I like visuals. After I finished the wave 1, the AWSD have changed direction and I couldn't move the character propertly anymore.
Hi, yes that's intentional, every round you get poison in a different form. There are 4, Poison, Disorientation, Slow, Blindness. These perks are random and can be combined at higher levels.
Ohh, that's make very hard.
You can see it at the left top bar.
