Ashes of the Singularity II Campaign Walkthrough

A spoiler-light walkthrough for the 10-mission Ashes of the Singularity II campaign: mission pacing, difficulty spikes, achievements and army tips.

Last Updated: 2026-11-11

The Ashes of the Singularity II campaign is ten missions played from the UEF perspective. It is not a tutorial in disguise: the later missions assume you understand Logistics, Power and anti-air. This walkthrough covers the pacing, the known difficulty spikes and the achievements tied to mission completion, without spoiling the story beats.

The official store page confirms ten missions and a UEF campaign. Hands-on reports put each mission at roughly 30–40 minutes, so the full campaign is a 6–8 hour commitment.

UEF forces advancing across a campaign map
UEF forces advancing across a campaign map

Spoiler-light

This page covers mission structure, difficulty and achievement pacing, not story beats.

How the campaign is structured

The first nine missions are UEF against PHC. The story premise is that the PHC has moved onto the Moon, and the UEF campaign is the response. Mission objectives alternate between attack and defense, and the maps grow from a small tutorial-sized battlefield to large multi-front battles.

Mission 2 completes the Welcome to Earth achievement. Mission 6 completes We're Not in Kansas. Those are the only two mission-name mappings confirmed at launch; the rest of the 35 achievements are hidden in the Steam client, so do not trust any list that claims to name them all.

Missions 1–3: the tutorial arc

The opening missions teach the economy. You will be given a base, a starting army and a simple objective. Use this section to practice three habits:

  • Build extractors before production.
  • Capture the neutral regions around your base.
  • Keep your starting army alive instead of throwing it at the first turret.

Mission 2 is where Welcome to Earth unlocks. If you are chasing achievements, complete it on any difficulty; difficulty does not gate the achievement.

Do not rush the early missions. The campaign's difficulty curve is back-loaded, and the habits you build here are the ones that carry you through mission 8.

Missions 4–6: the first real fights

Mission 4 is the first mission where the AI can punish a bad composition. Expect PHC vehicles and static defenses. Build a mixed army with anti-air, and do not rely on Rifle Squads alone.

Mission 6 completes We're Not in Kansas. By this point you should have a Titan in production and a second production building. If you are struggling, the problem is usually economy, not unit choice: check that every region you own has extractors and that your Refinery is boosting the right region.

The campaign's friendly AI is not reliable. Community reports describe allied forces losing ground if you ignore them. Treat your allies as a distraction, not as a second army.

Missions 7–9: the difficulty spike

This is where most players hit a wall. The AI begins sending experimental gunships and heavy units at your headquarters, and a ground-only army cannot stop them. The fix is anti-air, and lots of it:

  • Build two dedicated anti-air units per ten line units.
  • Keep anti-air behind the line so artillery cannot remove it.
  • Add turrets around the HQ, but do not rely on them alone.

Several players report that the spike feels abrupt compared with the first five missions. If a mission feels impossible, lower the difficulty for that mission and come back later; the campaign does not lock achievements behind difficulty.

Mission 10: the finale

The last mission is a large battle with multiple objectives. The practical advice is the same as any late-game skirmish: secure income, cap Logistics, build the strongest army you can afford and attack the production buildings rather than the army. A campaign AI will keep rebuilding units as long as it has production; remove the production and the army stops.

Difficulties and achievements

The campaign can be played on the standard difficulty settings, and the AI in skirmish runs from Trainee to General. The achievement data shows a steep drop-off:

Achievement Global unlock rate
Campaign_01 57.6%
Campaign_04 14.4%
Campaign_08 2.3%

Only 2.3% of players reached mission 8 at launch. That is not because mission 8 is unbeatable; it is because the campaign is long and the difficulty spikes. If you are in the top few percent who finish it, you have completed the hardest content the game currently offers.

Campaign tips that transfer to multiplayer

The campaign teaches three things that matter online:

  1. Region economy. Every mission is won by income, not by a single army.
  2. Anti-air discipline. The AI's air pushes are a preview of what a human will do.
  3. Production sniping. Killing buildings is faster than killing armies.

If you want to practice multiplayer without ladder anxiety, replay mission 7 or 8 with a self-imposed rule: no super units. It forces you to win with composition and economy.

For the next step, read Ashes of the Singularity II Beginner Guide: First 20 Minutes→.

FAQ

How many missions are in the campaign? Ten missions, played from the UEF perspective.

How long does the campaign take? Roughly 30–40 minutes per mission, so 6–8 hours for a full playthrough.

Can I change difficulty mid-campaign? The campaign offers difficulty settings, and the achievement data does not suggest that completion is gated behind a specific difficulty.

Sources

Official source: Ashes of the Singularity II on Steam ↗

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