Atomic Bomberman

Unlock level editor option:
Go to the main menu, hold CTRL and press E, E, E, E, E, E.
(press E six times)

Campaign mode select:
Go to the player selection screen, and press C, C, C, C, C.
(press C five times)

Abort losing round:
If your character is destroyed immediately hit the [F10] key.

Programmers graphics:
Go to the installed game directory and enter to the "data/sound" folder
of the game to find secret graphics.

Bonus Windows 95 themes:
Go to the installed game directory, and enter to the "data/theme" folder
to find the bonus theme files for the game.