The Rainbow Gem Tank has an octahedronic shape. Inside of the tank, is full of changing colors (from Amethyst, Ruby, Amber, Emerald and Diamond tanks) which is the reason why the tanks called the rainbow gem tank. There are black metal outlines surrounding the tanks, and the top is purple.
|Coins||Rusted Tank • Steel Tank • Eco Tank • Industry Tank • Barrel Tank • Water Tank • Duck Tank • Neon Tank • Bighead • Rainbow Neon Tank|
|Gems||Crazy Tank • Coil Tank • Lava Tank • Acid Tank • Diamond Gem Tank • Emerald Gem Tank • Ruby Gem Tank • Amber Gem Tank • Amethyst Gem Tank • Rainbow Gem Tank • Vaporwave Tank • Oof Tank • Lava Sword • Acid Sword • Rainbow Sword|
|Exclusives||Flood Sword (VIP) • Festive Tank|