via http://www.aep-emu.de/

Commander Genius is an interpreter for the Commander Keen Series for Windows and Linux.
It was formerly known as CloneKeen Plus and is based on CloneKeen.

Quote:
changes since last AEP reported release v0.3.3:
v0.3.8 Alpha:
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  • - More Enemies in Galaxy Support
  • - Lots of speed ups
  • - Better Galaxy Support
  • - Better Sound Support

v0.3.5:
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  • - Fixes in the finale of Ep1
  • - Now Rising points dissappear fading
  • - Better Audio read out for Galaxy
  • - Stereo Sound fixes
  • - CalcVisibility is now also used in Galaxy, what make the engine much faster when having many objects

v0.3.4:
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  • - Slugs are smarter and can kill now
  • - Keen can get and use diving suit
  • - Miragia now plays correctly on map
  • - Keen bnow dies correctly and a selection dialog is shown

v0.3.3.4:
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  • - New automation theorie based actions for AI in the Keen Player galaxy structure, for better and faster gameplay
  • - Fixed small issues

v0.3.3.3:
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  • - Now Council Members trigger and make the level exit. Neat!
  • - New Collision Model for Galaxy. Hopefully better especially on sloped tiles. Also that part of the code got smaller
  • - Vertical and Drop Platforms work which will make more levels finishable
  • - Keen now can jump through some tiles and also leave platforms
  • - Now the platforms also move Keen
  • - The Platform AIs have a special directory in the source code
  • - Cheat codes in Galaxy are implemented: God
  • -mode, Jump
  • -cheat, No clipping and get all items!
  • - Songlist of some mods can alternatively be used

v0.3.3.2:
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  • - Thanks to Malvineous IMF Player got a bit faster. He found an interesting slow down in our code
  • - Now switches for platforms and bridges work
  • - Big IMF Bug I discovered has been fixed which produced crashes on some systems
  • - Better Platform code
  • - Some PC
  • -Speaker sound improvements
  • - New CG Core which has a bit less code, is easier to understand, uses more smartpointers and also seems to be a bit faster.
  • - Less graphic glitches in OpenGL Mode

v0.3.3.1:
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  • - Tied up some code!
  • - New Audio System!
  • - New Graphics System!
  • - Fixes in the IMF Player
  • - Audio changes now Keen Galaxy has sounds (also thanks to FCTW for his help!)
  • - Keen 5 Support initial support. (Thanks to furan for his help and cleaning up some code is it!)
  • - Council members, slugs and platforms are in. They don´t work properly yet (Also many thanks to FCTW!)
  • - New Packages are available. Now Windows Installer is shipped and the Deb Packages are updated!