Here is the full list of all 6 Pandamonia achievements.
Welcome to Pandamonia!
Collect over 200 enemies' gibs.
Kick 10 soccers or gibs into goalgate.
Kick 30 soccers or gibs into goalgate.
Kick 50 soccers or gibs into goalgate.
Kick 150 soccers or gibs into goalgate.