Chess Tactic Puzzles
TIMLEG
샹치
Gnik Box
Chess Tactics Pro (Puzzles)
LR Studios
Chess Tactics for Beginners
Chess King
iChess - Chess Tactics/Puzzles
MyChessApps.com
Elementary Chess Tactics 1
Шахматные задачи, тактика
Andrew Zahalski
Pin Tactic
Griffon Game
CT-ART 4.0 (Chess Tactics)
Chess Tactics in Caro-Kann