Starglider 1 (PC)
Slow down your ship completely, and press F1 for fixed sights. Press BACKSPACE to pause the game and type 'js arg s'. You should now be invincible, and your fuel and shields will never deplete. Press 'P' for more missles. To enter the secret object viewer, press 'z'. Then press 'p' to pause. Select [, and .] and manipulate objects. You can use all keys but 'q' and 'ESC'. Use the mouse to change point of view, or magnification with right mouse button.