Space Invaders — Classic HTML5 Shooter

Play a free Space Invaders-style browser game: move the defender, fire upward, destroy four rows of invaders, and protect your three lives.

What this tool does

This responsive canvas shooter recreates the core Space Invaders loop: a player ship moves along the bottom, colorful invaders sweep across four rows, and both sides fire projectiles. Clear the alien formation before it descends too far, using keyboard controls, touch dragging, or the on-screen Fire button.

Who this is for

• Players searching for a free Space Invaders game or classic arcade shooter
• Mobile players who want touch movement and a dedicated Fire button
• Fans of simple score-chasing games with waves of descending invaders
• Developers exploring canvas collision detection, keyboard input, touch zones, and responsive sizing

How to use this tool

1. Click the opening message overlay to start the game
2. On desktop, move with Arrow Left/Right or A/D
3. Press Spacebar to fire, or tap the Fire button
4. On mobile, drag in the lower movement zone to position the ship
5. Tap above the movement zone to fire, or use the visible Fire button
6. Destroy every invader while avoiding enemy bullets and the formation’s descent
7. Restart from the overlay after Game Over or after clearing the wave

Inputs

• Movement — Arrow Left/Right or A/D on desktop
• Firing — Spacebar, the Fire button, or a short tap above the mobile movement zone
• Touch movement — Drag horizontally in the lower canvas zone
• Enemy wave — Four rows by eight columns of invaders move, descend, and fire
• Viewport — Responsive canvas sizing adapts the play area to the browser

Outputs

• Score — Increases when player bullets destroy invaders
• Lives — Starts at three and decreases when the player is hit
• Arcade state — Start, playing, Game Over, and win overlays
• Canvas action — Player ship, invader formation, player bullets, enemy bullets, and collision feedback
• Restart action — The message overlay reinitializes the wave after a completed or failed run

Example use cases

• Classic arcade run — Clear the full invader formation without losing all lives
• Touch shooter session — Move by dragging and fire with the button or an upper-canvas tap
• Canvas game demo — Explore responsive sizing, projectile cooldowns, enemy descent, and collision rules

Frequently asked questions