A classic 2D side-scrolling action game where you play as a 'civilized' caveman. Put on a beast mask to gain the power of the beast, defeat monsters and bosses, and unleash the beast within.

A 2D side-scrolling action adventure game that starts with just a click. Play as the main character who can transform into various animals. By picking up beast masks in each level, you can transform into the corresponding beast, gain their powers, defeat monsters and bosses, and clear the level—it's that simple.  4 Beast Forms: - Monkey Form: Uses disdainful attacks; damage is low but extremely insulting. - Dragon Form: Ignores gravity and flies freely; close-range burst skill — Flame Explosion, long-range skill — Dragon Breath. - Bear Form: Huge, heavy, and steady; suicide-style attack — Sky-Smashing Strike, short-range blast skill — Thunder Roar. - Wolf Form: Moves on all fours, crawling through narrow spaces; dominating charge skill — Fang Thrust, signature flashy skill — Wolf King's Mischievous Heart.  Linear gameplay: defeat every enemy you see and the boss at the end of each level. Currently features a forest level and seven different types of enemies, with more being continuously added...

Good Game Database

Beast Mask Achievements