diff --git a/packages/game-engine/src/systems/market/developerEcosystem.ts b/packages/game-engine/src/systems/market/developerEcosystem.ts
index e690b69..de8a0c8 100644
--- a/packages/game-engine/src/systems/market/developerEcosystem.ts
+++ b/packages/game-engine/src/systems/market/developerEcosystem.ts
@@ -22,6 +22,8 @@ export function processDeveloperEcosystem(
 ): DeveloperEcosystem {
   const updated = { ...eco };
 
+  const eraCap = TAM_BASE_SIZES[era].developer;
+
   const growthRate =
     BASE_DEV_GROWTH +
     apiFreeTierDevs * FREE_TIER_DEV_MULTIPLIER +
@@ -29,8 +31,9 @@ export function processDeveloperEcosystem(
     updated.devRelSpending * DEV_REL_EFFECTIVENESS +
     updated.sdkCoverage * SDK_GROWTH_BONUS;
 
-  updated.communityGrowthRate = growthRate;
-  updated.communitySize = Math.max(0, updated.communitySize + updated.communitySize * growthRate);
+  const logisticDamping = Math.max(0, 1 - updated.communitySize / Math.max(1, eraCap));
+  updated.communityGrowthRate = growthRate * logisticDamping;
+  updated.communitySize = Math.max(0, updated.communitySize + updated.communitySize * updated.communityGrowthRate);
 
   if (updated.communitySize < 10 && apiTotalDevs > 0) {
     updated.communitySize += 1 + apiTotalDevs * 0.1;
@@ -47,7 +50,6 @@ export function processDeveloperEcosystem(
   updated.documentationQuality += (docTarget - updated.documentationQuality) * 0.003;
   updated.documentationQuality = Math.min(1, Math.max(0, updated.documentationQuality));
 
-  const eraCap = TAM_BASE_SIZES[era].developer;
   const communityNorm = Math.min(1, updated.communitySize / Math.max(1, eraCap * 0.1));
   const activeRatio = updated.communitySize > 0
     ? Math.min(1, updated.activeDevelopers / updated.communitySize)