Developer posts and news about this game.
There was a small bug where you had click on the "Next Level" button after finishing the level to unlock the new level The Next Level is now unlocked automatically after the player completes the level
Fixed Steam achievements related to death Players will only get the achievement once they have died the required amount of times
Bug Fixes Level #42 Leaderboards has been fixed (Previously not working) Unlocking the Skin 7 in the game previously bugged has been fixed
Fixed the Level Menu Levels were previously all unlocked (which was not intended) Now the Levels need to be unlocked (as intended)
Bug where all levels were unlocked is fixed. Players will need to sequentially unlock levels