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Canvas arena

Radius Raid

Jack Rugile built Radius Raid for the 2013 js13kGames competition and later released it under the MIT License. Its graphics and synthesized effects are generated locally in the browser.

Time
2–10 min
Input
Keyboard + mouse
License
MIT
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Ready when you are
Locally hosted

Radius Raid

Controls and source details are below. The game will only load after you choose to start.

No autoplay and no account—the game runs locally in your browser.

01

How the game works

Pilot a small ship through a luminous circular survival arena.

02

Your goal

Survive each wave, destroy incoming enemies, and protect the center of the arena.

03

How to play

  1. Start a new game from the canvas menu.
  2. Move around the arena while aiming at incoming enemies.
  3. Use collected power-ups and protect your remaining health.
04

Controls

Desktop

Move with W/A/S/D or arrow keys, aim with the mouse, and click to fire.

Mobile

The original game requires a keyboard and mouse; mobile-only players should choose another title.

05

Rules & scoring

  • Enemies arrive in escalating waves around the circular arena.
  • Contact and enemy fire reduce health.
  • Destroyed enemies and collected power-ups improve the run.

Enemy hits and wave progress add to the score. Local high scores can be cleared from the options menu.

06

Useful tactics

  • Keep moving around the outer edge rather than backing into the center.
  • Sweep the pointer ahead of your movement path.
  • Save open space for later waves when enemy density rises.
07

Questions

Was this a competition game?

Yes. It was an entry in js13kGames 2013 and is now MIT licensed.

Does it download sound files?

No. Effects are synthesized from bundled JavaScript.

Can I play with touch only?

No. The original control scheme expects both keyboard and mouse.

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