Turn the animation on and off using the switch in the upper left. Clicking the viewer background enables scrolling and zooming with the mouse if on desktop. Note that browser zoom may cause issues with scrolling and zooming. A list of available backgrounds can be found here. For more info on usage, see here.
Gallery[]
Manic Flying Cat's spritesheet
Manic Flying Cat's moving animation
Trivia[]
This enemy's attack used to occur when its crystal flashed, not when its laser was fired. This was fixed in a subsequent update.