- 6 Solitaire Card Games
- 6 takes!
- 6 tiles in a row: puzzle game
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- 60 Seconds! Reatomized
- 60 squares - Use your head!
- 60 World Countries & Capitals
- 60 Секунд
- 600 Celebs - Celebrity Guess Quiz
- 600 vocabulary
- 6000 Words - Learn Arabic Language for Free
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- 606
- 60sec Math problem solver Quiz
- 63 – puzzle race game
- 64
- 64 - Worlds hardest memory game!
- 64 - Russian Chess Magazine 17/01
- 64 Ways of Being
- 66 - Sixty Six
- 66 Bricks : Master Stacker Build Tower - Fun and addictive need patience physical balance puzzle gam...
- 66 Santase
- 67 Scientific Calculator