Just finished this port of Commander Keen "Commander Keen in Goodbye Galaxy!" to the Teeny4.1 microcontroller. It runs natively with save support, USB Xbox 360 input and Genuine OPL ADLIB audio synthesis with a Yamaha YM3812.

It supports all 3 games with the Goodbye Galaxy series


Video here (watch with audio ): https://imgur.com/poqZm4b

Click image for larger version. 

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