diff --git a/olcCodeJam2023Entry/Unit.cpp b/olcCodeJam2023Entry/Unit.cpp
index 8700cd6..4aae2c5 100644
--- a/olcCodeJam2023Entry/Unit.cpp
+++ b/olcCodeJam2023Entry/Unit.cpp
@@ -212,6 +212,7 @@ RAMBank::RAMBank(PixelGameEngine*pge,vf2d pos,std::vector<std::unique_ptr<Render
 	allocatorManager.colText = olc::WHITE;
 	allocatorButton = new QuickGUI::ImageButton(allocatorManager,*IMAGES[UNIT_ALLOCATOR],{0.5f,0.5f},pos-vf2d{8,48},{20,20});
 	isRAMBank=true;
+	platformStructure=true;
 }
 
 void RAMBank::Attack(Unit&victim,std::vector<std::shared_ptr<Unit>>&otherUnits ,std::vector<std::unique_ptr<Audio>>&SOUNDS){
@@ -314,6 +315,7 @@ std::vector<Memory> _Platform::resourceCost={{HEALTH,6}};
 _Platform::_Platform(PixelGameEngine*pge,vf2d pos,std::vector<std::unique_ptr<Renderable>>&IMAGES,bool friendly,bool moveable)
 	:Unit(pge,_Platform::resourceCost,pos,24,*IMAGES[PLATFORM],CONSTANT::ATTACKER_TARGET_COL,CONSTANT::ATTACKER_ATTACK_COL,friendly,false){
 	isPlatform=true;
+	platformStructure=true;
 }
 
 void _Platform::Attack(Unit&victim,std::vector<std::shared_ptr<Unit>>&otherUnits ,std::vector<std::unique_ptr<Audio>>&SOUNDS){};
@@ -360,7 +362,9 @@ std::string Refresher::unitDescription="Repairs missing bits to surrounding unit
 std::vector<Memory> Refresher::resourceCost={{ATKSPD,3},{RANGE,1},{PROCEDURE,8},{HEALTH,4}};
 Refresher::Refresher(PixelGameEngine*pge,vf2d pos,std::vector<std::unique_ptr<Renderable>>&IMAGES,bool friendly,bool moveable)
 	:Unit(pge,Refresher::resourceCost,pos,24,*IMAGES[REFRESHER],CONSTANT::ATTACKER_TARGET_COL,CONSTANT::ATTACKER_ATTACK_COL,friendly,false
-	,true,false){}
+	,true,false){
+	platformStructure=true;
+}
 
 void Refresher::Attack(Unit&victim,std::vector<std::shared_ptr<Unit>>&otherUnits ,std::vector<std::unique_ptr<Audio>>&SOUNDS){
 	target.reset(); //Doesn't acquire a target.
@@ -393,7 +397,9 @@ std::string Turret::unitName="Turret";
 std::string Turret::unitDescription="Automatically targets attack and movement speed memory ranges before others.";
 std::vector<Memory> Turret::resourceCost={{ATKSPD,4},{RANGE,5},{HEALTH,6},{PROCEDURE,16}};
 Turret::Turret(PixelGameEngine*pge,vf2d pos,std::vector<std::unique_ptr<Renderable>>&IMAGES,bool friendly,bool moveable)
-	:Unit(pge,Turret::resourceCost,pos,24,*IMAGES[TURRET],CONSTANT::ATTACKER_TARGET_COL,CONSTANT::ATTACKER_ATTACK_COL,friendly,false){}
+	:Unit(pge,Turret::resourceCost,pos,24,*IMAGES[TURRET],CONSTANT::ATTACKER_TARGET_COL,CONSTANT::ATTACKER_ATTACK_COL,friendly,false){
+	platformStructure=true;
+}
 
 void Turret::Attack(Unit&victim,std::vector<std::shared_ptr<Unit>>&otherUnits ,std::vector<std::unique_ptr<Audio>>&SOUNDS){
 	if(victim.GetMoveSpd()>0){
@@ -438,7 +444,9 @@ std::string MemoryGuard::unitDescription="Reduces the chance of bit modification
 std::vector<Memory> MemoryGuard::resourceCost={{HEALTH,10},{ATKSPD,4},{RANGE,4},{PROCEDURE,12}};
 MemoryGuard::MemoryGuard(PixelGameEngine*pge,vf2d pos,std::vector<std::unique_ptr<Renderable>>&IMAGES,bool friendly,bool moveable)
 	:Unit(pge,MemoryGuard::resourceCost,pos,24,*IMAGES[MEMORY_GUARD],CONSTANT::ATTACKER_TARGET_COL,CONSTANT::ATTACKER_ATTACK_COL,friendly,false
-	,true,false){}
+	,true,false){
+	platformStructure=true;
+}
 
