Games like Relay Protocol

Trapped Together is a co-op puzzle game about two friends on the brink of financial ruin who accept a mysterious offer: participate in the Neural Link Interface Experiment. Promising a “perfect body” and a safe test environment, the experiment quickly reveals its true nature. The participants are forced in robotic bodies and send through a series of extreme, high-stakes puzzle trials designed to … If you enjoyed this game, see our list of games similar to Trapped Together.

Puzzles with PhysicsEach solution will test both your brain and finesse skills. 30 LevelsExplore The Tower on your levels, solving theirs puzzles. 9 different types of challenge mechanicsYour abilities will be tested on several ways, think before acting. If you enjoyed this game, see our list of games similar to IINTWO.

74%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

74% User Score Based on 117 reviews

NeuraGun is a first-person science fiction puzzle game. The player will have to go through a maze of mysteries that will lead him out of the tangled scientific complex. If you enjoyed this game, see our list of games similar to NeuraGun.

55%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:gameplay, graphics

91% User Score Based on 11 reviews

JOIN US ON DISCORD! About the Game Get ready to enter a network of futuristic puzzles where every room challenges your intellect. In Cube Mind, every element in the environment is more than just decoration — it’s a strategic tool you must learn to master. Activators Trigger mechanisms, open doors, and reshape the level by placing cubes with precision. These smart switches react to your actio… If you enjoyed this game, see our list of games similar to Cube Mind.

90%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story

94% User Score Based on 47 reviews

Split Fiction meets Portal! Bytebond is an electrifying online & couch co-op puzzle game that challenges you to regain control over an infected CPU. Dive into the heart of a PC with your friend and become the ultimate Antivirus Special Forces duo. Bytebond Deluxe Edition contains the base game and the Makeover Kit, which unlocks a cache of cosmetic upgrades for elite Antivirus units. This allows… If you enjoyed this game, see our list of games similar to Bytebond.

86%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story

86% User Score Based on 88 reviews

Eye in the Sky is an asymmetrical local co-op escape room where a VR player and a Computer player solve puzzles from different perspectives. The goal is to share information from each perspective and overcome the obstacles on a journey to the center of a post-apocalyptic robot planet. If you enjoyed this game, see our list of games similar to Eye in the Sky.

99%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

99% User Score Based on 267 reviews

Chromatic Conundrum is a first person puzzle game where you manipulate light. Combine different colors and form shadows to illuminate your way through an enigmatic world. Bonus Features Visual hints integrated into each level to nudge you in the right direction if you get stuck. Colorblind mode to allow you to more easily distinguish similar looking colors. Steam achievements! NOTE: Chroma… If you enjoyed this game, see our list of games similar to Chromatic Conundrum.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:music, story

85% User Score Based on 101 reviews

Parcel is a brain-twisting puzzle game where unique character abilities are used in unison to solve interlocking laser conundrums. Switch between members of your colorful team of postpeople and make your way through over 120 futuristic mind-benders! If you enjoyed this game, see our list of games similar to Parcel.

83%Game Brain Score

Most mentioned positive aspects:story, humor

Most mentioned negative aspects:stability, optimization

85% User Score Based on 431 reviews

Critic Score 80%Based on 5 reviews

A puzzle game you can play with a friend who says "I don't play games" If you enjoyed this game, see our list of games similar to Death Squared.

85%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, stability

92% User Score Based on 3,841 reviews

Critic Score 73%Based on 6 reviews

Buy Operation: Tango on PS4. Team up to bring a hi-tech global menace to its knees and save the world in this cooperative spy adventure. If you enjoyed this game, see our list of games similar to Operation:Tango.

100%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, replayability

100% User Score Based on 481 reviews

Master time in this story-rich time-bending puzzle game. You travel back in time to be in two places at once, to solve puzzles impossible to complete alone. Your success hinges on your ability to collaborate with yourself. Can you learn to manipulate time to save humanity? If you enjoyed this game, see our list of games similar to Chronigma.

