Braindom
Code Creative Technology
Brain Who?棘手謎題測試
Teos Oyun
Riddle Master
Ruby Games AS
布萊恩 :腦力遊戲測試 - 棘手的思維難題
Matchingham Games
Riddle Time: Tricky Riddles
Fun developer
Mind Games
Mindware Consulting, Inc
Who is Killer
KobGames
Who is Alien
1SOFT
Kim Arıyor
gradSoft
Brain Workout Trainer