S+ TierAuto MergeTime SaveAuto-combines identical nukes. The single most critical asset for maximizing offline yield and eliminating manual drag-and-drop grinding.Quick Lock CooldownDefenseReduces the 20-minute Base Lock cooldown. Best impulse-buy value in the entire store.S Tierx2 Spawn SpeedTime SaveDoubles the baseline accumulation rate. Mathematically halves time-to-next-tier.x2 Nuke HealthDefenseDoubles HP of every deployed nuke. Ensures high-tier assets survive incoming enemy strikes long enough to be merged or launched.A TierQuick Nuke CooldownOffenseReduces cooldown between launches. Enables aggressive city raid farming.C Tierx2 CashRemovedHistorically doubled all cash generation. Pulled off sale as an anti-inflationary measure.Skip CooldownRemovedBypassed all cooldown timers. Removed to preserve PvP loop integrity.