diff --git a/res/textures.png b/res/textures.png
index e7b5641..311d258 100644
Binary files a/res/textures.png and b/res/textures.png differ
diff --git a/src/main/java/xyz/valnet/engine/math/Vector2i.java b/src/main/java/xyz/valnet/engine/math/Vector2i.java
index 80fe92d..9755b87 100644
--- a/src/main/java/xyz/valnet/engine/math/Vector2i.java
+++ b/src/main/java/xyz/valnet/engine/math/Vector2i.java
@@ -39,4 +39,20 @@ public class Vector2i implements Serializable {
     return new Vector2f(x, y);
   }
 
+  public Vector2i north() {
+    return new Vector2i(x, y - 1);
+  }
+
+  public Vector2i east() {
+    return new Vector2i(x + 1, y);
+  }
+
+  public Vector2i south() {
+    return new Vector2i(x, y + 1);
+  }
+
+  public Vector2i west() {
+    return new Vector2i(x - 1, y);
+  }
+
 }
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/Camera.java b/src/main/java/xyz/valnet/hadean/gameobjects/Camera.java
index 4cb7cc6..281757e 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/Camera.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/Camera.java
@@ -76,6 +76,10 @@ public class Camera extends GameObject {
     draw(layer, sprite, pos.x, pos.y, 1, 1);
   }
 
+  public void draw(float layer, Sprite sprite, Vector4i pos) {
+    draw(layer, sprite, pos.x, pos.y, pos.z, pos.w);
+  }
+
   public void draw(float layer, Sprite sprite, float x, float y, float w, float h) {
     Vector2f screenPos = world2screen(x, y);
     Drawing.setLayer(layer + (((y + h) - minY) / (maxY - minY)));
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java b/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java
index 417c6d8..75970ff 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java
@@ -115,6 +115,8 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
 
     List<ISelectable> selectables = getAll(ISelectable.class);
 
+    int prio = Integer.MIN_VALUE;
+
     for(ISelectable thing : selectables) {
       Vector4f thingBox = thing.getWorldBox();
       if(rectanglesIntersect(
@@ -123,7 +125,18 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
         thingBox.x, thingBox.y,
         thingBox.z, thingBox.w
       )) {
-        newSelection.add(thing);
+        System.out.println("Considering selecting " + thing);
+        int thingPrio = thing.getSelectPriority().toValue();
+        if(thingPrio > prio) {
+          newSelection.clear();
+          prio = thingPrio;
+          System.out.println("updated prio to " + prio);
+          System.out.println("List cleared");
+        }
+        if(thingPrio >= prio) {
+          System.out.println("added " + thing);
+          newSelection.add(thing);
+        }
       }
     }
 
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/ui/tabs/BuildTab.java b/src/main/java/xyz/valnet/hadean/gameobjects/ui/tabs/BuildTab.java
index fb90606..acf356d 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/ui/tabs/BuildTab.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/ui/tabs/BuildTab.java
@@ -20,6 +20,7 @@ import xyz.valnet.hadean.gameobjects.inputlayer.SelectionLayer;
 import xyz.valnet.hadean.gameobjects.worldobjects.FarmPlot;
 import xyz.valnet.hadean.gameobjects.worldobjects.Stockpile;
 import xyz.valnet.hadean.gameobjects.worldobjects.constructions.Bed;
+import xyz.valnet.hadean.gameobjects.worldobjects.constructions.Quarry;
 import xyz.valnet.hadean.gameobjects.worldobjects.constructions.Wall;
 import xyz.valnet.hadean.input.Button;
 import xyz.valnet.hadean.input.IButtonListener;
@@ -62,6 +63,8 @@ public class BuildTab extends Tab implements ISelectionChangeListener, IMouseCap
     BuildTab.registerBuildable(Bed.class);
 
     BuildTab.registerBuildable(Wall.class);
+
+    BuildTab.registerBuildable(Quarry.class);
     
     BuildTab.registerBuildable(FarmPlot.class);
     BuildTab.registerBuildable(Stockpile.class);
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Buildable.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Buildable.java
index 4567862..009bc0e 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Buildable.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Buildable.java
@@ -3,11 +3,14 @@ package xyz.valnet.hadean.gameobjects.worldobjects;
 import xyz.valnet.engine.math.Vector2i;
 import xyz.valnet.hadean.gameobjects.Tile;
 import xyz.valnet.hadean.interfaces.IBuildable;
+import xyz.valnet.hadean.interfaces.ISelectable;
 import xyz.valnet.hadean.interfaces.ITileThing;
+import xyz.valnet.hadean.util.Action;
+import xyz.valnet.hadean.util.detail.Detail;
 
-public abstract class Buildable extends WorldObject implements IBuildable, ITileThing {
+public abstract class Buildable extends WorldObject implements IBuildable, ITileThing, ISelectable {
 
