In the lower left, there are 2 options. Option 1: Speed Speed can be multiplied from x1 to x10. Option 2: Hardmode In Hardmode, considerably more stars spawn, increasing the amount of clones that you have to dodge. Please note that changing from Hardmode to Normal mode will require a click of the green flag. Also note that hardmode has 40x more stars, and stars won't blink in and out of existence