The concept is funny (Antman haha) and the execution is pretty solid. It feels very good to play and the particle and screen effects add so much juice to it. The art style is just fantastic.
Half of the times, getting inside the head of a robot just doesn't want to work, maybe it's something about collisions. The layout of the head of the robots gets repetitive and I think it would be better if the components had randomized positions, although the repetition makes you enter a trance where you smack those robots without holding back.
Nice work!