Uranoid mini-game:
To unlock the Uranoid mini-game at the main menu, beat all levels and save your friends.
Uranoid mini-game (Japanese Version):
To unlock the Uranoid mini-game, at the title screen, press R, Left, Right, L, Right, R.
Unlockables:
Unlock the following bonuses by performing the corresponding tasks:
BONUS – HOW TO UNLOCK
Geometric backgrounds, metal frame, and Twin Block – Beat Clear Game, Uranoid, and Quest Game.
Original Vaus ship – Beat all Quest mode levels.
Play as Artemis – Beat Zone V’ in Quest mode.
Play as Neith – Beat Zone Z’ in Quest mode.
Play as Operon – Beat Zone W in Quest mode.
Play as Rhea – Beat Zone V in Quest mode.
Captain Neo background music – Beat Theta-5 in Uranoid with 400,000 points
Happy Smiling background music – Beat Eta-5 in Uranoid with 400,000 points
Revenge Of Arkanoid background music – Beat Lota in Uranoid with 400,000 points