Publisher information:
Electronika, also called elektronika, (in russian Электроника) was founded in Russia. They started manufacturing calculators in 1968.

Electronika manufactured electronic devices in factories belonging to the Soviet Ministry of Electronic Industry.

It published some handheld games (mostly clones of other publishers like Nintendo). Several titles are in russian, so named need to be guessed without a proper translation.

Published games:

Series 1

Series 2