Preferans
Play-On-Smart
Преферанс
Advance Corp.
Preferans: Online Card Game
CASUAL AZUR GAMES
Brain Fitness Ltd
evvsoft.com
Preference LiveGames online
NanoFlash LLC
President Card Game Online
DonkeyCat GmbH
Regicide Companion
Badgers From Mars
Rocket Pipe Puzzle
MAPU GAMES
Ultimate Preferans