Playable games in Shadertoy !

Yes, even if we are stuck in pixel shader and have no access to input data, many people managed to program games in Shadertoys ! From basic to huge (might not always compile on your machine 🙂 ), from pro to amateur, 151 are there : (including a few not-playable demos)
( recommanded: HoverZoom plugin over previews )

Action games (platform, shooter, exploration)

• Wolfenstein 3D  ( not playable, demo only )
• Mario World         (not playable, demo only )
• Super Mario Bros   (not playable, demo only )
• Gimmick! Shoreline  (not playable, demo only )
• Contra          (not playable, demo only )
• Doom   (27″ compil )  –   OpenGL-compatible version ( 41″ compil )
• Quake intro ( start area )
• Find the Restoom  ,  Hedge Maze  ( 2 Laura-Croft base 🙂 )
• ShaderForce: special unit
• 3D platform & physics
• Dark 2D maze  ( go fullscreen ! )
• Legend of the Gelatinous

Adventure & strategy games

• The Legend of Zelda  ( not playable, demo only )
• Pixel Shader Dungeon
• Adventure game  ,  its making of
• Shadertoy Island
• Little horror story
• Insult Sword Fighting
• Core War
• Dupl.io

Simulation, driving, sport games

• Voxel Game – Evolution  ,  Voxel Game (origin) ( ~ MineCraft )
• Space Glider 2019 VR  flight simulator [ATTENTION: long compile time]
• Capture the flag    ( 2 players )
• 2d Verlet Physics Stunt Car
• Vax Game: vaccinate them all !
• 2121 on iceworld
• Racing concept
• Space Racer Car race against the AI
• QuadCopter
• City driving
• Biker 2D
• In cars
• Trapped Balls
• Voyage
• Verlet Drop
• Endless Golf
• Pool , Quasi Billiards
• Pinball  ,  Another one
• Soccer Game
• Shell Game  ( bonneteau )
• Maze ball

Arcade & casual games

• Marble madness ,      Marble marcher
• Sunset Drive Unlimited
• Retro Arcade Racer
• Frogger
• Lemmings concept
• Brick Driver
• Escape the Game grid ( Tron )
• There is no Path
• Cavern
• Bricks / BreakOut ,   another one
• Pacman
• Candy Crush
• Flappy Bird ,   another one
• Crossy Penguin
• Stubble Bobble
• Bubble Shooter
• Aliens vs. Humans ( invader )
• Tron
• Clicker game
• Super Hexagon
• Pong,   another,   yet another,   2 players,
  camouflaged! (2 players)
  physically based hockey variant (against computer)
• Snake  ,   another one  ,   yet another ,  +1    ( Snake )
• Snake maze: game renewed !
• Tetris,   another,   +1 ,   Shadertris,  minimalist,  parallel Tetris bots
• Toccata and boom  ,    Osu!  ( ~ 2D guitare hero )
• Bouncy
• CaveFly Micro
• Drifter
• Asteroids
• MiniAsteroid (coded in 2 tweets ! )
• Space invader ,   another one ,   yet another  ,   Virus Attack ( ~ invader )
• Lunar Lander
• Paratrooper
• Ballistic
• Asteroid 3D
• Alien virus attack!
• 3D maze
• Maze – another one
• traffic master
• Evil Asteroid
• Stick Raid
• Nyan’s Space Adventure
• Crystal Ball
• Shortest frogger
• Dodge the cubes
• Flappy Yellow Submarine
• slither: eat blobs ! (mono player,minimalistic )

Puzzle games

• Mine sweeper ,   another one ,   short one
• Ball mergin game
• 2048
• couch 2048
• Unblock me
• Power line
• Flow free
• 0h h1
• 0h n0
• Boulder Dash
• Sokoban  ,  Atari puzzle  ( ~ Sokoban )
• Rubik’s 3-ring
• Rubik’s ring
• Maze
• Ball-E Game
• glslanarity
• Smallest Enclosing Circle
• Pick the dots

Board, cards & paper games

• Chaturanga (ancestor of chess game – rules in comments)
• othello/reversi (against computer) ,   computer vs computer
• 4 in a row (against computer)
• Blokus (4 players)
• Checkers ( 2 players, partial rules )
• Card game ( OpenGL only; comment out #def NOCOMPILE in Common )
• Rush Hour – Boat Version
• Sudoku
• Suguru/tectonic
• TicTacToe  ,  ShadertOX   ( 2 Tic Tac Toes )
• Rubik’s 3×3 cube ,   Rubik’s pyramid. (  More Rubik’s, but not playable)
• Coiled 15 puzzle
• Taquin / 63 puzzle
• Puzzle ( 100 square tiles )

But so many classical games are still missing, comprising simple ones : will you dare to program one ?  🙂 ( remind to add the tag “game” ).

More:

• Search “game” on Shadertoy ( but many unrelated shader or not-playable games ).
• [SH16C] competition was dedicated to games. ( for good GPU only ! )