Gold
The hard currency in this game is Gold which can also be used as a stand-in and can be purchased with real money. Bundles range from $0.99 for 80 to $99.99 for 14,000.
Metal and Supplies
The in-game currency is Metal and Supplies and for players committed to not spending there is a video advertisement option that yields either 200 Metal or 250 Supplies in return for watching a 30-second video. Note: It is random whether Metal or Supplies is offered.
Crates
Similar to games like Clash Royale, Zombie Gunship Survival features four slots for crates which unlock after a certain period of time. For impatient players who do not want to wait for timers to complete there is the option of buying the starter pack for $4.99. The contents of which will be a three-star gatling gun, 500 Gold, and four Elite Crates. Note: 500 Gold alone will cost $4.99 in the store making this an offer worth considering.