98%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, grinding

98% User Score Based on 570 reviews

QUANTUM POWERS Amidst a heist gone wrong, Mittens — the world's greatest (and most literal) cat burglar — finds herself caught in a quantum experiment, and gains incredible powers. With the help of her friends and some new quantum tricks up her sleeve, Mittens must puzzle her way through the secretive research facility, uncover the truth, and make it home before breakfast. FUN PUZZLES The game is … If you enjoyed this game, see our list of games similar to Schrodinger's Cat Burglar.

I AI is a VR-only multiplayer puzzle game designed for two players. Set in a fragmented sci-fi world, the game focuses on communication, coordination, puzzle solving, and narrative-driven challenges. You and your partner must work together—often in unusual situations—to uncover a mystery rooted in time, memory, and identity. Play as one of two androids learning to think, feel, and communicate lik… If you enjoyed this game, see our list of games similar to IAI.

95%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

95% User Score Based on 7,032 reviews

Species: Unknown is a first-person survival horror game, playable in co-op with up to 4 players (private or public servers) or solo. You play as a mercenary sent aboard an abandoned spaceship. Your job? Execute high-risk contracts, make it out alive, and claim your reward. But keep in mind that you’re not alone. Something is hunting you… Form a squad of up to 4 players to take on different contrac… If you enjoyed this game, see our list of games similar to Species: Unknown.

89%Game Brain Score

Most mentioned positive aspects:gameplay, atmosphere

Most mentioned negative aspects:stability, story

89% User Score Based on 361 reviews

DEATHWATCHERS is a 4-player, online co-op, 'spot the difference' style horror game and the sequel to DEATHWATCH. Using various tools you must find and log a wide variety of different events all while trying your best to not aggravate whatever dangerous entities that may reside within. Once you've figured out the ingredients needed to perform the banishing ritual, build your ritual and try to banis… If you enjoyed this game, see our list of games similar to DeathWatchers.

87%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:gameplay, grinding

87% User Score Based on 114 reviews

VR Giants is a local multiplayer coop VR game that makes use of one player’s body to extend the level for the other player to explore. One player is huge (Goliath) and his avatar is controlled with a VR set. David is the tiny character which is controlled with a gamepad. Goliath must use his body as a bridge for David to cross abysses or reach higher platforms. David is tiny and is highly vulnerab… If you enjoyed this game, see our list of games similar to VR Giants.

96%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, character development

96% User Score Based on 1,678 reviews

Cogmind is a sci-fi roguelike epic in which you play a robot building yourself from components found or salvaged from other robots. Explore a living, breathing world through turn-based tactical combat, or sneak, hack, and fly your way to victory. If you enjoyed this game, see our list of games similar to Cogmind.

82%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, replayability

93% User Score Based on 90 reviews

Critic Score 68%Based on 8 reviews

Meet Lumote, the squishiest bioluminescent creature, in this beautiful 3D puzzle platformer. Take control of the world’s inhabitants on a quest into the Great Depths to seize control from the Mastermote. If you enjoyed this game, see our list of games similar to Lumote: The Mastermote Chronicles.

SYNC TOGETHER is a fast-paced parkour game where one or two players control a jet-powered flying vehicle together and try to keep it balanced. Completing the course is the goal, but the real challenge is finishing it in the shortest time with minimal mistakes. The game emphasizes coordination and precise movement alongside quick reflexes. The game features around 30 different obstacles and trap… If you enjoyed this game, see our list of games similar to Sync Together.

66%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, stability

66% User Score Based on 460 reviews

The Gold River Project throws you and your friends on an epic camping survival adventure! Try to escape a grueling experiment across one of the largest private nature reserves in the Pacific Northwest. You are being watched, studied and manipulated at every turn. Solve the mysteries within and try to survive another day. CAMP SOLO OR WITH FRIENDSWelcome to Gold River! A remote camping adventure yo… If you enjoyed this game, see our list of games similar to The Gold River Project.

