Makao

Two games in one three-dimensional world. A popular game of beating crystals and a Makao card game. During the game of Makao, the player is informed about the possible placement of the card, even if you do not know how to play Makao, you will quickly learn. The crystals are knocked together in three or more places by moving them to the right place. Dark-purple crystals knock down all of one colour. 

Game tested on Linux Mint and Ubuntu and Windows 10.
To play on Linux it requires a libopenal-dev library.