Pac-Man
Pac-Man and ghosts. All three avoid the cursor a bit and eventually return to their original position.
Since I didn’t implement infinite particle lifetime yet, they’ll probably disappear after exactly 7 days of uninterrupted running.
Project files for anyone who is interested: https://drive.google.com/open?id=1ON3TkYdND7vPEEs99_PaqpGNoig0UcVb
UPDATE 15.07.18: Used new emission limit from latest patch to make the trail smooth and not flicker so much.