The badges spoiled a great game... now the high scores table are stuffed with hacked scores (lol, is overly impossible that so many ppl get 0 continues in insane...), sad...
A classical gun 'n run game... remember me of cannon fooder and up scroll levels of contra... not so hard... but a lot repetitive 3,5/5
Ahn...some survival mode tips:
get powerfull weapons like rocket launcher and homing fast as possible, because in later waves, is difficult to find soldiers
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