Developer of iPhone and iPod Touch titles Angry Mob Games just released a new game-play trailer of their upcoming top-down shooter Guerrilla Bob.

The video shows many of the new enemies, power-ups and weapons upgrades.  The video also presents the unique environments and bosses in the game.

Guerrilla Bob differs from the ordinary shooters, because it features complex elements never before seen on any iPhone or iPod shooter game. Endless waves of enemies and structured level design plus various challenges are just the beginning.