The Sixth Prime
A 2024 js13kGames entry by Zachary Rankin, David Fagan et al — under 13KB of pure craft.
This game is reviewed here and played at its source.
Hosted by js13kGames
About The Sixth Prime
Start the development server and go to http://localhost:40001 in your browser. To build the project, run: This will build and bundle the project into the `build/zipped/thirteen.zip` file. You can see this in the output of the build script, for example: This means the package is 3326 bytes, which is 24.98% of the 13kb limit.
The Sixth Prime was submitted to the js13kGames 2024 competition by Zachary Rankin, David Fagan et al. It earned competition recognition. Like every js13k entry, the entire game — code, art, and audio — fits in 13 kilobytes, a constraint that rewards focused, clever design over bulk. To lint the project, run: This will run prettier and eslint to make sure everything stays shiny.
How to Play
The Sixth Prime uses standard browser-game controls (keyboard, mouse, or touch). Open the game via the source link below to see the in-game instructions, as controls vary per entry.
As a js13k entry, expect a focused experience built around one core mechanic. Read the title screen for the specific objective and any special inputs.
Key Features
- ▸ Built in under 13 kilobytes (code, art, audio)
- ▸ Submitted to js13kGames 2024
- ▸ Author: Zachary Rankin, David Fagan et al
- ▸ Competition-recognised entry
The Sixth Prime — Frequently Asked Questions
Is The Sixth Prime free to play?
Yes. The Sixth Prime is a free browser game — no download or installation required. Click the play link to open it at the source site.
Where can I play The Sixth Prime?
You can play The Sixth Prime on js13kGames. ArcadeBloom links out to the original source — we review the game but do not host it.
What kind of game is The Sixth Prime?
The Sixth Prime is a arcade game. A 2024 js13kGames entry by Zachary Rankin, David Fagan et al — under 13KB of pure craft.
Source & Licence
- Author / Project
- js13kGames
- Licence
- source-available
- Released
- 2024
ArcadeBloom is a directory. We review and link; we do not host this game. All rights belong to its author. Visit the official site to play.
More Arcade Games
Ashes of Ulthar
A 2025 js13kGames entry by Elliot Nelson — under 13KB of pure craft.
Kiki's Cafe
A 2025 js13kGames entry by Daniel Bucci — under 13KB of pure craft.
Little adventure of Mr Cat
A 2025 js13kGames entry by Arulyan Asokan — under 13KB of pure craft.
ShadowFlame
A 2025 js13kGames entry by quietchili — under 13KB of pure craft.