13 Moddable · Puzzle games your group can play together online, including Party Quiz, JOY OF PROGRAMMING - Software Engineering Simulator, and Quest Master.
All games: 13
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!
Use real Python code to automate machines, robots, drones and more: Program self-driving vehicles; crack passwords; apply machine learning; automate logistics; use image processing to guide missiles. Gain real coding skills and solve exciting bite-sized programming challenges.
Quest Master is a dungeon maker inspired by the classics that first made us love dungeon crawling. Unleash your imagination, alone or in local co-op, to make dungeons full of puzzles, traps and monsters. Upload them for others to explore and challenge yourself with other players’ creations.
Want to play the hardest cooperative 2D platformer ever? Want to finish no map ever? Want to be in pain for hours and cry, getting nothing in return? Come play DDNet with a large community of other sufferers!
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
Fight through connected Half-Life campaigns and a wide range of community maps with friends online or over LAN. Revive teammates, solve map-built puzzles, and keep your group moving together.
Find yourself trapped alone in a room with a ticking time bomb. Your friends have the manual to defuse it, but they can't see the bomb, so you're going to have to talk it out – fast!
Ride your music in more ways than ever before. Audiosurf 2 is the music game for your entire music collection. Hundreds of mods/skins on Workshop. Free demo available.
Plan a SWAT entry with one friend in Door Kickers’ two-player online co-op, then watch your routes meet real-time resistance.
Join up to seven friends in Contraption Maker’s online Maker Lab to build, test, and tinker with shared physics machines.
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
Invent a new computer! Logic World is a first-person sandbox simulation game that's all about digital logic. Play alone or with friends, design unique machines, build up layers of complexity, and experience the joy of circuits!
Kallax is a chaotic furniture-building 2 to 6 players co-op game in which only one player can read the instruction manual at a time. Experience what should have been a one person's job and lose friendships forever.