Click or space key. Spikes can appear anywhere, but they are innocuous until they reach a certain size, meaning you are able to avoid being harmed, if you're quick to react. Code and "art" by me (@kriblo). Sound effects are from Pac-Man. Inspired by Figure-8 by @bossgta (which in turn was inspired by Running Circles, on the App Store): https://scratch.mit.edu/projects/896253949/