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Mini Wars Tier List

Every Mini Wars building ranked S → D by long-term ROI and current-meta impact. Last calibrated on the Live Build · May 2026 build — re-check after every major update.

Live Build · May 202621 buildings rankedUpdated 2026-05-06
ABOUT THIS TIER LIST

This Mini Wars tier list ranks every buildable structure in the game from S (mandatory) to D (avoid), based on the May 2026 Live Build. Each placement is driven by three hard signals: long-term return on investment per build slot, observed top-board base layouts in active lobbies, and how well the building scales into the late-game economy and conquest phases.

Use this page to plan your next build order. If you are coming from the beginner opening guide, this tier list tells you which slots to fill first. If you are experimenting with one of the Mini Wars strategies, the S- and A-tier list below covers your non-negotiables — the rest is archetype flavour.

How tiers are decided

ROI per slot — every building competes for finite land. We weigh production rate, unlock cost, and ramp time, not nominal output.

Meta fit — does the building enable the current top archetypes (Economy First, Air Rush, Conquest Snowball)? If yes, it climbs.

Late-game relevance — buildings that fall off after Stage 3 cannot earn S, no matter how strong their early curve is.

When the list shifts

Mini Wars is a Live Build game. Patches change building costs, output rates, and unlock conditions without warning. This list is re-calibrated after every shipped update — see the patch notes page for the full version history.

Last full re-calibration: Live Build · May 2026 (2026-05-06).

S

Tier SMandatory

Mandatory. Skipping these is the difference between an early elimination and a top-board finish.

Production · INF-01
Workshop
S

The single highest-impact early-game purchase. Each Workshop adds a builder, accelerating every other building on your base — including military structures during wartime. Skipping it is the most punishing beginner mistake in Mini War.

Production · INF-02
Storage Center
S

The hidden multiplier. Auto-collects from every factory in radius, removing the click tax that bleeds time from new players. A Storage Center inside a tight factory cluster is worth more than a second factory.

Military · MIL-05
Air Base · Black Hawks
S

Black Hawks from the Air Base are the strongest mid-game offensive unit in the current build. Two Air Bases plus two Missile Launchers is the canonical conquest composition.

Military · MIL-06
Missile Launcher
S

The other half of the meta combo. Long-range damage that turns an air strike from a skirmish into a real conquest. Run them in pairs — one alone gets sniped before payoff.

Economy · ECO-08
Nuclear Reactor
S

The mid-late economy milestone. Reliable, dense passive income at a small footprint. Two Reactors plus a Data Center is the late-mid econ skeleton of every winning run.

Economy · ECO-09
Data Center
S

Pairs with the Nuclear Reactor to smooth income variance. Eats civilians in exchange for steady cash output, removing the Market timing tax once you scale.

Economy · ECO-MAX
Black Hole Generator
S

Endgame trophy and the highest income source in the game. Most lobbies end before anyone finishes one — but if you do, you have effectively won.

A

Tier ACore

Core. Always worth the slot. The backbone of every successful build order.

Resource · ECO-03
Carrot Farm
A

The single biggest income upgrade of the early game. Replace your Wheat Farms with Carrot Farms the moment a slot opens — never stack both.

Population · POP-01
Houses
A

The silent backbone. Civilians staff every factory you own, and Houses cap your civilian growth. Skipping Houses caps your entire economy — but they do not directly print money on their own.

Utility · BUF-02
Soldier Statue
A

Free damage multiplier on every nearby military unit. Mandatory in any defensive cluster, easy to overlook in the build menu.

Utility · BUF-01
Worker Statue
A

Flat speed buff for every worker in radius. One placed at the heart of your industrial zone is worth its slot, every time.

Utility · MKT-01
Clerk's Shop
A

Mandatory by definition — your only sell point. Tier reflects skill ceiling: timing the Market well at the Clerk's Shop is a meaningful multiplier on every other building you own.

Military · MIL-01
Barracks
A

Dual-purpose and quietly indispensable: produces civilians on a passive timer (the real backbone of your population) and trains soldiers when war breaks out. Skipping the Barracks does not just delay your military — it caps your entire economy.

Production · IND-04
Oil Rig
A

Mid-tier industrial unlock that gates your late-game military depth. Oil sells reasonably on the Market, but its real value is as the upstream input for advanced units. Skipping it caps how many Air Bases you can sustain at once.

Production · IND-03
Steel Mill
A

The chain step between civilian industry and military production. Without a Steel Mill, your military caps out at Barracks and Border Towers. One per stable mid-game economy is the floor.

Defense · DEF-02
Bunker
A

Hardened defensive structure that garrisons soldiers and absorbs significantly more damage than a Border Tower. The difference between losing your civilians on the first raid and watching the attacker break themselves on your perimeter.

Methodology

How this Mini Wars tier list is calibrated

Tiers blend three signals: long-term return on investment per build slot, observed top-board base layouts in active lobbies, and consensus from the beginner-to-advanced strategies on this wiki. Tiers shift when the developers ship balance updates — re-check after every Live Build refresh.