diff --git a/core/assets/maps/three.msav b/core/assets/maps/three.msav
index 77f2b7fe2b..3724164e9b 100644
Binary files a/core/assets/maps/three.msav and b/core/assets/maps/three.msav differ
diff --git a/core/src/mindustry/content/SectorPresets.java b/core/src/mindustry/content/SectorPresets.java
index 9e49b0b9e1..e592310c4e 100644
--- a/core/src/mindustry/content/SectorPresets.java
+++ b/core/src/mindustry/content/SectorPresets.java
@@ -1,9 +1,5 @@
 package mindustry.content;
 
-import arc.math.geom.*;
-import mindustry.game.*;
-import mindustry.game.MapObjectives.*;
-import mindustry.graphics.*;
 import mindustry.type.*;
 
 import static mindustry.content.Planets.*;
@@ -128,6 +124,7 @@ public class SectorPresets{
         three = new SectorPreset("three", erekir, 36){{
             difficulty = 5;
             captureWave = 9;
+            attackAfterWaves = true;
         }};
 
         atlas = new SectorPreset("atlas", erekir, 14){{ //TODO random sector, pick a better one
diff --git a/core/src/mindustry/core/Logic.java b/core/src/mindustry/core/Logic.java
index 8d99655119..d13cbf5408 100644
--- a/core/src/mindustry/core/Logic.java
+++ b/core/src/mindustry/core/Logic.java
@@ -291,7 +291,14 @@ public class Logic implements ApplicationListener{
             if(state.rules.waves && (state.enemies == 0 && state.rules.winWave > 0 && state.wave >= state.rules.winWave && !spawner.isSpawning()) ||
                 (state.rules.attackMode && state.rules.waveTeam.cores().isEmpty())){
 
-                Call.sectorCapture();
+                if(state.rules.sector.preset != null && state.rules.sector.preset.attackAfterWaves && !state.rules.attackMode){
+                    //activate attack mode to destroy cores after waves are done.
+                    state.rules.attackMode = true;
+                    state.rules.waves = false;
+                    Call.setRules(state.rules);
+                }else{
+                    Call.sectorCapture();
+                }
             }
         }else{
             if(!state.rules.attackMode && state.teams.playerCores().size == 0 && !state.gameOver){
diff --git a/core/src/mindustry/type/SectorPreset.java b/core/src/mindustry/type/SectorPreset.java
index a994cacfa9..eebbb16b9d 100644
--- a/core/src/mindustry/type/SectorPreset.java
+++ b/core/src/mindustry/type/SectorPreset.java
@@ -18,6 +18,8 @@ public class SectorPreset extends UnlockableContent{
     public float startWaveTimeMultiplier = 2f;
     public boolean addStartingItems = false;
     public boolean showSectorLandInfo = true;
+    /** If true, switches to attack mode after waves end. */
+    public boolean attackAfterWaves = false;
 
     public SectorPreset(String name, Planet planet, int sector){
         super(name);