GAMAtronic Handheld Games (12 listed)
Looks like GAMAtronic was a German distributor of Epoch games, most of the games here seem to be licensed games from them.
Astro Command
BMX Racing
Epoch Man
Fussball-Spiel
Game Computer-II
King Kong Jungle
King Kong New York
Krazy Kong
Mini Pac Man
Monkey Kong
Richman
Woodman