Games like Portal

I made a game about my dog.

Explore over 40 interconnected levels, evade over 20 unique entities, solve puzzles, manage scarce resources, and survive a nonlinear backrooms horror experience with multiple routes, and extreme replayability.

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.

a game about accessibility settings that's just a *bit* too hard for you to play effectively. 10-15 minutes in length with 30+ minutes of developer commentary!

Climb through strange worlds as a determined little frog. Charge your jumps, control your dives, and push ever higher but one bad landing can send you a long way back down.

Sol Cesto is a tactical and frantic roguelite where mastering your luck is key. Choose a hero, upgrade them using cursed teeth and magical items, and descend to the bottom of an ever-changing dungeon. In this dark world, every action has consequences…

Cubed is both a puzzle and an arcade game for VR and non-VR.  Relax and get your mind off everyday life in puzzle mode.  Challenge yourself in arcade mode.  Or grab a friend and play arcade mode either as a team or as bitter rivals, stealing and sabotaging your way to victory!

An online 1-6 player co-op "casino crawler" where you and your friends share one bank account and one massive debt. Gamble, buy sketchy items, make terrible decisions, and climb an ominous casino tower to hit your loan shark’s daily quota in 5 minutes - or face the consequences.

Run, jump, climb, glide, fly - or just fall in a way that somehow works. Doesn't matter how, just keep moving through this maze. How high do you have to climb to get out?

Kebab Chefs! is a Co-Op, cooking and restaurant management game that can be played up to 4 players. Design your own restaurant. Cook delicious foods, fill your menu with various recipes, feed customers and become the biggest kebab restaurant in town!

Do you like hot dogs? How about horseshoes? Hand grenades? (everyone likes hand grenades) Anyway, we've got all that, and guns. SO MANY GUNS. So if you like ordnance, meat, and far too many groan-worthy puns, this is the VR sandbox game for you.

Dungeon Clawler is a Roguelike Claw Machine Deckbuilder. Build your deck, grab weapons and items from the claw machine to battle enemies, discover powerful perks that create game-changing synergies and unleash crazy combos as you fight your way through the dungeon!

Orb of Creation is a non-idle incremental-puzzle game in which you recreate the world with nothing but magic and ingenuity. Conjure resources, buy upgrades, and become an all-powerful wizard!

KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.

Kairos: In Step with Time is an experimental interactive experience about time, cosmic order, and human response. Align the time ring, answer six moments of change, and let your final hexagram emerge from the rhythm of the universe.

Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.

『UNBOUND PROVIDENCE』はレトロな3Dダンジョン探索アクションRPG。鉱山から繋がった未知の迷宮を探索しよう！

A co-op puzzle heist for two. One of you breaks into a secret bunker. The other sits in the observation office, watching the bunker. A walkie-talkie is your only link. Talk to each other and find out how good your teamwork really is.

Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!

An observation-based 3D thriller game where you must safely escape a dark cave to save a companion trapped under a boulder. Carefully explore the cave: if you spot an anomaly, turn back immediately; if there are no anomalies, keep moving forward to find your way out.

BOXROOM allows you to design, define and decorate a room - a sanctuary - for your Steam library, and then revel in the organisation of your game collection.

A fully text-based single-player RPG inspired by classic MUDs. Step through portals into hand-authored and generated realms that scale to your character. Hunt loot, craft and enhance equipment, level multiple classes, and create your own adventures in the Portal Workshop.

Make music & solve puzzles with physics at the same time. Draw vines, guide dewdrops through vibrant levels, unlock new sounds, and create your own beats in a relaxing musical sandbox.

Play a local Quiz game with your friends and family. Create your own Quiz using the Party Quiz Constructor or use the Steam Workshop to download one of the Quizzes made by the community. Test your knowledge!

Hand-set Sudoku, Nonograms and Minesweeper with HUNDREDS of HANDSET puzzles. A fresh puzzle every day, global leaderboards. Smart Hints help teach you how to solve complex puzzles. No guessing andno rush. A soothing logic-puzzle lounge, built for VR from day one.

A minimalist puzzle game. You only see the outer edges of the puzzle pieces in a voxel object. Put the puzzle pieces into place to reveal the hidden voxel object and watch it come to life.

Uncle Lee has done it again. It’s up to you to pick up the pieces. Join rebellious teen Ines as she deals with the fallout of her uncle Lee’s experiments/inventions/cooking, in a modern point & click adventure in five self-contained episodes.

Craft delicious lunch boxes in this cozy-yet-challenging ingredient-cutting puzzle game.