-  protected Vector2i getDefaultDimensions() {
+  protected Vector2i getDimensions() {
     return new Vector2i(1, 1);
   }
 
@@ -18,10 +21,26 @@ public abstract class Buildable extends WorldObject implements IBuildable, ITile
 
   @Override
   public void buildAt(int x, int y) {
-    Vector2i dim = getDefaultDimensions();
+    Vector2i dim = getDimensions();
     setPosition(x, y, dim.x, dim.y);
   }
 
   @Override
   public void onPlaced(Tile tile) {}
+
+  @Override
+  public Action[] getActions() {
+    // TODO Auto-generated method stub
+    return new Action[] {};
+  }
+
+  @Override
+  public void runAction(Action action) {
+    
+  }
+
+  @Override
+  public Detail[] getDetails() {
+    return new Detail[] {};
+  }
 }
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Stockpile.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Stockpile.java
index ec318f2..1f40861 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Stockpile.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Stockpile.java
@@ -14,7 +14,7 @@ import xyz.valnet.hadean.util.Layers;
 import xyz.valnet.hadean.util.detail.Detail;
 
 @BuildableMetadata(category = "Zones", name = "Stockpile")
-public class Stockpile extends Buildable implements ISelectable {
+public class Stockpile extends Buildable {
 
   @Override
   public void render() {
@@ -81,4 +81,8 @@ public class Stockpile extends Buildable implements ISelectable {
   @Override
   public void onPlaced(Tile tile) {}
 
+  @Override
+  public ISelectable.Priority getSelectPriority() {
+    return ISelectable.Priority.LOW;
+  }
 }
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/Agent.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/Agent.java
index 44e5d97..67b6653 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/Agent.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/agents/Agent.java
@@ -203,6 +203,11 @@ public abstract class Agent extends WorldObject implements ISelectable {
     return new Action[0];
   }
 
+  @Override
+  public ISelectable.Priority getSelectPriority() {
+    return ISelectable.Priority.HIGH;
+  }
+
   public Vector2i getDestination() {
     if(nextPath != null) return nextPath.getDestination().getPosition();
     if(path == null) return null;
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Bed.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Bed.java
index 15498d8..3c666fb 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Bed.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Bed.java
@@ -30,7 +30,7 @@ public class Bed extends Buildable implements IItemReceiver, IWorkable, ISelecta
   private Job job = null;
 
   @Override
-  protected Vector2i getDefaultDimensions() {
+  protected Vector2i getDimensions() {
     return new Vector2i(1, 2);
   }
 
