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Backrooms Bounded

It remembers you, it sees you, and it follows you.

Автор: Multifruit1,6 тыс.19обновлён 16 авг. 2026 г.
ПриключенияПроклятыеГенерация мира

Описание

Backrooms Bounded

Backrooms Bounded is a psychological horror mod for Fabric 1.21.1, heavily inspired by the Backrooms by Kane Pixels (Kane Parsons).


Trailer


Features

Procedural Backrooms

Every hallway, room, and corridor is procedurally generated, creating an infinite maze:

  • Endless interconnected hallways
  • Multiple floor levels
  • Decaying and infected wallpaper
  • Flickering lights
  • Lockers
  • Bacterial growths spreading throughout the complex
  • Massive office rings spanning thousands of blocks
  • Randomly generated loot in barrels (works with other mods too)

Panic System

Spending time in darkness and isolation slowly raises your panic level. As panic increases, so do the psychological effects, making survival increasingly difficult.

  • Heartbeat sounds at high panic
  • Visual disturbances
  • Random panic effects at extreme levels
  • Panic affects how entities detect you

Survival Horror

  • Armor becomes less reliable over time
  • Resources must be scavenged from the environment
  • Stealth is often more valuable than speed
  • Sound matters
  • Every decision can attract unwanted entities
  • Hiding in lockers may work for some time
  • Sneaking on wool/carpet/moss makes you harder to detect

Organic Infection

Bacterial growths spread across walls, floors, and ceilings. These organisms slowly corrupt nearby blocks and seem connected to whatever lurks within the Backrooms.

  • Bacteria shrooms that detect noise
  • Bacteria vines that spread across surfaces
  • 3 strikes from shrooms alerts the bacterium

Soundscape

Backrooms Bounded includes a collection of ambient sounds and environmental audio.

Expect:

  • Distant ambient noises
  • Unsettling atmosphere
  • Dynamic panic effects
  • Entity audio cues

Headphones are highly recommended.


Entering the Backrooms

The methods of entering and escaping the Backrooms are intentionally left undisclosed to preserve discovery.

(Hint: Every entry and exit chance is configurable)


Entities

The Bacterium

A mysterious entity roams the Backrooms.

The longer you survive, the more dangerous it becomes.

⚠ Spoiler: Bacterium Behavior
  • Uses multiple methods to track players
  • Reacts to sound and environmental disturbances
  • Can stalk, observe, and ambush its targets
  • Adapts to player behavior
  • Learns new interactions over time
  • Becomes increasingly effective against common hiding strategies
  • Can be distracted by thrown projectiles
  • Checks lockers
  • Struggles to hear players sneaking on wool/carpet/moss

The Mimic

Not every figure wandering the Backrooms is what it appears to be.

Trust becomes a dangerous thing.

⚠ Spoiler: Mimic Information

The Mimic can disguise itself as a player. Depending on your behavior, it may act as a companion, observe from a distance, or become hostile.

  • Responds to player commands (sometimes)
  • Can follow, stay, pick up items, open containers (sometimes)
  • Becomes aggressive if provoked

Corpses

Four types of corrupted corpses roam different dimensions. Each has unique behaviors, detection methods, and interactions. Some remain dormant until disturbed. Others are always active.

⚠ Spoiler: Corpse Information

Villager Corpse:

  • Spawns in backrooms (outside of office rings)
  • 3-hit system to destroy dormant corpse
  • Relies on sound and smell
  • Screams to alert the bacterium
  • Can follow through 1-block spaces
  • Opens doors, gates, and trapdoors
  • Leather armor increases smell range
  • Wool/carpet/moss reduces hearing

Player Corpse:

  • Spawns when a player dies in the backrooms
  • Stores the player's entire inventory as a grave
  • Never despawns
  • 3-hit system to retrieve loot
  • Relies on hearing (better than villager corpse, but has shorter smelling range)
  • Breaks wooden doors, climbs ladders
  • Can crawl through 1-block spaces

Enderman Corpse:

