MIStg! is a vertically scrolling shoot-em-up game. The game has five levels which takes the player through history. The first level is medieval Europe where the player faces amongst other enemies knights and priests. The second level is old Japan where player faces amongst other enemies samurais and shinto priests. The third level is ancient Egypt where mummies tries to stop the player. The fourth level is a world war 2 level where the player faces enemies such as the Me 262 and B17. In the final level the player will face off against a super boss. At the end of each level (except the last) the player will face an end of level boss. White and red bullets may be deflected by the player by choosing the right shield.