This is a klon of an old platformer for MSX computers, written in Blitzbasic.

More information about the Amiga port can be found here:

http://eab.abime.net/showthread.php?t=106422

Information about the original game:

https://www.mobygames.com/game/msx/kings-valley

Archive:  /home/aminet/aminet_root/doc//game/actio/kings_valley-adf.zip
 Length   Method    Size  Cmpr    Date    Time   CRC-32   Name
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  901120  Defl:N   297537  67% 2021-04-16 09:04 c90dbcfc  kvalley.adf
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  901120           297537  67%                            1 file