Saber Interactive's four-player co-op shooter runs on the Swarm Engine, which pours hundreds of zombies down stairwells and lets them climb over each other into living ramps. The Aftermath release of 21 September 2021 folded in first-person mode, the Vanguard class and two extra episodes set in Rome and Kamchatka. Eight classes, a three-tier weapon system and difficulty steps that run up through Extreme, Insane and Extinction sit on top of missions that take roughly 25 to 40 minutes each.
World War Z features distinct areas with increasing difficulty. This guide covers every major location in progression order: what to do, what to get, and when to move on. For the step-by-step path, see our walkthrough.
Area Progression Order
| Order | Location | Difficulty | Key Rewards | Recommended Role |
|---|---|---|---|---|
| 1 | New York | Any difficulty, comfortable from class level 1 | Early weapon unlocks, first class levels, safe practice against Bulls and Lurkers | Hellraiser |
| 2 | Jerusalem | Recommended class level 5 and up | Sniper and battle rifle practice, wide fortification positions, high special zombie density | Hellraiser |
| 3 | Moscow | Recommended class level 10 and up | Close-quarters weapon experience, tight defence phases, heavy Lurker spawns | Gunslinger |
| 4 | Tokyo | Recommended class level 15 and up | Exterminator and Slasher progression, vertical fights, Gasbag-heavy encounters | Gunslinger |
| 5 | Rome | Recommended class level 20 and up | Aftermath-only progression, Vanguard shield practice, the largest defence phase in the campaign | Gunslinger |
New York: Starting Area
The opening episode, running through Manhattan streets, a subway and an apartment block toward a rooftop evacuation. Sightlines flip between long avenues and cramped stairwells, which makes it the best place to learn how pyramids form.
| Attribute | Detail |
|---|---|
| Difficulty | Any difficulty, comfortable from class level 1 |
| Key Rewards | Early weapon unlocks, first class levels, safe practice against Bulls and Lurkers |
| Recommended Role | Hellraiser |
| Key Weapons | Keris V10 Advanced SMG |
What to Do Here
- Learn the basics of Swarm Engine zombie pyramids. This is where you practice without heavy punishment.
- Collect starting resources and your first weapons upgrade.
- Clear all main content before moving to Jerusalem.
- If you're struggling, read our beginner's guide.
Jerusalem: Early Game
Rooftops, market alleys and a long descent through the old city, with more open ground than New York offers. Zombies pour over low walls from several directions at once, so fortifications need to face outward rather than down one lane.
| Attribute | Detail |
|---|---|
| Difficulty | Recommended class level 5 and up |
| Key Rewards | Sniper and battle rifle practice, wide fortification positions, high special zombie density |
| Recommended Role | Hellraiser |
| Key Weapons | Keris V10 Advanced SMG |
What to Do Here
- Focus on mastering Eight classes with perk trees. It's critical from this point on.
- Farm for Keris V10 Advanced SMG if you don't have it yet.
- Complete all objectives for maximum rewards.
- Prepare for the difficulty spike in Moscow.
Moscow: Mid Game
Snowbound streets, an underground metro section and a set of interior holds with very short sightlines. Shotguns and submachine guns outperform rifles here, and Screamers hidden in the metro tunnels punish sloppy pushes.
| Attribute | Detail |
|---|---|
| Difficulty | Recommended class level 10 and up |
| Key Rewards | Close-quarters weapon experience, tight defence phases, heavy Lurker spawns |
| Recommended Role | Gunslinger |
| Key Weapons | Keris V10 Advanced SMG |
What to Do Here
- This is the main skill check. Bring an optimized build.
- ARK-103 Assault Rifle becomes accessible here. Prioritize getting it.
- Master Weapon tiers and Advanced User for the boss encounters.
- Check our boss guide if you get stuck.
Tokyo: Late Game
Dense urban blocks and interiors where the horde reaches you from stairwells and windows simultaneously. Fire builds shine because the corridors are narrow enough that a single Molotov blocks an entire approach.
| Attribute | Detail |
|---|---|
| Difficulty | Recommended class level 15 and up |
| Key Rewards | Exterminator and Slasher progression, vertical fights, Gasbag-heavy encounters |
| Recommended Role | Gunslinger |
| Key Weapons | ARK-103 Assault Rifle |
What to Do Here
- Full build optimization is expected by this point.
- ARK-103 Assault Rifle should be your primary, fully upgraded.
- Special zombie roster mastery starts mattering here.
- Farm resources for the push into Rome.
Rome: Endgame
Added with Aftermath, this episode ends in a last stand around Vatican City with some of the largest single swarms in the game. Ammunition management decides the run, which is why a Fixer is close to mandatory on the higher difficulties.
| Attribute | Detail |
|---|---|
| Difficulty | Recommended class level 20 and up |
| Key Rewards | Aftermath-only progression, Vanguard shield practice, the largest defence phase in the campaign |
| Recommended Role | Gunslinger |
| Key Weapons | ARK-103 Assault Rifle |
What to Do Here
- This is endgame. Best-in-slot gear and a perfected build are mandatory.
- See our boss guide for endgame fight strategies.
- The reward loop: clear content → upgrade → push harder content.
- Experiment with Vanguard for variety once you've mastered the meta.
Exploration Tips
- Clear areas in order: New York → Jerusalem → Moscow → Tokyo → Rome. Skipping areas means missing resources you'll need later.
- Check every corner: Hidden caches and secrets are often in non-obvious locations.
- Match your weapons: Some areas favor different weapons types.
- Read the walkthrough: Our walkthrough provides exact progression milestones for each area.
- Don't rush: Clearing an area fully gives more resources than speedrunning two areas.
More World War Z Guides
- World War Z World War Z Overview
- World War Z Best Builds
- World War Z Tier List
- World War Z Walkthrough
- World War Z Beginner's Guide
- World War Z Tips & Tricks
- World War Z Weapons Guide
- World War Z Combat Guide
- World War Z Boss Guide
- World War Z Crafting Guide
- World War Z Classes & Characters
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