The game fits well into the category of manic shooters, with extremely fast-paced action and bosses that fire incredible numbers of bullets.
Normal shot: Tap A button.
Sub shot: Tap A button when player has least 1 Magic book.
Elemental charge: Hold A button. When charging, fighter's attribute alternates between fire and ice, and the treasure gauge increases (up to level 8).
Elemental burst: When player has least 1 Magic book, hold A button until side arms are retracted, then release A button. Elemental burst empties treasure gauge.
Magic Bomber: Press B button. When an enemy is destroyed by bomb, player only gets 10% of normal score. In 2-player game, a player can take other player's bomb stock by moving to other player's bomb crystal tail.
SOLO-BANG The Warrior
KARTE The Sorceress
MIYAMOTO The Dragon
GRIMLEN The Necromancers
Hidden units. They can be used by pressing up, up, left, down, down, right, A, B, A, B, A at title screen:
GAIN the Battler
CHITTA the Magic-user
BIRTHDAY the criminal
GOLDEN the prince
Source: Wikipedia, "Dimahoo", available under the CC-BY-SA License.