UCHU ZAMURAI is a free browser game with reflex challenge, side-scroller, block breaker, and vertical shooter modes

No installation is required. Play instantly on mobile or desktop in your browser.

Game 1: Galaxy Onigiri Run

Auto-run side-scrolling action where you jump over obstacles and collect onigiri and coins for points.

Game 2: Comet Beam

A reaction time game where you tap as soon as an alien beam appears from the left side.

Game 3: Meteor Intercept

A vertical shooter where you move left and right while auto-fire attacks incoming enemies.

Game 4: Samurai Block Breaker

Move the paddle with arrow keys or drag, then keep chain combos going to crush the block wall. The strategy guide covers the core rules.

Learn and Train Reflexes

See the English reflex training hub and strategy pages for each mode.