Upgrades can be applied to your tank to increase its armor,shell damage,speed etc.
After the 5.0 update, upgrades apply to all tanks.
- Armor- thicken your tanks armor
- Shells-increase you tanks shell damage and speed
- Mines-increase you tanks mines quantity
- Gun Sight-see further distances
- Loader-reload shells quickly
- Mechanic-Repair your tank faster (heal)
- Aircraft-more powerful, faster bombers which cover more area. Air strikes have to be bought in supplies store.