Code Defense

Defend your server from waves of bugs by typing code snippets. A tower defense game for programmers.

Difficulty:
Live Speed: 0 WPM | Accuracy: 100%

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How to Play & Controls

Controls

Type on your physical keyboard. Use standard touch typing finger placement.

Engine

Runs on 2D via Web Worker OffscreenCanvas for locked 60 FPS.

Shortcuts

Press Esc to Pause, R to Restart.

Tags:#strategy#programming#tower-defense

Frequently Asked Questions

Common questions and tips to sharpen your typing speed.

How do I play Code Defense?▼
Start the game and type the characters or words as they appear on screen. Maintain accuracy and rhythmic typing cadence to score points and build combos.
Can I play Code Defense on a school Chromebook or mobile device?▼
Yes! All games on TypeArena are optimized to run smoothly at 60 FPS on Chromebooks, budget laptops, and modern mobile touchscreens without requiring downloads.
How does Code Defense calculate my WPM and accuracy?▼
Words per minute (WPM) is calculated using the international standard formula: (total correct characters / 5) divided by time in minutes, adjusted for errors. Accuracy is the percentage of correct keystrokes out of total key presses.