Ah, Commander Keen. The game was cute and all but like many other Apogee games at the time I looked at the EGA-like graphics, listened to the PC-Speaker sounds, played for a little bit and used to think: "Yeah, it's cute, but light-years behind what the Amiga can do".
Not many years later, Doom on a 486DX2@66MHz with an S3Trio SVGA, a Creative Labs Sound Blaster 16 and a CD-ROM drive would bring forth the eminent death of the Amiga...
The PC won the computer wars. The machine with less soul, less character and more compatibility issues ended up winning. Alas...