Guest 666 is one of the most formidable and terrifying entities you’ll encounter in Deadly Delivery, exclusively lurking in the Underground Forest (floors 18-30). This giant behemoth, brought to the game through a collaboration with Forsaken developers, deals massive damage and relentlessly pursues players who dare to enter its domain. Whether you’re a seasoned veteran or new to the endgame content, this comprehensive guide will equip you with every strategy, technique, and insider knowledge needed to not just survive but defeat Guest 666 consistently.
Quick Overview: Guest 666 at a Glance
| Aspect | Details |
| Location | Underground Forest (Floors 18-30) |
| Damage | Very High (can one-shot players) |
| Behavior | Charges when spotted, relentless pursuit |
| Size | Giant behemoth, too large for houses/elevator |
| Best Strategy | Run and hide, or kite with proper weapons |
| Loot Drop | Currently none |
| Spawn Trigger | Automatic in Underground Forest |
What is Guest 666 in Deadly Delivery?
Guest 666 represents the pinnacle challenge in Deadly Delivery’s current content, serving as the primary obstacle players face in the Underground Forest expansion. This entity isn’t just another monster, it’s a game-changer that requires completely different strategies compared to previous enemies you’ve encountered. What makes Guest 666 particularly terrifying is its combination of high damage output, relentless pursuit behavior, and the fact that it appears in the most challenging area of the game.
The Underground Forest itself presents a unique challenge compared to earlier levels. Unlike the cramped hallways of previous floors, this endgame zone features wide-open spaces that initially feel like a completely different game. While this openness gives you more room to maneuver, it also means Guest 666 has plenty of space to charge at you from unexpected angles. The developers designed this area specifically to test everything you’ve learned throughout your Deadly Delivery journey.
Why is Guest 666 So Dangerous?
Guest 666 earns its reputation as one of the deadliest entities in Deadly Delivery through several key characteristics that make it uniquely threatening:
Massive Damage Output: Each hit from Guest 666 can deal devastating damage, often capable of one-shotting players who aren’t at full health. This means even a single mistake can end your run, forcing you to start over from floor 1.
Relentless Pursuit: Unlike other entities that might give up or lose interest, Guest 666 maintains its pursuit once it has targeted you. It doesn’t get distracted easily and will continue chasing you across the entire Underground Forest map.
Large Hitbox and Speed: Despite its massive size, Guest 666 moves surprisingly quickly, making it difficult to outpace without proper stamina management or speed boosts. Its large size also means it can block pathways and corner players more easily than smaller entities.
Environmental Advantage: The Underground Forest’s open layout, while seemingly beneficial for evasion, actually works in Guest 666’s favor. There are fewer tight corners to duck into, and the entity can spot players from much greater distances than in previous levels.
How to Prepare for Guest 666 in June 2026?
Proper preparation is absolutely crucial when facing Guest 666. Unlike earlier monsters where you might be able to improvise, this entity requires specific gear, strategies, and team coordination to overcome successfully.
Essential Gear and Equipment
Baseball Bat (Required): The baseball bat is your primary weapon for dealing with Guest 666. It provides the perfect balance of range and damage output, allowing you to strike while maintaining some distance. If you have the Baseballer class unlocked, you’ll deal double damage with this weapon, making it even more effective.
Z-Ray Gun (Highly Recommended): This expensive but invaluable gear item costs $700 and serves multiple purposes in the Guest 666 fight. Not only can it be used offensively, but more importantly, you can use it to enlarge your baseball bat, significantly increasing its range and effectiveness during the kiting phase.
Flashlight: While not directly useful against Guest 666, having a flashlight is essential for navigating the Underground Forest and dealing with other entities like Bloomaw that might appear alongside Guest 666.
Stamina Items: Given the amount of running and kiting required, having items that boost stamina regeneration or provide temporary stamina boosts can be lifesavers. Bloxy Cola or similar items are highly recommended.
Revive Syringes: If playing in a team, having revive syringes available can prevent a total wipe if one teammate goes down during the encounter.
