Hartung Game Master

Made in Germany by Hartung in 1990
Has these clones (non-exhaustive):

* Delplay Game Plus, 1991, France. Games for Game Plus can be read with Game Master and other clones, but Game Plus can only read Game Plus games. System and cartridges were sold at a very low price.
* Game Tronic, 199?, France.
* Super Game, 199?, France.