Select the stage by a keyboard or a joystick.
- Movement
- Arrow / Num / [WASD] / Joystick
- Hold an up key to increase speed.
- Shot
- [Z][L-Ctrl][.] / Trigger 1, 4, 5, 8
- Charge shot
- [X][L-Alt][L-Shift][/] / Trigger 2, 3, 6, 7
- Hold a charge shot key to charge energy. A charge shot is released when you release a key. A charge shot penetrates enemies and wipes out bullets. A score multiplier is increased according to a number of destroying enemies and bullets. A charge shot acts as a regenerative break.
- Pause
- [P]
At the title screen, select a grade(Normal, Hard, Extreme) and a starting level. Press a shot button to start a game. Press an escape key to quit a game.
Drive a ship forward and destroy enemies. When time runs out, game is over.
Remaining time is displayed at the left up corner. Remaining time varies according to events:
- Ship was destroyed(-15 sec.)
- You ship is destroyed when it is hit by a bullet.
- Bonus time(+15 sec.)
- You can earn bonus time when you reach a certain score. The point you have to get is displayed at the right up corner.
- Destroy the boss(+30 or 45 sec.)
- The boss enemies appear when you destroy or overtake a certain number(displayed at the left down corner) of enemies, and you can earn bonus time by destroying them.
- These command line options are available:
-
- -brightness n
- Set the brightness of the screen.(n = 0 - 100, default = 100)
- -luminosity n
- Set the luminous intensity.(n = 0 - 100, default = 0)
- -res x y
- Set ths screen resolution to (x, y).
- -nosound
- Stop the sound.
- -window
- Launch the game in the window, not use the full-screen.
- -reverse
- Reverse a shot key and a charge shot key.
- Some options can be specified on the Terminal.app:
/Applications/tt.app/Contents/MacOS/tt -window -nosound