Avoid the edges and blobs that are the same colour as you. Turquoise rectangles change your colour. Faint blobs are warning signs. They will soon become fully opaque. The same happens after a colour change.
SOLO! So far, made in like 30-40 mins :) TO DO: -Maybe fix spawn invulnerability -Add custom adjustments. This includes: change invulnerability time (enemy), change invulnerability time (player), change enemy lifetime, toggle bounderies