Multiverse Tower Defense Cash Currency

Cash is Multiverse Tower Defense's primary summon currency earned from story universe completion, daily quests, code redemption, and selling duplicate units. Code MTD grants 100 free Cash after five wins — the fastest early boost.

Spend Cash during 2x Luck events on current event calendar rather than impulse summoning after every story clear. Income Upgrade Tree nodes compound Cash earnings across all future sessions.

Avoid zero Cash situations before boss waves — keep reserve for emergency summons when story difficulty spikes. Track spending alongside Magic Crystals in summon guide.