![Raiden IV: Overkill Raiden IV: Overkill](https://megagames.com/sites/default/files/styles/front-page-slide/public/game-images/raiden4o.jpg)
- PC
Game Cheats:
Boss Rush mode opponents:
Defeat a Boss to unlock it in Boss Rush mode.
Gallery option:
Complete the second loop in any mode.
Free Play mode:
Successfully complete the game. Note: This must be repeated for
every game mode.
Stage select:
Successfully complete the game. Note: This must be repeated for
every game mode.
Weapon select:
Successfully complete the game. Note: This must be repeated for
every game mode.
September 14, 2015 - 1:05pm