  • Spawns in overworld, nether, and end
  • Always active
  • Aggro when hit or shot (no eye-based aggro)
  • Small chance to aggro when player kills villager corpse nearby
  • Water/rain immune
  • Cannot pick up blocks
  • Calm with Ender Pearl or Eye of Ender
  • Enraged by Spider Eye
  • Occasional custom sounds

Creeper Corpse:

  • Spawns rarely in overworld and backrooms
  • Always active
  • Triple explosion power
  • Can be charged by lightning
  • Spreads bacteria vines across crater
  • Blindness effect for 5 seconds to nearby players

Printer

Rarely found in office cubicles, these blocks can transform items.

⚠ Spoiler: Printer Mechanics
  • Accepts any item from your hand
  • Returns a random crafting result using that item
  • 30% chance to return the same item
  • 5% chance to jam (permanently consumes the item)
  • 5 uses per player, then 40-minute cooldown
  • Works with items from other mods
  • Glows when processing

Configuration

Backrooms Bounded is fully configurable through both the config file and in-game commands.

In-Game Commands

Works for all players, no cheats required:

/backroomsconfig show
/backroomsconfig set <setting> <value>
/backroomsconfig reset

Config File

Located at config/backroomsbounded.json

Configurable Options Include:

  • Bacterium speeds, damage, spawn rates
  • All entry/exit method chances
  • Corpse
  • Glitch block chances

Planned Features

Future updates are planned to expand the experience with:

  • New entities
  • New unique blocks
  • Additional Backrooms areas
  • Cameras and photography systems
  • Expanded environmental storytelling
  • New survival mechanics
  • More procedural structures

