Atomic Bomberman
Keep from losing a Round
Press [F10] Immediately if your character is destroyed to keep the round from being counted.

Extra Graphics
Go to the date/sound directory to find hidden graphics from the game's programmers

Bonus Themes
A Win 95 theme is in the data/theme directory of the game.

Select Campaign mode
At the player selection screen, press C five times.

Level Editor
At the main menu, hold [Ctrl] and press E six times