1. Reduce minecart damage to allies and increase damage to zombies.
2. Decrease the firing rate of bullet traps but increase their per-shot damage.
3. Lower the difficulty to unlock new units.
4. Significantly buff the damage of suicide Demolitionist.
5. Slightly increase the Tesla Trooper's pulling force.
6. Change Commander Lyla's starting ability to "Field Medic."
7. Nerf Commander Hawk’s explosion radius.
8. Reduce enemy HP in the first level.
1.1.0 Update
Source: Steam Community (opens in a new tab)