Numbers & Letters achievements

Successfully solved 20 letter puzzles in one game session in 5 minutes

Successfully solved 12 equations in one game session in arcade mode easy difficulty

Successfully earned all arcade time achievements

Successfully achieved the master rank in arcade, time trial and survival modes

Successfully earned all survival mode difficulty achievements

Successfully solved 50 letter puzzles in one game session in survival mode

Successfully solved 25 letter puzzles in one game session in survival mode

Successfully solved 12 letter puzzles in one game session and completed level in arcade mode in under 4 minutes

Successfully solved 12 equations in one game session in time trial mode medium difficulty

Successfully solved 15 letter puzzles in one game session in 5 minutes

Successfully solved 12 equations in one game session in arcade mode hard difficulty

Successfully solved 20 equations in survival mode hard difficulty