Top similar games like Lost In The Backrooms: Day 100:

Damned is a randomized online horror game for up to 5 players (4 survivors and 1 monster). You’ll be able to play as one of four people trapped in different haunted places (hotels, hospitals, etc).

When you die, you don't leave the game. You become one of the deadliest things in it. A co-op horror for 4 players — return as a spirit, help your friends, or haunt them until they break.

Glitchery is a cooperative multiplayer horror game where players explore an unstable, glitching reality filled with deadly entities. Work together, collect valuable artifacts, and escape before the world turns against you!

A 1-4 player co-op horror experience. Navigate hyper-realistic Backrooms levels and liminal spaces, survive unique entities, and uncover the dark mystery behind those levels. Extreme visual fidelity meets psychological dread.

A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

CoopRooms is a co-op survival horror game for up to 5 players, set in the endless Backrooms. Take photos and videos while you progress - and maybe survive. Just don’t scream... the Entities are listening.

Ghosts prey on the living inside the haunted mansion of a long dead electricity tycoon. Dead Realm is a creepy, multiplayer action game with beautiful, immersive environments. You can play as either a Ghost or a Human character and work with your friends to run, hide, survive… or die.

You and your friends have found a camera with a footage in it. For some reason you can't rewind the video, and as soon as you try winding it forward you all find yourself in the Backrooms. Together figure out whats in the footage and try to ESCAPE AS FAST AS POSSIBLE!

OverNight is a multiplayer co-op Ghost Hunting horror with multiple Ghosts per session. Explore some of the most haunted locations with your friends, using a variety of paranormal equipment, engage in rituals, and attempt haunted communications to connect with the other side.

Co-op first-person horror for 1–4 players. You and your friends are trapped in endless liminal backrooms where nothing makes sense. Explore, find keys and almond water, and work together to evade unstoppable monsters and escape.

Coco is a survival horror game where you must escape an abandoned hospital haunted by the urban legend Coco. Make haste, you only have five days to explore and escape before Coco finds you...

A new, immersive Backrooms game featuring many entities and many levels.

Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

Chains of Reality is a survival horror game focused on a story-driven single-player narrative with optional co-op, where you traverse a multitude of liminal environments and alternate dimensions in search of fulfilling your end of a deal, a deal made with someone you never should have trusted.

FOREWARNED is a 1-4 player co-op survival horror. Delve deep into ancient Egyptian ruins with your team of fellow archaeologists. Investigate phenomena, collect treasure, discover lore, survive danger, and banish the evil that lurks within.

Cursed Despair offers a chilling experience where you and your friends will face a mysterious monster, plunging into deep despair. Gather the necessary items to survive, perform the ritual, and stand firm amidst the darkness.

BLACK SITE is a 1-4 player co-op horror game. Explore the levels with your partner to gather info about some government experiments, while trying to communicate with your partner without being too loud. Free monthly content updates with new levels.

Zort is an action, adventure, and horror game that can be played with up to 4 people. Explore maps with your friends and have fun while escaping from various creatures. Experience a realistic horror experience with in-game voice chat with your friends!

7Years offers an open-world horror experience with multiple game modes, including single player, multiplayer coop and multiplayer PvP. And, with randomized spawns of unique enemies, mini-games, items, portals, puzzles, achievements, player weapons, and a feline protector, each round is different. 

Evil Inside is a first-person psychological horror game. After the death of his mother and the arrest of his father for it, Mark decides to contact her using the Spiritual board. But it fades away, and here is when all begins... Mark will face his greatest fears to discover the truth.

The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.

Tower Inc. is a survival horror of shifting floors, monsters, and betrayal. Collect quotas as fuel to keep the elevator running — without them, you won’t survive the climb. Work with your team… or leave them behind.

Dive into the mysteries of the Backrooms with a solo-developed survival game. Explore eerie hallways, uncover secrets alone or in multiplayer (up to 6 players), and take on unique challenges.

Save Elizy - is a cooperative survival horror game for 1-4 players. Your path is blocked by demons who will leave you without limbs. Run and hide, save Eliza, but remember - don't let yourself be taken to Hell.

BackRooms X is a game that combines all quality backrooms games into one. The game features many levels where you will have to avoid strange creatures and solve puzzles. The gameplay is full of exploration and survival elements, where every detail matters.

Backrooms #999999999 is a singleplayer/4 player co-op horror exploration game. Unlock the puzzles, survive the entities, escape the deadly geometry and try to reach the final level in one piece. Good luck, wanderer!

A co-op horror where your voice can get you killed, monsters can break into your hiding spots, and captured players must be rescued before it’s too late.

In Silence is a multiplayer horror game. One player takes on the role of the monster who has hypersensitive hearing abilities and is almost completely blind. The other players(2-6) play as survivors, trying to escape or hunting the monster.

Escape together or die alone. A relentless creature is hunting you in this intense co-op bodycam horror experience. Communicate. Stay quiet. Survive. Every move matters. Every sound could be your last. Made by one developer.

This horror game inspired by Chinese folklore offers an enthralling journey through the depths of the Underworld. As you delve deeper, you'll unravel hidden secrets veiled in the darkness.

A 1–6 player immersive psychological horror experience. Venture through multiple handcrafted liminal Backrooms levels, solve puzzles, explore and survive.

FRIGHTENED is a cooperative horror and survival game that can be played with 1-4 players. Your goal is to destroy the evil with your team and leave. Collect items in the area with your team, find the demon's weak spot and destroy it! But don't you dare get caught.

Red Core Division is a co-op survival horror game for 1–4 players. Enter a classified containment facility, where something has gone horribly wrong. Your mission: find evidence of paranormal activity, complete high-risk objectives, and escape alive. But, something is down there—something that hunts.

A 1–4 player cooperative horror game set in an abandoned hospital in Japan. Work together with your friends, collect boxes containing organs, and escape from the hospital where something lurks!

DEVOUR is a co-op horror survival game for 1-4 players. Stop possessed cultists before they drag you to hell. Run. Scream. Hide. Just don't get caught.

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.