20-in-1 [Model YG-008]

20-in-1 © 199? Unknown.

Contains 8 games:
01. 1942 00
02. Baltron 00
03. Astro Robot Sasa 00
04. Bokosuka Wars 00
05. Challenger 00
06. Dough Boy 00
07. Bird Week 00
08. Tank 1990 00
...
and 12 variants until no. 20.