
1) MacOS game 2) Windows game
Found on
https://www.crosswordclues.com/clue/seiklus

Seiklus is a platform game for Microsoft Windows. It was created by a single author, cly5m, using Game Maker over a period of approximately 6 months. == Overview == Seiklus (Estonian for `adventure`) is a puzzle platform game written on GML (Game Maker Language) with an emphasis on exploration. There is no dialogue or literary exposition of the .....
Found on
http://en.wikipedia.org/wiki/Seiklus
No exact match found.