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Quarry.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Quarry.java
new file mode 100644
index 0000000..ef74e1f
--- /dev/null
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Quarry.java
@@ -0,0 +1,143 @@
+package xyz.valnet.hadean.gameobjects.worldobjects.constructions;
+
+import xyz.valnet.engine.math.Vector2i;
+import xyz.valnet.engine.math.Vector4f;
+import xyz.valnet.hadean.gameobjects.Job;
+import xyz.valnet.hadean.gameobjects.JobBoard;
+import xyz.valnet.hadean.gameobjects.worldobjects.Buildable;
+import xyz.valnet.hadean.gameobjects.worldobjects.items.Boulder;
+import xyz.valnet.hadean.interfaces.BuildableMetadata;
+import xyz.valnet.hadean.interfaces.IWorkable;
+import xyz.valnet.hadean.util.Assets;
+import xyz.valnet.hadean.util.Layers;
+
+@BuildableMetadata(category = "Buildings", name = "Quarry", type = BuildableMetadata.Type.SINGLE)
+public class Quarry extends Buildable {
+
+  private float work = 0;
+  private static float MAX_WORK = 10000;
+
+  private Job digJob = null;
+
+  @Override
+  public void create() {
+    super.create();
+    get(JobBoard.class).postSimpleWorkJob("Build Quarry", new IWorkable() {
+      @Override
+      public boolean doWork(float dTime) {
+        work += dTime;
+        return isBuilt();
+      }
+
+      @Override
+      public Vector2i[] getWorkablePositions() {
+        return new Vector2i[] {
+          getWorldPosition().xy().south().east()
+        };
+      }
+
+      @Override
+      public String getJobName() {
+        return "Build Quarry";
+      }
+    });
+  }
+
+  @Override
+  public void render() {
+    if(isBuilt()) {
+      camera.draw(Layers.TILES, Assets.quarry, getWorldPosition());
+
+      if(digJob != null && !digJob.isCompleted()) {
+        camera.drawProgressBar(digProgress, getWorldBox());
+      }
+
+    } else {
+      float p = work / MAX_WORK;
+      float b = 4;
+
+      Assets.flat.pushColor(new Vector4f(b, b, b, 0.5f));
+      camera.draw(Layers.GROUND, Assets.quarry, getWorldPosition());
+      Assets.flat.popColor();
+
+      camera.drawProgressBar(p, getWorldBox());
+    }
+  }
+
+  @Override
+  public Vector2i getDimensions() {
+    return new Vector2i(3, 3);
+  }
+
+  private float digProgress = 0;
+
+  private void tryCreateDigJob() {
+    if(!isBuilt()) return;
+    if (digJob != null) return;
+    if (terrain.getTile(getWorldPosition().xy().south().east()).has(Boulder.class)) return;
+
+    digJob = get(JobBoard.class)
+      .postSimpleWorkJob("Mine at Quarry", new IWorkable() {
+
+        private static float MAX_WORK = 5000;
+        private float work = 0;
+
+        @Override
+        public boolean doWork(float dTime) {
+          work += dTime;
+          digProgress = work / MAX_WORK;
+          return work >= MAX_WORK;
+        }
+
+        @Override
+        public Vector2i[] getWorkablePositions() {
+          return new Vector2i[] {
+            getWorldPosition().xy().south().east()
+          };
+        }
+
+        @Override
+        public String getJobName() {
+          return "Mine at Quarry";
+        }
+      
+    });
+    digJob.registerClosedListener(() -> {
+      digProgress = 0;
+      Vector2i dropPos = getWorldPosition().xy().south().east();
+      Boulder boulder = new Boulder(dropPos.x, dropPos.y);
+      add(boulder);
+      boulder.runAction(Boulder.HAUL);
+      digJob = null;
+    });
+  }
+
+  @Override
+  public void update(float dTime) {
+    super.update(dTime);
+    tryCreateDigJob();
+  }
+
+  private boolean isBuilt() {
+    return work >= MAX_WORK;
+  }
+
+  @Override
+  public boolean isWalkable() {
+    return true;
+  }
+
+  @Override
+  public boolean shouldRemove() {
+    return false;
+  }
+
+  @Override
+  public void onRemove() {
+  }
+
+  @Override
+  public String getName() {
+    return "Quarry";
+  }
+}
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Wall.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Wall.java
index a606a14..7d629ce 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Wall.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/constructions/Wall.java
@@ -100,15 +100,10 @@ public class Wall extends Buildable implements IItemReceiver, IWorkable, ISelect
   private Vector2i[] getBorders() {
     Vector2i pos = getWorldPosition().xy();
     return new Vector2i[] {
-      new Vector2i(pos.x, pos.y - 1),
-
-      new Vector2i(pos.x - 1, pos.y),
-      new Vector2i(pos.x + 1, pos.y),
-
-      new Vector2i(pos.x - 1, pos.y + 1),
-      new Vector2i(pos.x + 1, pos.y + 1),
-
-      new Vector2i(pos.x, pos.y + 2),
+      pos.north(),
+      pos.east(),
+      pos.south(),
+      pos.west()
     };
   }
 
@@ -152,7 +147,7 @@ public class Wall extends Buildable implements IItemReceiver, IWorkable, ISelect
 
   @Override
   public boolean isWalkable() {
-    return false;
+    return isBuilt();
   }
 
   @Override
diff --git a/src/main/java/xyz/valnet/hadean/interfaces/ISelectable.java b/src/main/java/xyz/valnet/hadean/interfaces/ISelectable.java
index aaaaff5..3a6bccd 100644
--- a/src/main/java/xyz/valnet/hadean/interfaces/ISelectable.java
+++ b/src/main/java/xyz/valnet/hadean/interfaces/ISelectable.java
@@ -5,9 +5,29 @@ import xyz.valnet.hadean.util.Action;
 import xyz.valnet.hadean.util.detail.Detail;
 
 public interface ISelectable {
+
+  public enum Priority {
+    LOW(-10),
+    NORMAL(0),
+    HIGH(10);
+
+    private int value;
+
+    Priority(int value) {
+      this.value = value;
+    }
+
+    public int toValue() {
+      return value;
+    }
+  }
+
   public Vector4f getWorldBox();
   public Action[] getActions();
   public void runAction(Action action);
   public Detail[] getDetails();
   public default void selectedRender() {}
+  public default Priority getSelectPriority() {
+    return Priority.NORMAL;
+  }
 }
\ No newline at end of file
diff --git a/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java b/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java
index bdcef68..ae59cf4 100644
--- a/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java
+++ b/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java
@@ -1,8 +1,10 @@
 package xyz.valnet.hadean.interfaces;
 
+import java.io.Serializable;
+
 import xyz.valnet.engine.math.Vector2i;
 
-public interface IWorkable {
+public interface IWorkable extends Serializable {
   public boolean doWork(float dTime);
   public Vector2i[] getWorkablePositions();
   public String getJobName();