icon.xcf, icon.png, 
icon48.png incorporates assets from Johannes Sjölund (wulax) and Daniel Eddeland (daneeklu), both licenced using GPL v3 + CC-BY-SA 3.0


bugspawn.png,
bug_1.png,
bug_1_death.png,
bug_2.png,
bug_2_death.png,
bug_3.png,
bug_3_death.png,
bug_4.png,
bug_4_death.png, incorporates assets from Stephen "Redshrike" Challener. Licences: GPL v3 + CC-BY-SA 3.0


attackicon.png, incorporates assets from Artur Reterski, Licences: GPL v3 + CC-BY-SA v3