Bye Sweet Carole is a narrative-horror adventure game completely hand-drawn in the style of classic animated films. Follow the trail of missing Carole Simmons and uncover the dark secrets hidden behind her disappearance from Bunny Hall orphanage.

Shelve the products, unlock new skills, and use your unique methods to tidy up the mall. Enjoy the online co-op and online PvP with your friends, or go solo! Fill up the shelves and experience a sense of relief and satisfaction.

A HARDCORE physics-based 1-4 player co-op RAGE GAME about getting home after a wild night out. It was a fun night! Now grab your buddies and walk home. IF YOU REMEMBER HOW.

Find the Needle. Honor the Goat. Dig through the haystack with an array of tools and machines to find the mythical needle and unlock the ultimate reward.

A psychedelic trip to an abandoned island paradise, where nothing is quite what it seems. Explore forgotten villas, sentient art pieces and sunken opera houses. And find your way back home before the archipelago swallows you whole.

Lost and Found Co. is a hidden object adventure in a cozy and immersive world. Join a cast of lively characters on their epic journey across countless magical locations. Find lost items, solve puzzles, and help a tiny dragon regain her power!

A puzzle game with twenty small mazes.

You are trapped inside your new home, where doors open up to various liminal spaces and anomalies appear around every corner. Will you manage to find your way out?

SINGULARITY is a collection of 61 distinct games — from particle dreamscapes and detective puzzles to tactical combat and survival farming. Collect Embers in every level to grow and unlock more. The Particle Eggs keep expanding over time, so the journey never ends.

A 2D metroidvania where every defeated Archon becomes a summonable power. Claim six ancient beings, use their abilities to fight, move, and unlock hidden paths, and uncover a sinister plot threatening the world.

Fly, dodge, and score points — this is a real test of reaction and concentration, where every new record feels like a big victory over the ruthless cosmos.

A cozy 3D shelf-management puzzle game with satisfying ASMR sounds. Organize unique libraries, from a peaceful Hanok map to an Incredible Mode with 1,000 books! Challenge Hardcore Mode with disruptive villains, and earn tokens to build historical landmarks like Gyeonghoeru.

Team up with a brute-force warrior, a nimble and wily thief, and a cowardly wizard with teleportation magic. Use all three characters with different abilities at the right time to solve puzzles and collect treasures!

Save Bunnyville from a doomed fate: a top-down action/RPG roguelite from the makers of Dungreed. Explore the depths of the tower, collect and upgrade artifacts, and defeat hordes of demons to keep your village safe.

Project: Gorgon is a fantasy MMORPG that allows you to forge your own path through exploration and discovery.

Play as a grieving mother whose child went missing in a playland one year ago. Use your trusty flashlight to navigate through the dark, solve replayable puzzles to progress forward, and hide from the unstable killer mascots! Investigate the mysteries and find out the truth...

After a tragic crash, dash across an unknown planet using your crew's wacky UFO abilities to find a way home.

Climb freely through dynamic environments using a physics‑driven movement system. Every route is a puzzle of stamina, grip, and precision. Explore, experiment, and push your limits in a vertical world built for skill, creativity, and challenge.

Fly the Lander, collect the fuel, avoid obstacles and perfect your skills to attempt a soft landing in this difficult precision platformer.

Continue the adventures of Beatrix LeBeau as she journeys across the Slime Sea to Rainbow Island, a land brimming with ancient mysteries, and bursting with wiggly, new slimes to wrangle in this sequel to the smash-hit, Slime Rancher.

You are a disease. Infect the human body as a lone pathogen in this cellular roguelike shooter. Collect organelles to evolve your parasite in a microscopic arms race against your host's immune system. Conquer a beautiful, procedurally generated world of tiny proportions.

Backrooms Media is a 1-4 player co-op horror that plunges you into unsettling, hyper-realistic liminal spaces. Navigate eerie environments filled with lurking horrors. Group up with your friends to face the terror of the endless backrooms together and... try to escape.

"Lost Castle 2" is a 2D Beat'em up Rogue-Lite game. Explore abundant treasures and items to enhance yourself, master various weapons to showcase your skills, and challenge powerful monsters to demonstrate your strength. A new adventure is calling for treasure hunters!

A fast paced silly cutegore FPS! Earth has been taken over by demons. A catgirl codenamed MeowMeow fights back! MEOW, GUN, CLAW and BLOW UP hordes of evil demons, zombies, and other monsters in colorful environments with tons of weapons! The game runs on the FTEQW engine.

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!