Галерея

Hiding A HouseUpper FloorDarkness

Последние версии

Все версии →
release

Backrooms Bounded 1.0.0-release

1.0.0-release
16 авг. 2026 г.995Minecraft: 1.21.1fabric
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Что нового
# First Official Release Version of Backrooms Bounded ## Added: ## Entities: ### Villager Corpse: - Spawns in backrooms dimension - Two spawn states: wall_idle and laying_idle - Has small chance of becoming alive if player hits it - 3 hits to destroy a corpse - Detects players by sounds and smell - Targets players, villagers, and pillagers - Screams when detecting players <details> <summary>Spoiler</summary> - 3 screams within 1 minute alerts nearby Bacterium - Can receive signals from bacteria shrooms - Can pass signals to nearby shrooms - Opens doors, fence gates, and trapdoors - Exits boats and minecarts </details> ### Player Corpse: - Spawns when player dies in backrooms dimension - Acts as a grave storing player's entire inventory - Never despawns until player picks up the loot from it - Same system as with villager corpse (abt hits and waking up) - Relies on sound and smell <details> <summary>Spoiler</summary> - Opens doors, fence gates, and trapdoors - Breaks wooden doors - Climbs ladders when not crawling - Crawls through 1-block spaces when needed </details> - Drops all player loot when destroyed or killed - Random backrooms loot if spawned without player death ### Enderman Corpse: - Spawns in overworld, nether, and end dimensions - Always alive (no dead state as villager/player corpses) - Passive mob - Aggro only when hit or shot at (no eye-based aggro) - Chance to aggro if player kills villager corpse nearby - Water/rain immune - Cannot pick up blocks - Despawns like regular enderman unless enraged <details> <summary>Spoiler</summary> - Right-click with Ender Pearl/Eye of Ender to calm - Right-click with Spider Eye to enrage (poisons players on hit) </details> - Occasional custom phrase sound - Configurable spawn rate and max per player ### Creeper Corpse: - Spawns rarely in overworld and backrooms dimension - Always active (no dead state, same as enderman) - Triple explosion power of a creeper - Can be charged - Spreads bacteria vines across crater after explosion - Blindness effect to players within 12 blocks - Configurable spawn rate ## Blocks: ### Printer: - Rarely spawns in office cubicles - Accepts any item from player's hand - Returns random crafting result using that item - 30% chance to return the same item - 5% chance to jam (consumes item permanently and cooldowns) - 5 uses per player before 40-minute cooldown - Glows when printing - Works with modded items from other mods - Printing sound during processing (at the moment it's way longer than actual printing, that will be fixed in the future updates) ## Changes: ### Loot in Barrels: Complete randomization of barrel contents Pulls from ALL registered items (vanilla and modded) Excludes technical items (command blocks, structure blocks, etc.) Player-placed barrels become chests (prevents infinite loot farming) ### Bacterium's Ai: <details> <summary>Spoiler</summary> - Initial spawn delay: 2 minutes (was 15 seconds) - Respawn delay: 1 minute (was 15 seconds) - Spawn distance: 8-12 chunks (was 5-9) - Random appearance cooldown: 45-90 seconds - Sneaking reduces random appearance by 70% - Sneaking on wool/carpet/moss reduces by 90% - Walking on wool/carpet/moss reduces hearing by 75% - Locker checking: checks once, then teleports 18-20 chunks away - 70% chance to break locker if learned, 30% to just leave - Projectile distraction (arrows, snowballs, tridents) - Projectile investigation only if player isn't loud/smelly - No cooldown after locker teleport </details> ## Config: ### Commands: ``` /backroomsconfig show ``` - Display current config values ``` /backroomsconfig set <setting> <value> ``` - Change config values ``` /backroomsconfig reset ``` - Reset all to defaults Works for all players (no cheats required) ## Methods of Entering/Exiting: ### Entering Backrooms: **New:** Suffocation rescue at 2 HP (auto-teleports to save player) ### Exiting Backrooms: Escapes to last known position in overworld/nether/end ### Glitch Block Breaking: **New:** Default: 0% chance (DISABLED) Players can enable it in config if they want glitch blocks from breaking blocks ### Configurable Options Added: entry_glitch_block_break_chance - Glitch block appears when breaking blocks glitch_enter_chance - Enter backrooms when touching glitch block exit_glitch_block_chance - Escape backrooms from glitch block entry_death_respawn_chance - Death respawn chance entry_damage_teleport_chance - Damage teleport chance entry_sleep_teleport_chance - Sleep teleport chance entry_portal_teleport_chance - Portal teleport chance villager_corpse_spawn_chance - Villager corpse spawn chance player_corpse_enabled - Whether player corpses spawn ## Known Issues: - Enderman Corpses sometimes walk without their legs moving - Barrels sometimes take longer to generate loot inside of them
beta

Backrooms Bounded 1.0.0-beta2

1.0.0-beta2
1 июл. 2026 г.493Minecraft: 1.21.1fabric
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# Backrooms Bounded Beta 1.0.2 ## Second beta of Backrooms Bounded. ### Changed: - Bacterium's AI was enhanced - Mimic's AI was enhanced - More loot variety in the barrels - Office rooms - Advancements are in progress ### Notes: This is one of early beta releases and may contain bugs, balancing issues, and unfinished features. Additional entities, areas, mechanics, and quality-of-life improvements are planned for future updates. Feedback and bug reports on Github or YT comments are greatly appreciated.
beta

Backrooms Bounded 1.0.0-beta1

1.0.0-beta1
19 июн. 2026 г.106Minecraft: 1.21.1fabric
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# Backrooms Bounded Beta 1.0.0 ## First public beta release of Backrooms Bounded. ### Added: - Infinite procedural Backrooms dimension - Custom Backrooms world generation - Multiple wallpaper variants and decay stages - Organic bacterial growths throughout the environment - Panic system with psychological effects - Armor decay mechanics - Custom ambient and horror soundscape - The Bacterium entity with adaptive hunting behavior - The Mimic entity - Lockers and other Backrooms structures - Methods of entering and escaping the Backrooms - Multiplayer support - Custom blocks and environmental details ### Notes: This is an early beta release and may contain bugs, balancing issues, and unfinished features. Additional entities, areas, mechanics, and quality-of-life improvements are planned for future updates. Feedback and bug reports are greatly appreciated.