Daioh

Daioh, which translates from Japanese as 'Great King', is a vertically multi-layer scrolling space shooter. The game has a multitude of waves of different enemies, several final bosses and frenetic action. You can use weapons like "Ion Shot", "Laser Shot", "Missile Shot", "Fire Bomb", "Mega Beam" and "Atomic Bomb".

The US version features 6-button support for all three shot types and their respective bomb types.