Class Selection for Guest 666
Baseballer Class (S-Tier for this fight): If you’ve unlocked the Baseballer class by dealing 1,000 damage with the baseball bat, this is arguably the best choice for facing Guest 666. The double bat damage and increased HP make a significant difference in prolonged encounters.
Sprinter Class (A-Tier): The Sprinter’s reduced stamina consumption and faster movement speed make it excellent for kiting Guest 666 around the map. The starting Bloxy Cola also provides a nice stamina boost right at the beginning.
Veteran Class (B-Tier): While the Veteran class excels in general combat, its benefits are less specifically tailored to the Guest 666 fight. However, the enhanced stamina regeneration and starting shotgun can still be useful in certain situations.
Porter Class (C-Tier): The Porter class, while excellent for farming, doesn’t provide significant advantages specifically for the Guest 666 encounter. Its movement penalty reduction doesn’t apply here since you won’t be carrying large items during the fight.
Team Composition and Coordination
Optimal Team Size: While it’s technically possible to face Guest 666 solo, having a team of 2-4 players significantly increases your chances of success. More players mean more distractions, more damage output, and better coverage of the map.
Role Distribution: In a team setting, consider assigning specific roles:
- Primary Kiter: The player with the best movement items and class who will lead Guest 666 around
- Damage Dealer: Players focusing on attacking when opportunities arise
- Support: Players ready to revive, provide items, or take over kiting if needed
Communication is Key: Unlike earlier parts of the game where you might get by with minimal communication, facing Guest 666 requires constant coordination. Use voice chat or the in-game ping system to communicate Guest 666’s position, your status, and when you need help.
How to Find Guest 666 in the Underground Forest?
Locating Guest 666 is the first step in preparing your encounter. Unlike some entities that have specific spawn locations, Guest 666 can appear anywhere in the Underground Forest, making it both unpredictable and dangerous.
Understanding Spawn Patterns
Automatic Spawning: Guest 666 automatically spawns in the Underground Forest once you reach floor 18. You don’t need to trigger any specific events or actions for it to appear.
Random Initial Position: When Guest 666 first appears, it can be anywhere on the Underground Forest map. This randomness means you always need to be prepared for an encounter, regardless of where you choose to start looting.
Movement Patterns: After spawning, Guest 666 will patrol the area relatively slowly until it spots a player. Once it has visual contact, it will begin its charge pursuit behavior.
Safe Approaches and Scouting
Start from the Elevator: Always begin your Underground Forest exploration from the elevator area. This gives you a quick escape route if Guest 666 appears nearby.
Use Houses as Observation Points: The various houses scattered throughout the Underground Forest serve as excellent observation points. You can use them to safely scan the area for Guest 666 before venturing out.
Listen for Audio Cues: Guest 666 produces distinct audio cues when moving and when it spots a player. Learning to recognize these sounds can give you precious seconds to prepare or escape.
Team Scouting: If playing with others, have one player act as a scout while others remain near the elevator or in a safe house. This allows you to locate Guest 666 without risking the entire team.
How to Beat Guest 666 Using the House Kiting Strategy in June 2026?
The house kiting strategy is currently the most reliable and effective method for defeating Guest 666. This approach leverages the entity’s pathfinding limitations and the protective nature of houses in the Underground Forest.
Step 1: Prepare Your Bat and Ray Gun Combo
Before engaging Guest 666, ensure you have both your baseball bat and Z-ray gun ready. The key to this strategy is using the ray gun to enlarge your bat, which significantly increases your attack range and makes the kiting process much more manageable.
Why the Bat? The baseball bat is ideal because it allows you to attack while maintaining some distance from Guest 666. Other weapons either don’t have enough range or require you to get too close for safety.
Ray Gun Enhancement: Use the Z-ray gun on your bat to enlarge it. This enhancement is crucial because it gives you the extra reach needed to strike Guest 666 while maintaining a safe distance during the kiting process. The enlarged bat can mean the difference between successfully landing hits and taking massive damage.
