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Level 7 in Normal mode
Successfully complete sixty puzzles in Normal mode to unlock Level 7.
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Quick fills
Use the following trick when solving a puzzle with a 10x10 grid:
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Level 9 in Normal mode
Successfully complete eighty puzzles in Normal mode to unlock Level 9.
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Level 5 in Normal mode
Successfully complete forty puzzles in Normal mode to unlock Level 5.
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Level 8 in Normal mode
Successfully complete seventy puzzles in Normal mode to unlock Level 8.
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Today's Picross 'Not X' mode
Play Today's Picross at least once a day for three consecutive days to unlock Not X mode in Today's Picross.
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Level 6 in Normal mode
Successfully complete fifty puzzles in Normal mode to unlock Level 6.
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Level 6 in Free mode
Successfully complete fifty puzzles in Free mode to unlock Level 6.
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Today's Picross 'Find' mode
Play Today's Picross at least once a day for seven consecutive days to unlock Find mode in Today's Picross.
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Level 5 in Free mode
Successfully complete forty puzzles in Free mode to unlock Level 5.
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Level 10 in Normal mode
Successfully complete ninety puzzles in Normal mode to unlock Level 10.
