Tier 13

Tier 13 is a type of tier. It unlocks Polonium Cash which can be mined from crystals in the radioactive mine. Each crystal has 150k Durability. Tier 13 unlocks 2 new upgrades which are: Omega Gold Jackpot (gives 100,000,000x more gold and starts at 0.5% chance and increases by 0.5x chance from every upgrade) for 1 Polonium Cash and 2x Money (increases Money by 2x and increases by 2x for every upgrade. For example, the first upgrade would give 2x Money, then the next one would give 4x Money, then 8x Money, etc) for 3 Polonium Cash. The price of each upgrade increases by 1.5x every time. In order to get the next tier, Tier 14, you need 400 SxQa Cash.