diff --git a/engine/match.go b/engine/match.go
index 8dc4a19..5715048 100644
--- a/engine/match.go
+++ b/engine/match.go
@@ -275,7 +275,7 @@ func (mr *MatchRunner) generateMap(gs *GameState, numPlayers int) {
 
 	var primaryRadius, secondaryRadius float64
 	if numPlayers == 2 {
-		primaryRadius = 0.10   // ~2 tiles from center on 40x40 grid (~4 tiles apart)
+		primaryRadius = 0.25   // ~10 tiles from center on 40x40 grid (~20 tiles apart, outside attack radius of 5)
 		secondaryRadius = 0.08 // ~1-2 tiles from center (closer to center for additional cores)
 	} else {
 		primaryRadius = 0.10 // ~5 tiles from center on 50x50 grid