Top similar games like Unknown Rules:

Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.

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.

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.

Trapped and separated across two connected houses, you and your friend must use voice chat to solve puzzles from different perspectives. But beware, a blind presence is listening to your conversations. Your voice is your only way out.

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.

FROM FEAR is a 1-4 player online co-op survival horror where you choose your fear. Collect resources, unlock new maps and tools, all while trying to stay alive.

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

“Restricted Footage” is a horror and survival game for up to 4 players. You are entering into an area, where reportedly paranormal stuff is happening. Your purpose here is to take a footage with your action cam and to solve the paranormal case.

Chained in the Backrooms is a 1-4 player co-op, mission-based horror game. Trapped in a blurry subconscious and chained together, toy bears must solve puzzles, complete challenging missions, and survive against creatures trying to destroy them.

Ghost Exile - is a cooperative horror from 1 to 4 players: when hunting for ghosts, you need to determine the type of ghost, carry out a ritual of exorcism and then the ghost can no longer harm anyone. Be careful! Hasty conclusions can lead you to a sad outcome.

You’re a toast in this co-op horror game. Your job is to investigate haunted kitchens, use ghost-hunting equipment to track down paranormal activity, exorcise possessed appliances, and save a fellow toast from getting sliced.

Unhuman Nightmare is a 4 player online co-op game where a team of thieves want to steal items from haunted places. What they don't know is that the places are full of traps set by ghosts. Chances are, they'll not escape alive...

Gather your courage and face the ghost danger.Clean the curses and hunt the ghost!

Cursed Night is a multiplayer horror game for 1-5 players. Use your magic abilities to defeat the devil, or become the devil and seek revenge. Find talismans, collect power, release spirits, or choose the dark side and kill everyone.

Beyond the veil in Harrow Gate: Ghost Dimension, a chilling survival horror experience where reality fractures and the dead do not rest. After a mysterious event opens a rift between the living world and a spectral realm, you awaken trapped in a decaying town consumed by darkness and haunted echoes

Everything is for Humanity is a story-driven, exploration and puzzle-solving based science fiction horror game which sets in a massive science facility in 2020. You will discover tons of things and find out about the blood-chilling truths with its first-person experience.

Psychoscopy is a 5 player co-op horror game that you try to gather evidences about paranormal activities in large areas. Make a team with your 4 friends, take your equipments and hunt down paranormal activities.

Have fun escaping with your friends through fearful mazes and solve puzzles, avoid traps and don't let darkness find you at every step.

Boo Men is a 1-4 player online co-op horror game. You and your crew of burglars are tasked with stealing from ghosts. Just remember to stay in the light because you never know what could be lurking in the dark...

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.

Noox is a medieval fantasy ghost investigation game. Find the correct ghost type based on the clues left behind, assemble the correct runes on your trap, and capture the spirits and expand your powers.

The Past Within is the new co-op experience from Rusty Lake! Play together with someone you deem trustworthy: one in The Past, the other in The Future. Observe and communicate what you see around you. Solve the puzzles and uncover Albert Vanderboom’s plan.

DEVOSE is a cooperative horror game for 1 to 4 players. Explore, find proofs and survive. Every corridor is a trap. Every noise can betray you. Coordinate or die alone.

In a post-apocalyptic world overrun by monsters due to an unknown virus, some people have managed to survive. During these times, an organization formed by elite members of society emerged, fighting against the monsters and aiming to restore the world to its original state.

Mirage is an immersive psychological horror game inspired by the Backrooms. Trapped after a failed tech experiment, you explore a distorted world where hallways repeat, walls lie, and reality crumbles. Survive, understand... or be lost forever.

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...

Escape the terror lurking in the darkness in this immersive co-op experience. Solve challenges and work as a team using your main tool: your voice. Beware of lurking monsters, which might be closer than you expect.

Once a mad scientist's lab, now an abandoned manor haunted by miscreations. Work as a 1-4 player team in this online co-op, psychological horror game and discover what lurks within. Find a cure before it's too late...

Join a co-op team of 4 friends in a first person shooter that sends Pan Galactic Postal Service letter carriers into the locked-down streets of the future! Fight mutated alien horrors as you and your fellow essential workers deliver baubles to hard-to-find destinations! Hey, at least it's a job!

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

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.

Demonsomnia is a CO-OP multiplayer bodycam horror game focused on the impact of nuclear reactions. Radiation has spread everywhere, so put on your gas mask. Your goal is to activate the nuclear reactor device and escape without being caught by mutants.

"ESCAPE FROM TOILETS" is a coop horror game 1 to 4 players in a session. Go through strange rooms, escape from toilets that want to kill you and other dangers in the form of challenges and puzzles. Realistic graphics, easy controls and creepy atmosphere will immerse you in the game.

FURRY BACKROOMS is a cooperative game for a group of 1-8 players that combines the best ideas from the BACKROOMS and FURRY universes. Single mode is also available. You have to survive and find a way out before the FURRY catches up with you. Updates and various interesting things await you...

Race against a relentless monster in this heart-pounding multiplayer horror. Play as one of four survivors trapped in an asylum, working together to solve puzzles and search for keys. You can't fight back - only escape. Will you outwit the monster and find freedom, or succumb to the darkness?

Pamali: The Vengeful Mother is a 1-4 players online co-op survival horror. Use each character’s unique strengths, strategize with your teammates, do everything you can to save the missing children and escape the abandoned orphanage. Bring your friends!