Junior Einstein
Einstein's Riddle Logic Puzzle
Rottz Games
Einstein Riddle Island Puzzle
Black Puma Labs
PEAK(ピーク)- 脳トレ
PopReach Incorporated
Eureka - 脳トレーニング
Infinity Games, Lda
Logical & Brain Training Games
Massiana - Educational Games
知能テスト: なぞなぞゲームと論理ゲーム
TrasCo Studios
Elevate - Brain Training
Elevate Labs
Brainia : Brain Training Games
First Century Thinking LLC
Einstein's Relativity
Human Heroes Ltd