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Updates & events
Version 1.51 There are two significant changes in 1.51: [*]Clicking the back button, pressing the "back" key, or closing the game while the "undo" banner is up will automatically trigger an undo; previously, they caused the puzzle to be reset in some circumstances. [*]There are tips that show up when you start the game. They reinforce important points from the tutorial, and also give some useful i…