Step 2: Locate and Lure Guest 666
Once you’re properly equipped, begin searching the Underground Forest for Guest 666. When you spot it, don’t immediately attack. Instead, the goal is to lure it to a favorable location.
Luring Technique: Get Guest 666’s attention by entering its line of sight, then begin moving toward your chosen house location. The entity will begin its charge pursuit, following you across the map.
Path Selection: Choose a path that avoids other obstacles and entities. The last thing you want is to be dealing with Guest 666 while also avoiding other monsters or environmental hazards.
Stamina Management: During the luring phase, manage your stamina carefully. You’ll need plenty of stamina for the actual kiting process, so avoid sprinting unnecessarily during the approach.
Step 3: Choose the Right House
House selection is critical to the success of this strategy. Not all houses in the Underground Forest are equally suitable for kiting Guest 666.
Ideal House Characteristics:
- Single-story structure: These are easier to navigate and less likely to have confusing layouts
- Clear perimeter: Houses with unobstructed paths around them make kiting much smoother
- Distance from other houses: Choose a house that’s somewhat isolated to avoid other potential distractions or complications
- Multiple entry/exit points: Houses with doors or windows on multiple sides give you more options during the kiting process
Avoid These Houses:
- Houses with complex interiors or multiple floors
- Houses located near other structures that might block your path
- Houses in high-traffic areas where other players or entities might interfere
Step 4: Position Guest 666 Outside the House
This is one of the most crucial steps in the strategy. You need to position Guest 666 outside the house while you remain inside or use the house as a central point for your kiting pattern.
Proper Positioning: Lead Guest 666 to the exterior wall of the house, then quickly enter the house yourself. The goal is to have the entity outside while you’re inside or circling the building.
Why Outside Matters: Guest 666 is too large to enter houses or the elevator, making these structures safe zones. By keeping it outside while you use the house as a barrier, you create a situation where you can attack while remaining relatively safe.
Initial Setup: Take a moment to ensure Guest 666 is properly positioned outside before beginning the kiting process. This initial setup time can save you from mistakes later in the fight.
Step 5: Begin the Kiting Pattern
With Guest 666 positioned outside the house, you can begin the actual kiting process. This involves moving in a circular pattern around the house while maintaining your attack opportunities.
Circular Movement: Start moving around the house in a consistent circular pattern. The key is to maintain a rhythm where you’re always moving but Guest 666 remains on the opposite side of the house from you.
Timing Your Attacks: As you circle the house, look for moments when Guest 666 is within range of your enlarged bat. These attack windows are brief but crucial for whittling down its health.
Maintaining Distance: Always be aware of your distance from Guest 666. If you get too far ahead, it might break off pursuit. If you fall behind, you risk taking damage. The sweet spot is maintaining just enough distance to stay safe while remaining in pursuit range.
Step 6: Advanced Kiting Techniques
Once you’ve mastered the basic kiting pattern, you can incorporate more advanced techniques to improve your efficiency and safety.
Direction Changes: Occasionally change your kiting direction (clockwise to counterclockwise or vice versa). This can help reset Guest 666’s pathfinding and prevent it from adapting to your pattern.
Corner Cutting: When moving around corners of the house, take the tightest possible path. This maximizes the distance between you and Guest 666, giving you more time to attack and reposition.
Stamina Conservation: Learn to recognize when you can walk instead of sprint during the kiting process. Conserving stamina for emergency situations is crucial for long fights.
Environmental Awareness: Keep an eye on other potential threats while kiting. Other entities or players can disrupt your strategy if you’re not paying attention to the entire environment.
Step 7: Team Coordination for Kiting
If you’re playing with a team, coordination becomes even more important for successful kiting.
Primary Kiter Role: Designate one player as the primary kiter who will lead Guest 666 around the house. This player should have the best movement gear and stamina management.
Support Roles: Other team members can:
- Provide additional damage when opportunities arise
- Watch for and warn about other approaching threats
- Take over kiting if the primary kiter needs a break
- Provide healing or stamina items as needed
Communication Protocol: Establish clear communication about Guest 666’s position, when to attack, and when to focus on evasion. Miscommunication can quickly lead to team wipes.
