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How it works

Damage

Attack and defence are scaled by current HP. Terrain and city walls boost defence. Use each attacker's retaliation switch to match whether the target can hit back from its position.

Attack order

Every hit changes the next one. The calculator tests every order for up to seven attackers and picks the best match for your goal.

Coverage

Supports multiple fixed-priority defenders, veteran health, defence bonuses, city walls, poison, freeze and optional splash or explode attacks.

Unit skills such as Surprise, Stiff, Poison and Freeze apply automatically. Position-dependent retaliation and splash coverage remain player-set because the calculator does not model the map.

Version

Built for Polytopia v116 · build 2.16.4 · Splash Rework. Last checked August 2026.

FAQ

Does HP affect damage?

Yes. Wounded units deal less damage and are easier to kill.

What counts as a defence bonus?

Forest, mountain, water and city bonuses use 1.5× defence. A city wall uses 4× defence.

What does “Recommended” optimize?

It prioritizes killing the defender, keeping attackers alive, preserving HP and using fewer units.

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