Avoid the bigger circles and eat smaller circles. You only have three lives, don't waste them. Try to get as big as you can and try to break your own record or the global record. It starts out slow but it gets faster. Best if played in full screen
The main difference in version 2 is the speed goes faster as your score increases. Best if played in full screen. Play the original version here: https://scratch.mit.edu/projects/379316280/ Tell me if you see any bugs, I will try to fix.