Dual N-Back: Memory Training

Sudoku: Themed Puzzle Game

Flyfox Games

Math Ascension: Times Tables

Pestorosso Games

SumSudoku: Killer Sudoku

Conceptis Ltd.

Sudoku - Math Puzzle Master

Flyfox Games

Math Master Puzzles & Riddles

DivineCode Productions

Classic Sudoku

Studio Goya LLC

Noctie Chess Trainer

Noctie

Kakuro: Number Crossword

Conceptis Ltd.

Killer Sudoku by Sudoku.com

Easybrain

Zen Math Crossword

Spill Games

Sudoku: Classic & Variations

Conceptis Ltd.

Sudoku - Classic Sudoku Game

Digitalchemy, LLC

Brainia : Brain Training Games

First Century Thinking LLC

SocialChess - Online Chess

Woodchop Software LLC

Logic Grid Puzzles: Brain Game

Egghead Games LLC

Erudite: Trivia Games & Quiz

Mioris LTD

Nurikabe: Islands & Walls

Conceptis Ltd.