Life & fun · alternatives · 2026

24 alternatives to Keep Out!

Remarkable WebGL Experiment.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Keep Out! launched in 2015; newer entries below may have overtaken it.

1. 1WG
   WebGL Games▲83

   2015 · webgl.nu · its alternatives →

2. 2AS
   A simple infinite world in WebGL▲181

   2016 · erkaman.github.io · its alternatives →

3. 3WP
   WebGL Playground▲89

   2014 · jessevdk.github.io · its alternatives →

4. 4AM
   A Marble Madness-inspired WebGL game we built for Netlify▲616

   Hello HN! We’re a small creative studio specializing in real-time 3D experiences. Netlify approached us to design and build an interactive experience to celebrate reaching 5 million developers. Inspired by the classic game Marble Madness, we created a gamified experience where users control a ball through playful, interactive levels. The goal was to blend marketing content with the look and feel of a game to engage users. The app is built with Three.js [1], using our custom render pipeline and shaders, and uses Rapier for physics simulation [2]. The 2D content is overlaid on the WebGL view…

   2024 · 5-million-devs.netlify.com · its alternatives →

5. 5AA
   Astray, A WebGL maze game built with Three.js and Box2dWeb.▲41

   2012 · wwwtyro.github.com · its alternatives →

6. 6WF
   WebGL Fire Simulation▲143

   2016 · ghostinthecode.net · its alternatives →

7. 7
   BrowerQuest▲65

   A HTML5/JavaScript multiplayer game experiment

   2015 · its alternatives →

8. 8VM
   VoxLords – My latest WebGL Chrome Experiment▲32

   2015 · chromeexperiments.com · its alternatives →

9. 9MG
   Multiplayer game in WebGL/JavaScript with full source▲62

   2015 · github.com · its alternatives →

10. 10AW
    A WebAssembly game demo▲251

    2017 · funkykarts.rocks · its alternatives →

11. 11MF
    My first WebGL demo, the first self-extracting PNG ever?▲101

    2011 · demoseen.com · its alternatives →

12. 12PG
    Pokemon Game using WebGL▲10

    2016 · maierfelix.github.io · its alternatives →

13. 13F3
    Freeciv 3D WebGL version available for testing▲29

    2016 · play.freeciv.org · its alternatives →

14. 14LA
    Little Automatic Racing Game in WebGL with Three.js and Oimo.js▲37

    2019 · emh.lart.no · its alternatives →

15. 15FW
    Freeciv WebGL 3D▲105

    2017 · play.freeciv.org · its alternatives →

16. 16WP
    WebGL Procedural Badlands▲16

    2017 · github.com · its alternatives →

17. 17SA
    Skycraft, a creative voxel adventure game in WebGL▲23

    2013 · skycraft.io · its alternatives →

18. 18CA
    Coil, an HTML5 Canvas + WebGL game▲10

    2011 · hakim.se · its alternatives →

19. 19WM
    WebGL Minecraft-like scripting environment for teaching programming▲66

    2016 · webblocks.uk · its alternatives →

20. 20RE
    Reverse-engineered game worlds using WebGL▲6

    2019 · noclip.website · its alternatives →

21. 21
    Project V▲64

    A browser based scrolling shooter.

    2015 · its alternatives →

22. 22AC
    A conformant WebGL implementation for Node.js▲57

    2016 · github.com · its alternatives →

23. 23OH
    Our HTML5 Game Engine, with live demo▲44

    2011 · flax.ie · its alternatives →

24. 24A3
    A 3D First-Person Shooter in WebGL in 24 hours▲9

    2012 · icecreamyou.github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →