Index: binaries/data/mods/public/maps/random/rmgen/placer/centered/ChainPlacer.js
===================================================================
--- binaries/data/mods/public/maps/random/rmgen/placer/centered/ChainPlacer.js
+++ binaries/data/mods/public/maps/random/rmgen/placer/centered/ChainPlacer.js
@@ -39,7 +39,7 @@
 	let failed = 0;
 	let count = 0;
 
-	let gotRet = new Array(size).fill(0).map(p => new Array(size).fill(-1));
+	let gotRet = new Array(size).fill(0).map(p => new Int8Array(size).fill(-1));
 	--size;
 
 	this.minRadius = Math.min(this.maxRadius, Math.max(this.minRadius, 1));
Index: binaries/data/mods/public/simulation/components/TerritoryDecay.js
===================================================================
--- binaries/data/mods/public/simulation/components/TerritoryDecay.js
+++ binaries/data/mods/public/simulation/components/TerritoryDecay.js
@@ -8,7 +8,7 @@
 TerritoryDecay.prototype.Init = function()
 {
 	this.decaying = false;
-	this.connectedNeighbours = new Array(Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager).GetNumPlayers()).fill(0);
+	this.connectedNeighbours = new Uint32Array(Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager).GetNumPlayers());
 	this.territoryOwnership = !isFinite(+this.template.DecayRate);
 };