It’s a pure ASCII and MIDI game.
The visual part is composed of normal text, and sound is rendered from MIDI notes.
SPECIAL VISUAL - All planes are drawn with text, and can be broken to fragments after getting shot. The game also contains many special ASCII artworks.
INTERACTIVE MUSIC - Music is auto-generated following the game progress, such as HP of each enemy. You will always hear different music every time, according to the order of your shooting.
MORE INSTRUMENTS - You can switch to different instrument at any time with the “Menu->Inst.” option in the game, instruments are numbered according to the MIDI standard, the default instruments is a electric guitar numbered No.26.