Top similar games like Happy Door:

Descend the dangerous depths of Mindaro, a 1-6 player co-op action-horror game. Navigate caves, biomes, and industrial ruins while scavenging for survival and uncovering hidden secrets.

Put on your thermos bags and head outside with your friends. You will have to deliver food to the aliens and make sure that the last company on Earth does not close down.

A late-night snack turns into a nightmare. Starlight, Inc is an online co-op survival horror game set in a creepy ever-changing megastore. Explore, collect, build and survive with up to 8 friends in hope of finding a way out this dimension. Will you let hunger consume you before the monsters do?

An online co-op horror game where you and your crew hunt monsters inside a massive WALKER. Use your environment, items, or anything at your disposal to protect your WALKER.

A 4 player co-op horror where you answer distress calls and board spaceships in search of survivors.

A raccoon co-op horror extraction game. Infiltrate procedural ruins, loot everything and extract the relic. Mammon, the Greed Demon, is watching… Stay away from his curse!

A 1-4 player co-op Christmas horror game. You have 3 days to deliver the presents and save Christmas, or die trying.

Brutal Cube is a CO-OP multiplayer action game where you explore dangerous and diverse regions. Gather resources, fight enemies, and work with your team—or act selfishly and turn against them.

A magic-themed co-op horror game where you and up to 5 friends are minions summoned by a wizard to break into their rival's towers to cause mayhem. Try to fufill your vandalism target with an assortment of spells while avoiding magical beasts and monsters that protect the tower.

An online co-op horror experience for up to 4 players. Use your elastic arms to grab valuable loot for your captain. But be careful, danger lurks around every corner trying to take your booty!

A co-op or solo survival-horror scavenger game where you explore labyrinthine Backrooms levels, dodge stalking entities, haul scrap to hit corporate quotas, and invest your pay in upgrades to dive even deeper

In this 4-player online co-op horror game, you embark on an adventure by summoning a mysterious train. You must find and defuse bombs in an 8-carriage train. However, beware, there's a blind conductor and dangerous creatures chasing you. Race against time, find the bombs, and survive!

A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

🧙‍♂️🔥💀 Cooperative fantasy horror where you and your bros must deliver a wagon of magical artifacts to the enchanted kingdom. Repair the cart, fight monsters, gather loot, and SHOUT SPELL NAMES INTO YOUR MIC!

Play solo or online co-op with up to 4 players. Descend into monster-infested caves with your crew, gathering resources while evading terrifying creatures. Gear up between expeditions as you drill deeper into increasingly dangerous depths.

A co-op survival horror for 1–4 players — deliver cargo, stay alive, and trust no one for too long.

A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.

Wander haunted halls as an office temp and collect magical cards with supernatural abilities to fight demons and and explore the underworld in this horror, deckbuilding, roguelike game.

OopsFixers Company is a cooperative action game for up to 4 players where you work in a team to fix extreme situations that other companies avoid. Control unique characters. Collaborate with your teammates. Improve your team to be ready for the impossible.

An online co-op game where you and your friends play greedy gobblins invading human houses to steal and gobble loot. Climb, stretch, and manage your stamina to survive chaotic heists and feed your Gobblin King.

Nemiza's Verdict is a cooperative roguelite dungeon crawler where your soul takes over various monstrosities. Hunt down Nemiza and challenge their verdict in the twisted labyrinth of Lovence by evolving your monstrous abilities and remember skills from your past life.

A co-op horror game for up to 4 players where you explore abandoned facilities. Your mind can be plugged into random electric devices. Can you survive as a fridge? A vacuum cleaner? Scavenge valuable hardware and escape the terror.

They came; they died. Now it's your job to clean up their mess.

Explore new planets and civilizations. Turn in precious artifacts to the management company and get rich financially!

A co-op horror game about the Special Emergency Group, whose goal is to rescue valuable experimental objects and data, while exploring the laboratory and neutralizing threats.

Vault Protocol is a 1–6 player co-op horror game focused on extraction, communication, and chaos. Every run is different, every sound matters, and survival depends on your team.

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.

Witch girl got killed. is a first person fantasy horror action game inspired by Japanese anime. Become a witch girl in training and infiltrate the labyrinth that has appeared in town in order to destroy the structure’s brain.

Wander haunted halls as an office temp and collect magical cards with supernatural abilities to fight demons and and explore the underworld in this horror, deckbuilding, roguelike game.

Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.

In a future where rogue robots control orbital nuclear stations, you’re hired to reclaim energy cells. In this 1 - 4 player horror extraction game you need to complete contracts, evade deadly robots, buy tools to improve your odds, and coordinate with your team to escape alive.

Destroy quantum spheres that record human deaths and escape together in this co-op exploration extraction horror game. Each sphere you destroy alters the space and materializes the deceased's experiences. Hostile entities born from their emotions emerge. Escape, or push the investigation deeper.

A co-op sci-fi looting game where you and your animal crew raid derelict space wrecks, dodge traps, collect valuable junk, and survive with limited oxygen and questionable teamwork.

Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

Loot dungeons with your berserker viking crew in ancient America. Bring valuable treasure back from the depths, lose limbs in the process, build your ship, dream of moon.