I think that there should be different level robots in the higher rounds like adding the Mk 1 robots in so there is a good mix of enemy types (not only in endless mode)
I would love to see a level in endless mode or even the normal one which is just spammed with like 20 MK 3 archer robots. Rage inducing but funny as hell XD
Nah, man. There have to be level hazards and platforms as well :3 . Imagine if the dev put in a jetpack or jump boost pads or something else for mobility for the platforms and stuff.