72%Game Brain Score

Most mentioned positive aspects:gameplay, optimization

Most mentioned negative aspects:story, atmosphere

96% User Score Based on 26 reviews

NAMAKORIUM is a chaotic, cooperative multiplayer RTS for up to four players.Command the "sea cleaners"—Namakos (sea cucumbers) left behind by humanity—and clean up the polluted oceans! Can you reclaim the beautiful sea?It’s all up to your planning skills, your friends, and your trusty sea cucumbers.Get ready for a frantic, action-packed ocean cleanup operation! Organize Your Namako Operation Comma… If you enjoyed this game, see our list of games similar to NAMAKORIUM.

90%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, stability

90% User Score Based on 167 reviews

Phantom Squad drops you into the chaos of top-down tactical combat built for co-op. Squad up with friends in 1–4 player missions where communication, coordination, and smart planning are the difference between clean execution and total wipeout. Plan Your StrikeUse voice chat and in-game tools to coordinate your approach. Move fast and adapt as things change; the enemy won’t hesitate. Intens… If you enjoyed this game, see our list of games similar to Phantom Squad.

93%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:graphics, grinding

93% User Score Based on 201 reviews

A Galaxy of LootVenture deep into the Astroloot Sector, a vast and enigmatic sci-fi expanse filled with dark secrets, lost treasures and relentless foes. Every step forward uncovers new dangers and greater rewards. Obliterate anything in your path, level up, and claim every piece of loot you can carry. All in a cozy, stress-free walking simulator infused with deep ARPG mechanics. Infinite Build… If you enjoyed this game, see our list of games similar to Astroloot.

99%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story

99% User Score Based on 122 reviews

Brave Escape Demo Grab a friend to enjoy this demo of Brave Escape. Experience all 30 levels of the first world for free. The demo showcases the core co-op mechanics, giving you a preview of the full adventure. Brave Escape is a challenging 2-player co-op platformer where teamwork is essential to navigate through hazard-filled levels. Play as Colin and his robot companion, Floyd, on a bold quest… If you enjoyed this game, see our list of games similar to Brave Escape.

90%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, optimization

90% User Score Based on 140 reviews

Welcome to Together in Between, a unique co-op puzzle experience that challenges the boundaries of perception. Immerse yourself in a world of simplicity and intrigue, where the only colors are black and white. In this minimalist realm, players can't see each other, relying solely on their ability to communicate through sound. Navigate through intricately designed puzzles, working together to overc… If you enjoyed this game, see our list of games similar to Together in Between.

97%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

96% User Score Based on 14,670 reviews

Critic Score 100%Based on 2 reviews

Escape Simulator is a next-gen escape room experience: pick up and examine everything, move furniture, smash pots and melt locks! Play solo or with a friend to solve cryptic puzzles and riddles. If you enjoyed this game, see our list of games similar to Escape Simulator.

80%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

85% User Score Based on 206 reviews

Critic Score 50%Based on 1 reviews

As an inmate of a government-controlled Correctional Facility in the year 2275, you have the right to prove yourself worthy of being part of Society again. Show your skills in logical thinking by solving about 60 puzzles of varying size, type and difficulty in this first-Person puzzle game, and redeem your freedom! If you enjoyed this game, see our list of games similar to ReThink.

85%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding

85% User Score Based on 183 reviews

Your hero is Andy Freeman, a technical engineer of the Zeus-M700 spacecraft, sent on an expedition to the satellite of Jupiter to colonize it. However, what is conceived does not always go according to plan… If you enjoyed this game, see our list of games similar to SPACE ACCIDENT.

86%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

91% User Score Based on 45 reviews

Linebound is free-to-keep for the first month post launch! Grab it while you can! One player draws; the other navigates. Together, you reach each exit. Linebound is a local, asymmetric, co-operative puzzle platform game for two players. One of you is the Artist, drawing platforms directly into the pages of a living sketchbook in real time. The other player is Sketch: a hand-drawn character who i… If you enjoyed this game, see our list of games similar to Linebound.

