BUG REPORT: The pop-up menus don't stop you from being able to click on the board, so when you want to save a board and switch to the next puzzle, you keep accidentally clicking on the board when selecting the buttons on the menu.
It's been six months since the Kickstarter reached its funding goal. Since then, all they've published is repeated apologies for the delays, with no explanation other than "technical difficulties."
SURGEON GENERAL'S WARNING: Attempting to defeat Level 29 on the enhanced-difficulty mode can induce the following symptoms: Fist-shaped holes in monitors; monitor-shaped holes in windows; forehead-shaped dents in walls; and a compulsive urge to play every I Wanna Be The Guy fangame ever made.
YESSSSSSSSS!!!!!! The first person EVER who noticed that! (or was at least the first vocal about it) Bravo!