- This Category is for Tanks in the original Diep.io. For Arras.io equivalent, see Category:Arras Tier 3 Tanks.
These are the tanks that upgrade from the Tier 2 Tanks (The only exception being the Smasher, as it’s derived from a Tier 1 Tank). They are available at level 30.
Pages in category "Tier 3 Tanks"