Mikun Pop is a simple action platformer based upon classic Mario Bros, a platform arcade game published and developed by Nintendo in 1983. The game allows player to play with Vocaloid characters, each has different standard and special attacks. All characters can defeat enemies by jump on top of them or stun them for a long period of time if player hit the ground beneath an enemy.
By defeating multiple enemies, more points and bonuses can be obtained. Each phase has a certain number of enemies and player must defeat them all before proceeding to the next phase. Both sides of every phase feature a mechanism that allows the player to go off-screen to the left and appear on the right and vice versa.