When i started this game. I thought i was dreaming. They're is a lots of evolve, a lots of cool events, a lots of things. They're is of everything. Mass units and not any lag. Cool story and funny character who is not stupid each other but got a brain. I see no problem, this game is perfect. You can play with your hand or just playing while reading a book
How to get x1000 combos... Finish all other trophies to get +9 skill points, start new game, don't move, up weapon, shoot everything and get 2 millions points in lvl 2 è_é"
This is a bit too easy...
Repair the car while reloading
Each wawe use all your weapons (don't forget to 1-2-3-4-5-6-7-8-9)
When you had kill every last zombies reload all your weapons
Upgrades
First : XP
2nd : Money
3rd: Life Regen (to reload while repairing the car)
4th : Accuracy
5th : Reload
6th : Repair (You can do it earlier if u resist enough fine)
Hard !:
Start with 2 laser turret
Upgrade ultragun damage x2 and fire rate x1
Upgrade Repair bay : Max Drone
Max Ultragun damage and fire rate
Max repair bay drone repair
Buy 2 another laser turret and evolve all laser turret damage 2x
Evolve Laser turret Dmg and Range + fire rate to max
Evolve Fighter bay :1st hp , 2nd max number of fighter, 3rd 2x dmg
Buy another fighter bay and do same thing
Do everything u want u will easy win now