expect glitches rainbow spikes cause 5 damage but are slow and spawn every idk brown spikes do 1 damage and are normal speed and spawn every 0.2 seconds red spikes do 3 damage and are very fast and spawn every 0.4 seconds the pink hearts heal 1 heart and spawn every 2 seconds and if you already have 10 hearts you will not heal nor will you get more aswd or arrow keys down arrow or s to boost