Extreme Optimization Mod - Lite

Extreme Optimization Mod — Lite

⚠ Do NOT enable this together with the full "Extreme Optimization Mod" — pick one.

Same AI/performance/log optimizations as the full version, but with zero changes to unit costs, resources, or equipment stats. If you want the extra FPS from unit-count compression (and don't mind vanilla-cost planes/ships/convoys), use the full version instead.

Compatible with Operation Postern v1.19.2 / v1.19.3.

What's included (identical to the full version)

• Reduced AI computation frequency (front-line reassignment, template/equipment/doctrine re-evaluation, ship refits, naval goal updates, raid target evaluation, diplomacy/trade intervals)

• Front-line reassignment pathfinding evaluates a smaller area per check

• Peace conference no longer re-evaluates subject/ally land shares every turn

• Throttled military production for non-belligerent minor countries (countries actually at war are unaffected)

• Minimum division width (15–18) enforced on AI division templates for every role

• Improved peace conference AI — less puppeting/liberating, more annexation, fewer active country tags after wars

• Reduced graphics/GPU load — bloom, water refraction, and fog-of-war visuals disabled; border repaint, map icon grouping, and raid icon updates reduced; dynamic snow/mud painting disabled (3D city model quality is already adjustable in the game's own video settings, so this mod leaves it alone)

• Air combat visual compression: each 3D plane animation instance represents far more real aircraft, so crowded airzones render fewer plane models — purely visual, no stat/cost changes

• Smaller save files — shorter combat/garrison/naval accident log retention, faster cleanup of obsolete division templates

What's NOT included (this is the whole point of Lite)

• No x8 cost/stat compression on planes, ships, or convoys

• No change to air base capacity or the AI's target plane/ship counts

• No change to convoy supply requirements

• Unit and resource balance stays 100% vanilla

Notes

• A new campaign is recommended.

• This version shares several files with the full version (defines, ai_templates, ai_strategy, peace_conference) — if you have both active, the launcher will flag a file conflict. Use only one at a time.

Multiplayer & Ironman

• This mod edits core engine AI defines, which changes the game's checksum — every player in a multiplayer lobby must have it installed.

• Not compatible with Ironman or Achievements.

• Recommended: keep this mod at the bottom of your playset so nothing else overrides its files.