My god! this is a reskinned version best fiends on android. Zero origial thought prossces have been add beside: bugs -> birds and slugs -> boars. Good job copying their work, tip for you next game, shoot bugs form a gaint sling to break walls and kill slugs...
This game is kinda lame, you simply race trough a level to beat a time score, no special stuff like death traps, moving object etc. though I only completed world one, I got board after that.