Chamber One is a story-driven 3D puzzle platformer. You wake up in a sterile elevator with no memories. As part of the Rebuild Test Program, you progress through test chambers to uncover the truth about the system and yourself. If you enjoyed this game, see our list of games similar to Chamber One.

Start the Portal Adventure!With your friend or alone, you need to reach the main portal to escape this cursed planet. Can you overcome obstacles using interconnected portals? Play with the friend you want to have fun withFun, fun, fun. Invite the friend you want to have a great time with and embark on a fun adventure! Physics-BasedUse your physics knowledge to overcome obstacles in thi… If you enjoyed this game, see our list of games similar to Portal Together.

90%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

90% User Score Based on 8,667 reviews

VEIN is a post-apocalyptic survival multiplayer sandbox game. Gather supplies to survive, explore abandoned buildings, defend your home, and rebuild society, whether alone or with friends. Game is currently in around the clock development and will include bugs and potential room for improvement If you enjoyed this game, see our list of games similar to VEIN.

90%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:stability, grinding

93% User Score Based on 2,042 reviews

Critic Score 85%Based on 5 reviews

Sequel to the best-selling escape room game, brings a fresh take on first-person puzzles with a variety of new rooms to explore solo or with friends. Solve intricate puzzles, uncover hidden secrets, or craft your own escape rooms with Room Editor 2.0. If you enjoyed this game, see our list of games similar to Escape Simulator 2.

95%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:gameplay, story

95% User Score Based on 93 reviews

In a world forgotten by time, an ancient cave lies hidden atop a mystical mountain, waiting to be explored. Two adventurers, bound by destiny, embark on a journey into its depths, uncovering secrets lost to history. Inside, they encounter bizarre plants, mysterious creatures, and arcane forces that challenge both their wits and teamwork. The deeper they venture, the more they realize that the cave… If you enjoyed this game, see our list of games similar to Together in Forgotten Lands: Chapter One.

Solve portal-based puzzles using platforming and various other mechanics! Features include: Portals Improved cutscenes Updated graphics Updated level designs [REDACTED] This is a remake of the old Perspective Part 1 game from Stardom Game Studios. If you enjoyed this game, see our list of games similar to Perspective Remastered.

83%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, optimization

83% User Score Based on 755 reviews

Luminora, a mysterious island brimming with ancient secrets. The ancient civilization that once ruled here developed the arcane of extracting the life force of beings, which brought great prosperity to the island. However, as is often the case with eternal ambitions, their quest for divine power led them to a curse that enveloped the island in darkness. Centuries later, a wanderer caught in the ma… If you enjoyed this game, see our list of games similar to IfSunSets.

52%Game Brain Score

Most mentioned positive aspects:graphics

Most mentioned negative aspects:gameplay, story

73% User Score Based on 22 reviews

Spark & Kling is a stylized couch co-op puzzle platformer for all ages, you and your friend play as: - Spark, the electric bug, who can possess different electronics, she also carries baby sparklings to shoot at generators and magnets! - Kling, the metal gel blob, who shoots the metal gel to put weight on objects in order to make them heavy! Cooperation is key, you will need to wo… If you enjoyed this game, see our list of games similar to Spark & Kling.

87%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

87% User Score Based on 5,232 reviews

We Need to Go Deeper is a 2-4-player cooperative submarine rogue-like set in a Jules Verne-inspired undersea universe. In the game, you and your crew must embark on many voyages into a mysterious undersea trench known as The Living Infinite. If you enjoyed this game, see our list of games similar to We Need To Go Deeper.

75%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

76% User Score Based on 733 reviews

Critic Score 73%Based on 2 reviews

The Ball is a first person action-adventure game featuring a full single-player experience. As a swashbuckling archaeologist working on the slopes of a dormant volcano somewhere in Mexico, you get stuck in a cavern. It doesn't take long before you realize this is more than just a cave. If you enjoyed this game, see our list of games similar to The Ball.

