diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 1a69e95855..a5862bca14 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -579,6 +579,7 @@ objective.coreitem = [accent]Move into Core:\n[][lightgray]{0}[]/{1}\n{2}[lightg
 objective.build = [accent]Build: [][lightgray]{0}[]x\n{1}[lightgray]{2}
 objective.buildunit = [accent]Build Unit: [][lightgray]{0}[]x\n{1}[lightgray]{2}
 objective.destroyunits = [accent]Destroy: [][lightgray]{0}[]x Units
+objective.enemiesapproaching = [accent]Enemies approaching in [lightgray]{0}[]
 objective.destroycore = [accent]Destroy Enemy Core
 objective.command = [accent]Command Units
 
diff --git a/core/src/mindustry/game/MapObjectives.java b/core/src/mindustry/game/MapObjectives.java
index 0daf564b2c..a20c870ef4 100644
--- a/core/src/mindustry/game/MapObjectives.java
+++ b/core/src/mindustry/game/MapObjectives.java
@@ -17,7 +17,8 @@ import static mindustry.Vars.*;
 public class MapObjectives{
     public static Prov<MapObjective>[] allObjectiveTypes = new Prov[]{
         ResearchObjective::new, BuildCountObjective::new, UnitCountObjective::new, ItemObjective::new,
-        CommandModeObjective::new, CoreItemObjective::new, DestroyCoreObjective::new, DestroyUnitsObjective::new
+        CommandModeObjective::new, CoreItemObjective::new, DestroyCoreObjective::new, DestroyUnitsObjective::new,
+        TimerObjective::new
     };
 
     public static Prov<ObjectiveMarker>[] allMarkerTypes = new Prov[]{
@@ -164,6 +165,48 @@ public class MapObjectives{
         }
     }
 
+    public static class TimerObjective extends MapObjective{
+        public String text;
+        public float countup;
+        public float duration = 60f * 30f;
+
+        public TimerObjective(float duration){
+            this.duration = duration;
+        }
+
+        public TimerObjective(){
+        }
+
+        @Override
+        public boolean complete(){
+            return countup >= duration;
+        }
+
+        @Override
+        public void update(){
+            countup += Time.delta;
+        }
+
+        @Override
+        public void reset(){
+            countup = 0f;
+        }
+
+        @Nullable
+        @Override
+        public String text(){
+            if(text != null){
+                int time = (int)((duration - countup) / 60f);
+                if(text.startsWith("@")){
+                    return Core.bundle.format(text.substring(1), time);
+                }else{
+                    return Core.bundle.formatString(text, time);
+                }
+            }
+            return text;
+        }
+    }
+
     /** Command any unit to do anything. Always compete in headless mode. */
     public static class CommandModeObjective extends MapObjective{
 
diff --git a/gradle.properties b/gradle.properties
index 8921ff667d..ca51e02948 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -25,4 +25,4 @@ org.gradle.caching=true
 #used for slow jitpack builds; TODO see if this actually works
 org.gradle.internal.http.socketTimeout=100000
 org.gradle.internal.http.connectionTimeout=100000
-archash=f21eb00d2e
+archash=705de3b8ee