Slash through enormous enemy forces and defeat Commanding officers

In this game, the player character is samurai who has a sword. The player starts with the lowest samurai abilities. Samurai moves slow, slash

slow. When the samurai starts to move he has to slice his enemies who have the same matching color as his. When he slashes the enemy he gains more slash speed, becomes faster, bigger. Of course, if he's attacking not his sword color enemy, samurai becomes slower, with a slower slash. At the end of the level, the player has a boss fight.