The game development platform built for everyone. Build 2D games, share them with the world, and play creations made by the community — all powered by the Proton scripting language.
This Flappy Bird demo is written in Proton# — translated to JS so you can play it right here.
-- FlappyBird.pros -- Written in Proton# import std.physics; const:local GRAVITY = 0.4; const:local FLAP_VEL = -7; const:local PIPE_GAP = 120; const:local PIPE_SPD = 2; module.bird = { x: 80, y: 240, vy: 0 }; module.pipes = []; module.score = 0; module.alive = true; func flap() do if module.alive do module.bird.vy = FLAP_VEL; end; end; func spawnPipe() do var:local gap = random(100, 300); module.pipes.push({ x: 320, gapY: gap }); end; events.on("Tick", func() do if not module.alive do return; end; -- physics module.bird.vy = module.bird.vy + GRAVITY; module.bird.y = module.bird.y + module.bird.vy; -- move pipes for each pipe in module.pipes do pipe.x = pipe.x - PIPE_SPD; if pipe.x == 78 do module.score = module.score + 1; end; end; end);
A free, community-driven game development platform powered by the Proton scripting language.
Build 2D games using the Proton# Studio editor and the .pros scripting language. No experience needed.
Publish your games for the whole community to discover. One click and your creation is live.
Explore and play games made by other creators in the growing Proton# community.
Built-in AI assistant to help you write .pros scripts, debug errors, and answer your questions.
One language, multiple backends. Proton handles the complexity so you don't have to.
Use semicolons to chain commands on one line. Clean, readable, and easy to learn for beginners.
Proton routes your code to Python, Lua, and C# under the hood — automatically.
Save and load game data with ease using Proton's Lua-powered datastore system.
Beyond Proton# — see what else Velox Technologies is building.
Start creating today. It's completely free.
Latest beta release — Windows — Released 2026
By downloading Proton# you agree to use it responsibly. Proton# is not liable for any damages caused by beta software.
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The people building Proton# from the ground up.
We're always looking for passionate people to help build Proton#. All positions are volunteer based and open to everyone. No experience required but always appreciated! A resume is not required but recommended.
Proton# is a volunteer passion project. All team members contribute in their own time. We appreciate every single one of them.
Updates, announcements, and personal posts from the Proton# team.
Everything you need to start building with Proton.
The full in-depth language reference. Learn the Proton syntax, data types, functions, datastores, and more. Written and maintained by the Proton# team.
Community driven tips, tricks, tutorials, and workarounds. Find real world solutions, game examples, and guides written by Proton# players and developers.
Last Updated: 2026
By downloading, installing, or using Proton# you agree to these terms.
Proton# is currently in beta. It is unfinished software. Bugs, crashes, data loss, and incomplete features are expected. Use at your own risk.
Proton# is open to everyone. If you are under 13, please get a parent or guardian's permission before using the platform.
You own everything you create using Proton#. We do not claim ownership over your games or scripts.
You agree not to use Proton# to create or share anything that is illegal, harmful, hateful, or inappropriate.
We may update these terms at any time. Continued use of Proton# means you accept any changes.
Proton# is provided as-is with no warranties. We are not responsible for any damages caused by using beta software.
Proton# Studio and the Proton scripting language are free to download and use.
Any game, script, or creation made using Proton# belongs to you, the creator.
You may not resell, redistribute, or claim ownership of the Proton# software itself. You may not reverse engineer or modify the Proton# Studio application.
You are encouraged to share your games and .pros scripts with the Proton# community.
This software is provided free of charge with no guarantees of fitness for any particular purpose.
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