Best upgrades

Here’s a list of powerful upgrades you should have on your zombie characters. You might have different opinions and I haven’t unlocked every upgrade, but I got a lot, but anyway.

Low life: It’s perfect for staying alive in fights.

vampiric: same story

adrenaline rush: Perfect for getting around quickly

super savior: it’s good for all of the support classes except engineer. It allows you to use abilities while reviving, so you can heal, use zelixir, and become invulnerable so you can keep reviving.

Rapid Fire: It is really good for improving solider’s rate of fire and makes him really good mid range.

Sticky: It can blind and slowly damage on opponent and it’s almost a game winner if you manage to hit a stink cloud.

Ammo thing a bob: It’s decent overall and it doesn’t hurt to have.

ranger: same story

mech hunter: For getting mech quicker and is really good combined with impaka 

Extra special: he shield with super ultra ball is excellent.

Fallback plan: You can around way quicker with hyper jump

ultra combo: allows you to take down most classes in a combo

leg day: it can allow you to get out of a bad situation with dynamite dodge and it’s excellent for it’s cost

critical tag: You can tags super quickly without hassle.

huntsman: tags are also got more quickly with this.

deliberated: Perfect for a quick recovery in the middle of a fight.

Scuttle shot: It's pretty overpowered since it can be used to mess up an opponents aim and get them out of your sniping spot.
Plunder: It can get you explosion very quickly.
Applying pressure: Good for distracting your opponent and messing up their aim
Huge fuse (I think thats the name): It is almost essential for imp punt to be good. It can do 150 damage if it hits directly. It does 50 damage for hitting an opponent with impunt and then it exploded immediatly

Fill the gap: You can get around way quicker, get out a bad situation quickly, and can really allow you to get into fights:
Spin class: It basically allows you to get up football cannon instantly
Feedback loop: It's good if you have bad aim and rely on homing more for space cadet.
Target aquired: It heavily boosts the speed of gravity smash

i will improve on this page, please comment on what you think the best upgrades are 😉