Step 8: Understanding the Pathfinding Bug/Exploit
The house kiting strategy works so well partly due to a current pathfinding issue with Guest 666 when circling structures. While this might be addressed in future updates, understanding how it works can help you take advantage of it now.
Predictable Patterns: When you maintain a consistent circular pattern around a house, Guest 666’s pathfinding can cause it to get stuck in a predictable loop. This predictability makes it easier to time your attacks and maintain your kiting rhythm.
Exploiting the Behavior: By maintaining consistent movement and not making sudden changes in direction, you can encourage this predictable behavior, making the fight significantly easier than it would be otherwise.
Future Considerations: Be aware that this behavior might be considered a bug and could be fixed in future updates. Always be prepared to adapt your strategies if the developers address this issue.
Alternative Strategies for Defeating Guest 666
While the house kiting strategy is the most reliable, there are alternative approaches that might work better depending on your situation, gear, or team composition.
The Tele hit-and-run Strategy
This strategy focuses on using the Underground Forest’s teleporters and your movement speed to make quick attacks and then escape before Guest 666 can retaliate.
How It Works:
- Locate Guest 666 and a nearby teleporter
- Quick attack with your strongest weapon
- Immediately use the teleporter to escape to a different location
- Repeat the process, gradually wearing down Guest 666’s health
Pros:
- Very safe if executed correctly
- Doesn’t require specific house locations
- Can be done solo effectively
Cons:
- Very time-consuming
- Requires good knowledge of teleporter locations
- Less efficient than kiting for damage output
The Team Distraction Method
This strategy relies on having multiple team members to distract Guest 666 while one player focuses on dealing damage.
How It Works:
- Team spreads out around Guest 666
- Players take turns getting its attention and leading it away
- While Guest 666 is distracted, other players attack from safety
- Rotate roles to manage stamina and health
Pros:
- High damage output with coordinated teams
- Less reliant on specific environmental features
- Can be faster than solo strategies
Cons:
- Requires excellent team coordination
- Higher risk of team wipes if coordination fails
- Not viable for solo players
The Safe Room Baiting Strategy
This method uses the elevator and other safe rooms as the central point for baiting Guest 666 into attackable positions.
How It Works:
- Position yourself near the elevator or another safe room
- Lure Guest 666 close to the safe room
- Quick attack from inside the safe area
- Duck back inside before Guest 666 can retaliate
- Repeat until defeated
Pros:
- Extremely safe when executed properly
- Doesn’t require complex movement patterns
- Good for players with slower reaction times
Cons:
- Very slow process
- Requires patience and precision timing
- Limited to areas with safe rooms
Common Mistakes to Avoid When Fighting Guest 666
Even experienced players can fall into common traps when facing Guest 666. Being aware of these mistakes can help you avoid them and improve your success rate.
Mistake 1: Fighting in Open Areas
One of the most common mistakes is trying to fight Guest 666 in the open areas of the Underground Forest without using environmental advantages.
Why It’s a Problem: Guest 666 excels in open areas where it can charge directly at players without obstacles. Without houses or other structures to use as barriers, you’re at a significant disadvantage.
How to Avoid: Always fight near houses or other structures that you can use for cover and kiting. If you find yourself in an open area when Guest 666 appears, immediately move toward the nearest house or safe zone.
Mistake 2: Ignoring Stamina Management
Many players focus so much on dealing damage that they neglect their stamina, leading to situations where they can’t escape when needed.
Why It’s a Problem: Running out of stamina at the wrong moment can be fatal against Guest 666. Without the ability to sprint, you can’t maintain the kiting pattern or escape dangerous situations.
How to Avoid: Monitor your stamina constantly and conserve it when possible. Walk instead of sprint when Guest 666 is at a safe distance, and keep stamina-boosting items ready for emergencies.
