diff -r c572eb57dd2d -r ca27e4cd15fd share/hedgewars/Data/Scripts/Multiplayer/TechRacer.lua
--- a/share/hedgewars/Data/Scripts/Multiplayer/TechRacer.lua	Thu Jan 10 23:10:20 2019 +0100
+++ b/share/hedgewars/Data/Scripts/Multiplayer/TechRacer.lua	Thu Jan 10 23:16:32 2019 +0100
@@ -695,6 +695,7 @@
 	else
 		MapGen = mgDrawn
 	end
+	MapFeatureSize = 12
 
 	if mapID == nil then
 		mapID = 2 + GetRandom(7)