Essential for end-game boss scaling where health reaches billions. Michishibo & Spider Boss
Developers increased the banner appearance rates for "loved" units like Idol to make them more accessible to the player base.
The on March 21, 2026, introduced several mechanical and quality-of-life changes to the OG ASTD:
Several units, including Mr. Green (Enraged) and Nominated Female Giant , were removed from the banner and made tradeable, while others like Masked Trapper are now non-tradeable.