Zombie Air Force Zones Guide
Zones are Zombie Air Force's difficulty ladder and its income ladder at once: each zone forward pays better per kill and hits harder per wave. Reading that ladder correctly — when to push, when to farm, and what The Wastelands changed — is the difference between steady progression and an afternoon of failed runs. This guide covers how the zone system works and the push-versus-farm math that keeps Credits flowing.
How the zone ladder works
The game's structure is a sequence of maps, each with its own horde difficulty and payout rate. You take off, survive the wave set, and the further zones along the ladder pay more for the same work — with hordes that chew through underprepared planes. Progression through zones is the core loop the whole game hangs on: earn in one zone, upgrade in the lobby, push the next, repeat. Updates extend the ladder: Update 1 added The Wastelands as the newest, hardest entry, alongside three new planes built to survive it.
The push-versus-farm rule
One rule decides every session: farm the hardest zone you can clear comfortably, and push forward only when the current zone feels easy. The reason is the income metric that matters — Credits per hour, not per kill. A deep zone that stalls or ends your runs pays less per minute than a shallower zone you shred. Failed runs burn boost timers and session time for nothing; comfortable clears compound into aircraft upgrades, which is what actually unlocks the next zone.
The tell that a push is due: your current zone's waves start dying on contact, your banked Credits cover the next aircraft step, and your defensive setup absorbs the odd leak. That is the profile of a player ready to move one rung up — one rung, not three. The ladder punishes skips harder than waits.
The Wastelands: what the new zone changed
The Wastelands arrived with Update 1 and reset the top of the ladder: a tougher horde environment with payouts to match, clearly built for upgraded mid-game and late-game airframes. For pilots still climbing the lower rungs it functions as a horizon, not a destination — the zone you are earning toward, not the zone you start in. For established players it is the new farming benchmark, and the three planes added in the same update are the intended key to it.
The weekly update cadence means the Wastelands will not stay the top rung forever. Every Saturday can extend the ladder, which is why this page — and the updates page tracking what each patch shipped — gets rechecked after every release.
Zone sessions: the structure that pays
Within a farming zone, session structure moves the income needle. Stack your boosts and codes before takeoff so the timers run during play. Fly the horde's densest columns — zone income is splash-damage income, and stragglers are a waste of ammunition time. Keep your ground position alive: zone runs end when the horde breaks through, so the defenses guide's recommendations start mattering exactly when you push a zone one step past comfortable.
And end sessions on banked progress: Credits persist, so there is no penalty for stopping — but the players who advance fastest treat each session as one question. Did this zone get easier? If yes, the ladder is ready to push. If no, one more farm day funds the plane that makes it easy. Zones reward patience more than bravery, and every Saturday gives the patient a new rung to take.