Optimizations — test_project Steam update #1173843

Changes in this update:Now automatically saves when completing a level or changing settings5-3: Now displays a small hint after staying in the level for 30 seconds8-4: Reduced required waiting time7-4: Reduced mouse movement speed*Level numbers are in "row-column" format, in order from top to bottom and left to right, starting from 1.For example, "3-6" is the 3rd row and 6th column on the level selection screen, independent of the level unlock order.