Brainia : Brain Training Games

English Crossword puzzle

Crossmath - Number Games

Train your Brain - Attention

Word Riddles - Offline Word Ga

Periodic Table Quiz

Sudoku - Offline Games

Millionaire - Quiz & Trivia

Logicross: Crossword Puzzle

Erudite: Trivia Game & Quiz

Word Bubble Puzzle - Word Game

Math | Riddle and Puzzle Game

Killer Sudoku by Sudoku.com

Crossword Master - Word Puzzle

Calming Crosswords Word Puzzle

Word Piles - Stacks Word Games