Mistake 3: Poor Team Coordination
In team settings, poor communication and coordination can quickly lead to disaster when facing Guest 666.
Why It’s a Problem: Guest 666 can quickly switch targets, and if team members aren’t coordinating their movements and attacks, they can end up blocking each other’s escape routes or drawing the entity toward vulnerable teammates.
How to Avoid: Establish clear roles and communication protocols before engaging Guest 666. Use voice chat or in-game pings to keep everyone informed of the entity’s position and team intentions.
Mistake 4: Underestimating Guest 666’s Speed and Range
Some players make the mistake of underestimating how quickly Guest 666 can close distances or how far its attacks can reach.
Why It’s a Problem: Guest 666 moves faster than many players expect, and its large size means its attack range is greater than it appears. Underestimating these factors can lead to taking unexpected damage.
How to Avoid: Always assume Guest 666 is faster and has longer range than you think. Give yourself extra space and time when positioning for attacks or escapes.
Mistake 5: Not Having an Escape Plan
Entering a fight with Guest 666 without a clear escape plan is a recipe for disaster.
Why It’s a Problem: Even the best strategies can go wrong, and without a backup plan, you can find yourself trapped with no way out.
How to Avoid: Always know where the nearest safe zone, teleporter, or escape route is before engaging Guest 666. Have items ready that can help you escape in emergencies.
Pro Strategies and Advanced Techniques
For players looking to master Guest 666 encounters, these advanced techniques can provide additional advantages and improve your efficiency.
Advanced Kiting Patterns
Figure-8 Pattern: Instead of simple circles, try moving in a figure-8 pattern around multiple houses or structures. This can help prevent Guest 666 from adapting to your movement pattern and makes you less predictable.
Zigzag Evasion: When moving between houses or safe zones, use zigzag patterns instead of straight lines. This can help you avoid Guest 666’s direct charge attacks and give you more time to reach safety.
Stamina Burst Management: Learn to use short stamina bursts for quick repositioning rather than continuous sprinting. This preserves your overall stamina while still allowing for rapid movement when needed.
Weapon and Gear Optimization
Bat Enhancement Timing: Experiment with the timing of when you use the Z-ray gun to enlarge your bat. Some players find it more effective to enhance the bat just before engaging, while others prefer to do it during the fight for tactical advantages.
Item Combos: Discover combinations of items that work well together. For example, using stamina-boosting items in combination with speed-enhancing gear can create windows of opportunity for extra damage or safer positioning.
Environmental Weapon Use: Learn to use environmental features as improvised weapons or barriers. While not always effective against Guest 666, creative use of the environment can sometimes provide unexpected advantages.
Psychological Tactics
Bait and Switch: Use predictable patterns to make Guest 666 expect certain movements, then suddenly change your approach to create attack opportunities.
Aggro Management: In team settings, learn to control who Guest 666 targets and when. This can involve coordinated positioning and timing to direct the entity toward favorable situations.
Patience and Timing: Sometimes the best strategy is to wait for the perfect moment rather than forcing attacks. Learning to recognize these optimal moments comes with experience and observation.
Platform-Specific Information and Considerations
Different platforms and devices can affect how you approach Guest 666 encounters. Here are some platform-specific considerations.
PC/Mouse and Keyboard
Advantages:
- Precise movement control
- Quick camera adjustments
- Easier to maintain complex kiting patterns
- Better for communication with team members
Tips:
- Use mouse sensitivity settings that allow for quick camera turns
- Bind frequently used items to easily accessible keys
- Take advantage of voice chat for better team coordination
Mobile/Touch Controls
Challenges:
- Less precise movement control
- Camera control can be more difficult
- Complex kiting patterns are harder to maintain
- Communication can be more challenging
Tips:
- Use auto-aim features if available
- Simplify your movement patterns to accommodate touch controls
- Consider playing with a controller if possible for better precision
- Use in-game ping systems extensively for communication
Console/Controller
Advantages:
- Consistent movement control
- Good for maintaining steady kiting patterns
- Comfortable for extended play sessions
Challenges:
- Less precise than mouse and keyboard
- Camera control can be slower
- Communication might require additional equipment
Tips:
- Experiment with controller sensitivity settings
- Use controller presets optimized for movement games
- Consider using a keyboard for chat communication if needed
FAQ About Guest 666 in Deadly Delivery
What floors does Guest 666 appear on?
