About:
Enemy Invaders is a clone of the first Arcade hit, Space Invaders '78. This game uses many more moving sprites than breakout, these include the alien invaders, the bombs, the bullets, the occasional UFO, and of course, the gunship itself. Click here to play.
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This is my third game. I tried to capture the arcade experience of Space Invaders as best I could. One interesting thing about this game is that I don't use any external bitmap images. I encoded the sprites and font into the source, and then reproduced them as 3D rectangles. Not only does this make the game entirely enclosed in the source code, but also provides a scanline effect of the old monitors.
Because 3D rectangles are expensive to draw, it emulates the expense the old arcade system had in drawing its sprites. This helps reproduce that unexpected feature ( bug ) we all love when the aliens speed up as their number drops, since the hardware had fewer sprites to blit.