Complete the tutorial.
Complete all four boards.
Complete ten 5 x 5 boards.
Complete ten 6 x 6 boards.
Complete ten 7 x 7 boards.
Complete ten boards of any size.
Complete ten 8 x 8 boards.
Cheers from Q42 - the team behind 0h n0 :)
Complete 100 boards of any size.
Back out boards a lot.
"Help" a poor blue dot that got itself completely locked in.
Thank you for wanting to share 0h n0 with your friends!
Complete a 5 x 5 board without using a single hint.
For those who can't decide whether to toggle the locks on or off...
Complete a 6 x 6 board without using a single hint.
Complete a 7 x 7 board without using a single hint.
Complete a 5 x 5 board without using a single undo.
Complete a 8 x 8 board without using a single hint.
Complete a 6 x 6 board without using a single undo.
Complete a 7 x 7 board without using a single undo.
Complete a 8 x 8 board without using a single undo.
Complete ten 4 x 4 boards.
Complete ten 9 x 9 boards.
Complete a 4 x 4 board without using a single hint.
Complete 1000 boards of any size.
Complete a 9 x 9 board without using a single hint.
Complete a 4 x 4 board without using a single undo.
Consider 0h n0 worthy of a supporting a $ ;-)
Complete a 9 x 9 board without using a single undo.
For those that try really hard to skip the title screen.