 void MemoryGuard::Attack(Unit&victim,std::vector<std::shared_ptr<Unit>>&otherUnits ,std::vector<std::unique_ptr<Audio>>&SOUNDS){
 	target.reset(); //Doesn't acquire a target.
@@ -1125,4 +1133,8 @@ Unit*Unit::GetBuildUnit(){
 
 bool Unit::IsRAMBank(){
 	return isRAMBank;
+}
+
+bool Unit::IsPlatformStructure(){
+	return platformStructure;
 }
\ No newline at end of file
diff --git a/olcCodeJam2023Entry/Unit.h b/olcCodeJam2023Entry/Unit.h
index 10cd29a..5451911 100644
--- a/olcCodeJam2023Entry/Unit.h
+++ b/olcCodeJam2023Entry/Unit.h
@@ -103,6 +103,8 @@ public:
 	Marker atkSpd={};
 	Marker moveSpd={};
 	Marker procedure={};
+	bool platformStructure=false;
+	bool IsPlatformStructure();
 
 	std::vector<bool>& operator <<=(const int n){
 		for(int i=0;i<GetMemorySize()-1;i++){
diff --git a/olcCodeJam2023Entry/VirusAttack.cpp b/olcCodeJam2023Entry/VirusAttack.cpp
index 951f85f..116a0e7 100644
--- a/olcCodeJam2023Entry/VirusAttack.cpp
+++ b/olcCodeJam2023Entry/VirusAttack.cpp
@@ -890,9 +890,18 @@ void VirusAttack::CollisionChecking(std::shared_ptr<Unit>u,std::shared_ptr<Unit>
 	if(u->GetPos().y>WORLD_SIZE.y*CONSTANT::TILE_SIZE.y){
 		u->SetPos({u->GetPos().x,float(WORLD_SIZE.y*CONSTANT::TILE_SIZE.y)});
 	}
-	if(u!=u2&&geom2d::overlaps(geom2d::circle<float>(u->GetPos(),u->GetUnitSize().x/2),geom2d::circle<float>(u2->GetPos(),u2->GetUnitSize().x/2))){
+	bool bothAreEnemies=!u->IsFriendly()&&!u2->IsFriendly();
+	float u1Radius=u->GetUnitSize().x/2;
+	float u2Radius=u2->GetUnitSize().x/2;
+	if(bothAreEnemies){
+		if(u->IsPlatformStructure()^u2->IsPlatformStructure()){
+			u1Radius=u->IsPlatformStructure()?u->GetUnitSize().x/4:u1Radius;
+			u2Radius=u2->IsPlatformStructure()?u2->GetUnitSize().x/4:u2Radius;
+		}
+	}
+	if(u!=u2&&geom2d::overlaps(geom2d::circle<float>(u->GetPos(),u1Radius),geom2d::circle<float>(u2->GetPos(),u2Radius))){
 		geom2d::line<float>collisionLine(u->GetPos(),u2->GetPos()+vf2d{0.001,0.001});
-		float maxDist=u->GetUnitSize().x/2+u2->GetUnitSize().x/2;
+		float maxDist=u1Radius+u1Radius;
 		float dist=maxDist-collisionLine.length();
 		vf2d dir=collisionLine.vector().norm();
 		if(u->IsMoveable()||(!u->IsMoveable()&&!u2->IsMoveable())){
diff --git a/olcCodeJam2023Entry/olcPGEX_AudioSource.h b/olcCodeJam2023Entry/olcPGEX_AudioSource.h
index 008cd8e..c53470e 100644
--- a/olcCodeJam2023Entry/olcPGEX_AudioSource.h
+++ b/olcCodeJam2023Entry/olcPGEX_AudioSource.h
@@ -166,7 +166,7 @@ int olcPGEX_AudioSource::PlayCentered(float speed, float vol, bool looping, bool
 
 int olcPGEX_AudioSource::Play(vf2d pos, float speed, float vol, bool looping, bool paused)
 {
-	if(!AL->bSoundOn)return -1;
+	if(!AL->bSoundOn||isnan(pos.x)||isnan(pos.y))return -1;
 	// Set parameters
 	fPlaySpeed = speed;
 	fVolume = vol*std::max(0.f,abs(1-std::min(1.0f,(AL->GetDistance(pos)/1024.f))));