21點 - 黑傑克
Adventure AppStudio
Madfut 21
Madfut
21 Smash
Baca Mihelich
二十一點 21
Maple Media
Dogefut 21
Five Dragons Games
Blackjack 21
California Games
STUDIO 21
Европейская медиагруппа
Norri Stockholm
Dunia 21
Zero Studio Inc.
Base 21
3rd Born Games