Wiki
Hydrogen - Stamp Decreaser
Atom
World 3
Effect
Every day you log in, the resource cost to upgrade a stamp's max lv decreases by 1% up to a max of 90%. This reduction resets back to 0% when upgrading any stamp max lv.
Cost for this level: 2
Details
Base max level
20 (raised by the Isotope Discovery superbit, the Atomic Potential compass upgrade and the Higgs Boson event shop bonus)