Doom Eternal is the most aggressive FPS ever designed. The combat loop forces constant movement and resource management: chainsaw fodder enemies for ammo, glory kill staggered enemies for health, flame belch for armor pickups. Standing still means death. The weapon switching system rewards rapid swapping between the Super Shotgun and Ballista for maximum DPS, creating a rhythm-action feel to combat encounters. Every demon has a specific counter-strategy and exploitable weak point. The Slayer Gates offer optional ultra-hard encounters, and the two DLC campaigns (Ancient Gods 1 & 2) are considered even better than the base game.
Doom Eternal 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 | Hell on Earth | Mission 1 | Core mechanic tutorials, first Slayer Gate, weapon mods | Ballista Swapper |
| 2 | Exultia | Mission 2 | Dash mechanic, aerial combat, Celestial Locator, Sentinel Battery | Ballista Swapper |
| 3 | Doom Hunter Base | Mission 4 | Doom Hunter boss experience, Plasma Rifle shield-breaking mastery | Super Shotgun Main |
| 4 | Mars Core | Mission 9 | BFG-10000 sequence, intense arena combat, story progression | Super Shotgun Main |
| 5 | Final Sin | Final Mission | Icon of Sin boss fight, game completion, Nightmare difficulty unlock | Super Shotgun Main |
Hell on Earth — Starting Area
The opening level set in a demon-invaded city. Teaches glory kills, chainsaw mechanics, and basic weapon switching. The level introduces combat flow in a relatively forgiving environment. Contains the first Slayer Gate.
| Attribute | Detail |
|---|---|
| Difficulty | Mission 1 |
| Key Rewards | Core mechanic tutorials, first Slayer Gate, weapon mods |
| Recommended Role | Ballista Swapper |
| Key Weapons | Ballista |
What to Do Here
- Learn the basics of glory kills — this is where you practice without heavy punishment.
- Collect starting resources and your first weapons upgrade.
- Clear all main content before moving to Exultia.
- If you're struggling, read our beginner's guide.
Exultia — Early Game
A Sentinel fortress level that introduces platforming and the dash mechanic. Exultia's arenas teach aerial combat against Cacodemons and the importance of vertical movement. The Celestial Locator is found here.
| Attribute | Detail |
|---|---|
| Difficulty | Mission 2 |
| Key Rewards | Dash mechanic, aerial combat, Celestial Locator, Sentinel Battery |
| Recommended Role | Ballista Swapper |
| Key Weapons | Ballista |
What to Do Here
- Focus on mastering chainsaw ammo — it's critical from this point on.
- Farm for Ballista if you don't have it yet.
- Complete all objectives for maximum rewards.
- Prepare for the difficulty spike in Doom Hunter Base.
Doom Hunter Base — Mid Game
Features the Doom Hunter boss — a hovering demon with a shield phase and a vulnerable second phase. The Doom Hunter teaches target-specific weapon strategies (Plasma Rifle for shields, SSG for flesh). Three Doom Hunters must be defeated.
| Attribute | Detail |
|---|---|
| Difficulty | Mission 4 |
| Key Rewards | Doom Hunter boss experience, Plasma Rifle shield-breaking mastery |
| Recommended Role | Super Shotgun Main |
| Key Weapons | Ballista |
What to Do Here
- This is the main skill check. Bring an optimized build.
- Super Shotgun becomes accessible here — prioritize getting it.
- Master weapon switching for the boss encounters.
- Check our boss guide if you get stuck.
Mars Core — Late Game
The iconic BFG-10000 level where you fire yourself from a giant cannon INTO Mars. The level culminates in the most intense arena fights in the base game. Mars Core demands mastery of all weapons and movement systems.
| Attribute | Detail |
|---|---|
| Difficulty | Mission 9 |
| Key Rewards | BFG-10000 sequence, intense arena combat, story progression |
| Recommended Role | Super Shotgun Main |
| Key Weapons | Super Shotgun |
What to Do Here
- Full build optimization is expected by this point.
- Super Shotgun should be your primary, fully upgraded.
- Slayer Gates mastery starts mattering here.
- Farm resources for the push into Final Sin.
Final Sin — Endgame
The final level featuring the Icon of Sin boss fight — a massive demon destroying a city. The two-phase fight requires breaking armor pieces then targeting flesh. The arena constantly spawns additional demons, forcing resource management while damaging the boss.
| Attribute | Detail |
|---|---|
| Difficulty | Final Mission |
| Key Rewards | Icon of Sin boss fight, game completion, Nightmare difficulty unlock |
| Recommended Role | Super Shotgun Main |
| Key Weapons | Super Shotgun |
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 Micro Missiles for variety once you've mastered the meta.
Exploration Tips
- Clear areas in order — Hell on Earth → Exultia → Doom Hunter Base → Mars Core → Final Sin. 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 Doom Eternal Guides
- Doom Eternal Doom Eternal Overview
- Doom Eternal Best Builds
- Doom Eternal Tier List
- Doom Eternal Walkthrough
- Doom Eternal Beginner's Guide
- Doom Eternal Tips & Tricks
- Doom Eternal Weapons Guide
- Doom Eternal Combat Guide
- Doom Eternal Boss Guide
- Doom Eternal Crafting Guide
- Doom Eternal Classes & Characters
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