KO MECH is a featured STG action game made by steam, an independent game developer ektomarch. The biggest feature of its game is the combination of combat counterattack system and barrage system. The main way to play the game requires the player to control the boxer-like robot, using boxing to defeat various enemies to become the first. In the game, players can use three different attacks to break down the enemy, and all enemy's barrage attacks can be countered, which is very reflected in the barrage attack to seek a first-line counter-attack chance of the guerrilla. Different BOSS also needs to use different attack modes flexibly.