Games
Browser games by Sam Gilson, written in Rust and made with Builder. Each game's tile opens the game straight away, and Read more describes it. The games that several people can play together are repeated under Multiplayer. Tools · All tools and games
Made with Builder
Builder is the template, agent instructions and check command these games were built with, and it keeps every rule of a game in a tested Rust core.
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Builder
Featured
A template, agent instructions and one check command for building small browser tools with a coding agent, with every rule in a tested Rust core.
Visit tool: BuilderSource code: BuilderRead more about Builder
All games
Featured
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Vagrancy
A two-player physics sword-fighting game in which each player controls only their fighter's arms.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Long Time Comin'
3D bullet hell shooter inspired by Housemarque games. You have been sent back in time to stop yourself from committing a great act of treachery; however, you arrived 50 years too early.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Surfs Up!
Counter-Strike surfing in 3D on surf_utopia and surf_kitsune, rebuilt from the original maps as a school gym, with Source movement, ghosts and rooms for eight.
Chrome · Edge · Firefox · Safarikeyboard and mouse
3D
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CHUMWORLD
A 3D open world of sword duels: steer a physics-simulated arm and its sword with the mouse, run from an orc raid on your village, and fight bandits and orcs across the plains.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Mage Tower Battle
Rebuild a wrecked mage college: craft spells from pieces, teach your students by drawing each spell's glyphs, then watch four towers hold.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Play game: Mage Tower BattleRead more about Mage Tower Battle
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Extremely Lifelike Fishing
Fish the open sea from a pedal-drive kayak, driving each shoulder and elbow on its own keys, on a simulated line that stretches and snaps.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Play game: Extremely Lifelike FishingRead more about Extremely Lifelike Fishing
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Protection of the Spheres
A browser game that plays like the Warcraft III map Defense of the Ancients, with ten heroes of its own: arcade missions against the computer, and five against five online.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Play game: Protection of the SpheresRead more about Protection of the Spheres
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Backbeat Pizza
A 3D deduction game: bake pizzas for a band of picky drummers and work out each secret order from their riffs and hints, over ten levels.
Chrome · Edge · Firefox · Safarikeyboard and mouse, or touch
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Gatecrasher
A third-person stealth game: sneak through an island outpost with two portals, a silenced pistol and a mule, across three missions.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Level Twenty
A three-against-three auto battler in 3D: melee, magic and ranged, three skills a unit, and a crew you level up to twenty.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Raiders of the Lost Mart
A four-player co-op extraction shooter in 3D: raid an abandoned Southpoint mall full of drones, carry out what you find, and build your guns from it.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Play game: Raiders of the Lost MartRead more about Raiders of the Lost Mart
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Pursuer
A first-person survival driving game: hold on to something too long and a giant flat cut-out chases you through a city it tears apart.
Chrome · Edge · Firefox · Safarikeyboard and mouse, or touchAlso on iPhone and iPad
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Graftwood
A 3D auto-battling roguelike: walk a branching path through the woods and graft the body parts of what you beat onto your own creature.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Ribbit King
Frolf, golf played with frogs, for up to four players in one browser or online: whack your frog off a catapult, fly it through flies, lily pads and webs, and land it in the lotus.
Chrome · Edge · Firefox · Safarikeyboard and mouse, or touchAlso on iPhone and iPad
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Food Truck Circus
A 3D trampoline game on a food truck, played across the real venues of a touring circus.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Play game: Food Truck CircusRead more about Food Truck Circus
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Iron Vector
A single-player 3D mech game: build a frame from parts in the garage, then fly it across a city.
Chrome · Edge · Firefox · Safarikeyboard and mouse
2D
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Galactic Survivors
A survivors-like on an alien planet: steer through twelve minutes of waves, build abilities from parts, and play alone or with a friend in co-op.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Play game: Galactic SurvivorsRead more about Galactic Survivors
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Lowballer
A 2D game about lowballing sellers on a neighbourhood marketplace: read the listing, check the seller, and offer as little as they'll take.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Slushline
A game in which a belt carries cups under slush spouts, and each spout pours for as long as you hold its key.
Chrome · Edge · Firefox · Safarikeyboard and mouse, or touchAlso on iPhone and iPad
Proof of concept
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Floodline
A multiplayer medieval city builder in which each age ends in a flood.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Gear Master
Arrange components into gear, then watch the build take part in an automatic battle.
Chrome · Edge · Firefox · Safarikeyboard and mouse
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Gear Master 2D
Explore a tile-based world and assemble equipment for automatic battles.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Multiplayer
The games above that two or more people can play together, each in their own browser or at one keyboard.
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Vagrancy
A two-player physics sword-fighting game in which each player controls only their fighter's arms.
Chrome · Edge · Firefox · Safarikeyboard and mouse
One keyboard or online · 2 players
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Surfs Up!
Counter-Strike surfing in 3D on surf_utopia and surf_kitsune, rebuilt from the original maps as a school gym, with Source movement, ghosts and rooms for eight.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 to 8 players
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Mage Tower Battle
Rebuild a wrecked mage college: craft spells from pieces, teach your students by drawing each spell's glyphs, then watch four towers hold.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 to 4 players
Play game: Mage Tower BattleRead more about Mage Tower Battle
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Protection of the Spheres
A browser game that plays like the Warcraft III map Defense of the Ancients, with ten heroes of its own: arcade missions against the computer, and five against five online.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 to 10 players
Play game: Protection of the SpheresRead more about Protection of the Spheres
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Level Twenty
A three-against-three auto battler in 3D: melee, magic and ranged, three skills a unit, and a crew you level up to twenty.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 players
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Raiders of the Lost Mart
A four-player co-op extraction shooter in 3D: raid an abandoned Southpoint mall full of drones, carry out what you find, and build your guns from it.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 to 4 players
Play game: Raiders of the Lost MartRead more about Raiders of the Lost Mart
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Ribbit King
Frolf, golf played with frogs, for up to four players in one browser or online: whack your frog off a catapult, fly it through flies, lily pads and webs, and land it in the lotus.
Chrome · Edge · Firefox · Safarikeyboard and mouse, or touchAlso on iPhone and iPad
Online · 2 to 4 players
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Galactic Survivors
A survivors-like on an alien planet: steer through twelve minutes of waves, build abilities from parts, and play alone or with a friend in co-op.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 players
Play game: Galactic SurvivorsRead more about Galactic Survivors
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Slushline
A game in which a belt carries cups under slush spouts, and each spout pours for as long as you hold its key.
Chrome · Edge · Firefox · Safarikeyboard and mouse, or touchAlso on iPhone and iPad
One keyboard or online · 2 players
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Floodline
A multiplayer medieval city builder in which each age ends in a flood.
Chrome · Edge · Firefox · Safarikeyboard and mouse
Online · 2 to 6 players