Guest 666 appears exclusively in the Underground Forest, which encompasses floors 18-30 in Deadly Delivery. You won’t encounter this entity on any of the earlier floors, making it a true endgame challenge.
Can Guest 666 enter houses or elevators?
No, Guest 666 is too large to enter houses or elevators. This is a key mechanic that players can use to their advantage, as these structures serve as safe zones where you can recover, plan your next move, or attack from relative safety.
What’s the best weapon to use against Guest 666?
The baseball bat, especially when enlarged with the Z-ray gun, is currently the most effective weapon against Guest 666. It provides the best balance of range and damage output for the kiting strategy. The Baseballer class, which deals double damage with bats, is particularly effective.
Does Guest 666 drop any loot or rewards?
Currently, Guest 666 does not drop any loot or rewards when defeated. The primary reward for overcoming this challenge is the satisfaction of victory and the ability to continue exploring the Underground Forest safely.
Can you defeat Guest 666 solo, or do you need a team?
While it’s technically possible to defeat Guest 666 solo, having a team significantly increases your chances of success. Team play allows for better coordination, shared damage output, and the ability to revive fallen teammates. However, skilled solo players can still succeed using the house kiting strategy.
What’s the Underground Forest like compared to earlier floors?
The Underground Forest is dramatically different from earlier floors in Deadly Delivery. Instead of the cramped hallways you’re used to, it features wide-open spaces that feel like a completely different game. This openness requires different strategies and makes the teleporter an essential tool for navigation.
How much health does Guest 666 have?
Guest 666 has a substantial amount of health, requiring many hits to defeat. The exact number isn’t officially specified, but players report that it takes significantly longer to defeat compared to other entities in the game.
Are there any codes or items that make fighting Guest 666 easier?
While there aren’t any specific codes that directly help with Guest 666, using Deadly Delivery codes to get free cash, weapons, and items can help you prepare better by allowing you to purchase essential gear like the Z-ray gun and stamina-boosting items.
Will the house kiting strategy always work?
The house kiting strategy currently works well, partly due to pathfinding behaviors that might be considered bugs. There’s always a possibility that future updates could address these behaviors, so it’s important to stay adaptable and be prepared to learn new strategies as the game evolves.
What should I do if I get separated from my team during a Guest 666 fight?
If you get separated from your team, your priority should be to reach the nearest safe zone (house or elevator) and then attempt to regroup. Use in-game communication tools to let your team know your position and status. If you can’t regroup safely, focus on surviving until the situation changes.
Conclusion
Mastering Guest 666 in Deadly Delivery represents one of the ultimate challenges in the game’s current content. Through this comprehensive guide, you’ve learned the most effective strategies, essential preparation steps, and advanced techniques needed to not just survive but consistently defeat this formidable entity.
Remember that success against Guest 666 comes down to three key elements: proper preparation, flawless execution of the house kiting strategy, and excellent team coordination when playing with others. The Underground Forest presents a unique environment that requires different approaches compared to earlier floors, and Guest 666 embodies this challenge perfectly.
As you continue to practice and refine your techniques, you’ll find that what once seemed impossible becomes manageable, and eventually, routine. The satisfaction of overcoming Guest 666 and conquering the Underground Forest is well worth the effort and preparation required.
Keep in mind that game updates may bring changes to Guest 666’s behavior or new strategies may emerge. Stay connected with the Deadly Delivery community, watch for patch notes, and be ready to adapt your approach as the game evolves. The most successful players are those who can learn, adapt, and master new challenges as they arise.
Now that you’re equipped with this comprehensive knowledge, it’s time to enter the Underground Forest and face Guest 666 with confidence. Good luck, and may your deliveries be deadly successful!
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