85%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, optimization

89% User Score Based on 162 reviews

Critic Score 75%Based on 3 reviews

Unique couch co-op experience in (and outside) VR. Master platforming to avoid dangers, solve puzzles and build your way through the Underworld in this cooperative multiplayer game. If you enjoyed this game, see our list of games similar to Carly and the Reaperman: Escape from the Underworld.

79%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

79% User Score Based on 2,926 reviews

Hidden Deep is 2D action & exploration sci-fi thriller game (for PC) where you command group of explorers deep under the ocean floor to find out what happened to previous expedition to which contact has been lost. As they go deeper and deeper, they discover strange structures and deadly unknown organisms. If you enjoyed this game, see our list of games similar to Hidden Deep.

91%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

96% User Score Based on 70,034 reviews

Critic Score 87%Based on 54 reviews

Download Friend's Pass* to play It Takes Two with a friend — for free! Friend's Pass lets you play It Takes Two with a friend, provided they already own the full game. Here's how it works: Grab a friend who owns the full game of It Takes Two. Download Friend's Pass for free. Play the entire game together! Because whether it's splitting an ice cream sundae, grabbing a drink, spending the nigh… If you enjoyed this game, see our list of games similar to It Takes Two.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, atmosphere

89% User Score Based on 110 reviews

You volunteered to participate in an AI research as part of an human control group. Solve over 60 different puzzles and use new gameplay mechanics and more player freedom to find creative ways to progress through the game's beautiful world. If you enjoyed this game, see our list of games similar to ReThink | Evolved.

91%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

91% User Score Based on 1,310 reviews

Red Trigger is a First Person Shooter (FPS) Puzzle game. Can you infiltrate and corrupt the system? If you enjoyed this game, see our list of games similar to Red Trigger.

96%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

96% User Score Based on 595 reviews

Play as two minotaurs. Connect your screens to help each other out and escape the maze. If you enjoyed this game, see our list of games similar to DYO.

69%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, optimization

67% User Score Based on 192 reviews

Critic Score 77%Based on 3 reviews

7th Sector invites you to immerse into the mysterious world of cyberpunk and overcome a difficult path by solving various technical puzzles, facing dangers and collecting information about the world and the events happening in it. If you enjoyed this game, see our list of games similar to 7th Sector.

90%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

90% User Score Based on 7,130 reviews

Team up to operate an advanced starship and explore a randomized galaxy falling into chaos. Each player assumes a role aboard the ship: Captain, Pilot, Scientist, Weapons Specialist and Engineer. Coordination between your crewmembers will be essential in order to survive the perils that await you. Control the various stations that run your ship. Reroute power between ship systems, scan alien plan… If you enjoyed this game, see our list of games similar to PULSAR: Lost Colony.

68%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

65% User Score Based on 387 reviews

Critic Score 80%Based on 1 reviews

Enter a legendary alien facility dug deep into the Feldspar Mountains... a massive Pit, built by the ancient Suul'ka. Enter The Pit again for the first time, in this unique Roguelike / FPS hybrid! If you enjoyed this game, see our list of games similar to The Pit: Infinity.

80%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

80% User Score Based on 10,079 reviews

EARLY DEVELOPMENT (ALPHA)We still have a long road ahead and more exciting content planned! Subscribe to our Socials, visit our website, or join our Discord community for more info and updates about the development of the project. WHAT IS SCP?SCP originates from the SCP wiki, a community-run collaborative writing project that has been running since 2008. the acronym SCP refers to Special Contain… If you enjoyed this game, see our list of games similar to SCP: 5K.

93%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:monetization, grinding

93% User Score Based on 4,664 reviews

Selaco is a brand new original shooter running on GZDoom, featuring thrilling action set pieces, destructibility, smart AI and a fleshed out story taking place within an immersive game world. If you enjoyed this game, see our list of games similar to Selaco.