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KnockOut! is a tiny and sound-less B&W Arkanoid type of game for very early Macintosh computers. It runs as a desk accessory in a very small window.
KnockOut.sit (3.39 KiB / 3.48 KB)
KnockOut! / compressed w/ Stuffit
Architecture: 68K desk accessory
Runs on any pre-Intel Macintosh
System 1.x - Mac OS 9.2.2
Emulating this? It should run fine under: Mini vMac