We've had an update brewing for some time. New enemies were added into the mix. They have a little more health than the original enemies, but shouldn't be too much tougher. We have added more effects into the game as well.
Effects added:
Smoke effect from robot/machine enemies below 50%.
Exhaust effect added to stationary vehicles.
Embers added to burning enemies.
Splash effect added to water impacts.
Rubble/ember effect added to explosions.
Enemies added:
Green droid
Robo-tiger
Robo-wasp
Large Red Mech