diff --git a/.idea/misc.xml b/.idea/misc.xml
index 57cdb8e..25d34a4 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="11" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11" project-jdk-type="JavaSDK" />
 </project>
\ No newline at end of file
diff --git a/android/android.iml b/android/android.iml
index 98e3fa5..217c060 100644
--- a/android/android.iml
+++ b/android/android.iml
@@ -4,7 +4,7 @@
     <facet type="android-gradle" name="Android-Gradle">
       <configuration>
         <option name="GRADLE_PROJECT_PATH" value=":android" />
-        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="3.5.0" />
+        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" />
         <option name="LAST_KNOWN_AGP_VERSION" value="3.5.0" />
       </configuration>
     </facet>
@@ -17,8 +17,6 @@
           <task>generateDebugSources</task>
         </afterSyncTasks>
         <option name="ALLOW_USER_CONFIGURATION" value="false" />
-        <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/res;file://$MODULE_DIR$/build/generated/res/rs/debug;file://$MODULE_DIR$/build/generated/res/resValues/debug" />
-        <option name="TEST_RES_FOLDERS_RELATIVE_PATH" value="" />
       </configuration>
     </facet>
   </component>
diff --git a/core/build.gradle b/core/build.gradle
index d9b0752..c5099a0 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -6,6 +6,7 @@ sourceCompatibility = 1.8
 sourceSets {
     main {
         java.srcDirs = [ "src/" ]
+        resources.srcDirs= ["resources/"]
     }
     test {
         java.srcDirs = ["test/"]
@@ -13,9 +14,12 @@ sourceSets {
 }
 
 dependencies {
+    api "com.badlogicgames.gdx:gdx:$gdxVersion"
+
+    implementation 'se.koc:zutil:1.0.236'
+
     testImplementation "org.junit.jupiter:junit-jupiter-engine:5.5.2"
     testImplementation "org.junit.platform:junit-platform-runner:1.5.2"
-    api "com.badlogicgames.gdx:gdx:$gdxVersion"
 }
 
 test {
diff --git a/core/resources/data/ground_types.json b/core/resources/data/ground_types.json
new file mode 100644
index 0000000..25ec708
--- /dev/null
+++ b/core/resources/data/ground_types.json
@@ -0,0 +1,5 @@
+{
+  "1": {
+    "name": "Grass"
+  }
+}
\ No newline at end of file
diff --git a/core/src/se/cookery/world/Block.java b/core/src/se/cookery/world/Block.java
index 2ff0032..8911b28 100644
--- a/core/src/se/cookery/world/Block.java
+++ b/core/src/se/cookery/world/Block.java
@@ -6,11 +6,15 @@ package se.cookery.world;
  * The class contains items, land type and world height information
  */
 public class Block {
+    // Constants
+
     /**
      * The size of a block in units of squares. The block is a square with size BLOCK_SIZE x BLOCK_SIZE.
      **/
     public static final int BLOCK_SIZE = 20;
 
+    // Variables
+
     private long offset_x = 0;
     private long offset_y = 0;
     private byte[][] height = new byte[BLOCK_SIZE][BLOCK_SIZE];
diff --git a/core/src/se/cookery/world/Ground.java b/core/src/se/cookery/world/Ground.java
deleted file mode 100644
index f251c76..0000000
--- a/core/src/se/cookery/world/Ground.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package se.cookery.world;
-
-/**
- * Class representing a ground material type.
- */
-public class Ground {
-    private int id;
-}
diff --git a/core/src/se/cookery/world/GroundFactory.java b/core/src/se/cookery/world/GroundFactory.java
deleted file mode 100644
index 4a75e2f..0000000
--- a/core/src/se/cookery/world/GroundFactory.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package se.cookery.world;
-
-import java.security.InvalidParameterException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class GroundFactory {
-    public static Map<Integer, Ground> groundTypes = new HashMap<>();
-
-
-    public static Ground get(int id) {
-        if (0 > id || id > groundTypes.size())
-            throw new InvalidParameterException("Provided id " + id + " is not associated dwith a ground type.");
-        return groundTypes.get(id);
-    }
-}
diff --git a/core/src/se/cookery/world/GroundType.java b/core/src/se/cookery/world/GroundType.java
new file mode 100644
index 0000000..32069eb
--- /dev/null
+++ b/core/src/se/cookery/world/GroundType.java
@@ -0,0 +1,18 @@
+package se.cookery.world;
+
+/**
+ * Class representing a ground material type.
+ */
+public class GroundType {
+    // Variables
+
+    private int id;
+    private String name;
+
+
+    protected GroundType() {}
+
+    public String getName() {
+        return null;
+    }
+}
diff --git a/core/src/se/cookery/world/GroundTypeFactory.java b/core/src/se/cookery/world/GroundTypeFactory.java
new file mode 100644
index 0000000..e88bcd6
--- /dev/null
+++ b/core/src/se/cookery/world/GroundTypeFactory.java
@@ -0,0 +1,28 @@
+package se.cookery.world;
+
+import com.badlogic.gdx.utils.JsonReader;
+
+import java.security.InvalidParameterException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class GroundTypeFactory {
+    // Constants
+
+    public static final String RESOURCE_GROUND_TYPE = "data/ground_types.json";
+
+    // Variables
+
+    public static Map<Integer, GroundType> groundTypes = new HashMap<>();
+
+
+    public static void initialize() {
+
+    }
+
+    public static GroundType get(int id) {
+        if (0 > id || id > groundTypes.size())
+            throw new InvalidParameterException("Provided id " + id + " is not associated with a ground type.");
+        return groundTypes.get(id);
+    }
+}
diff --git a/core/src/se/cookery/world/World.java b/core/src/se/cookery/world/World.java
index dd6ec03..0143ac7 100644
--- a/core/src/se/cookery/world/World.java
+++ b/core/src/se/cookery/world/World.java
@@ -6,6 +6,8 @@ import java.util.Map;
 import java.util.TreeMap;
 
 public class World {
+    // Variables
+
     private Map<Long, Map<Long, Block>> worldBlocks = new TreeMap<>();
     private WorldGenerator generator;
 
diff --git a/core/test/se/cookery/world/GroundFactoryTest.java b/core/test/se/cookery/world/GroundTypeFactoryTest.java
similarity index 50%
rename from core/test/se/cookery/world/GroundFactoryTest.java
rename to core/test/se/cookery/world/GroundTypeFactoryTest.java
index d32b2ad..57358a6 100644
--- a/core/test/se/cookery/world/GroundFactoryTest.java
+++ b/core/test/se/cookery/world/GroundTypeFactoryTest.java
@@ -6,16 +6,24 @@ import java.security.InvalidParameterException;
 
 import static org.junit.jupiter.api.Assertions.*;
 
-class GroundFactoryTest {
+class GroundTypeFactoryTest {
+
+    @Test
+    void invalidIDTest() {
+        assertThrows(InvalidParameterException.class, () -> {
+            GroundTypeFactory.get(-1);
+        });
+
+        assertThrows(InvalidParameterException.class, () -> {
+            GroundTypeFactory.get(500);
+        });
+    }
 
     @Test
     void get() {
-        assertThrows(InvalidParameterException.class, () -> {
-            GroundFactory.get(-1);
-        });
-
-        assertThrows(InvalidParameterException.class, () -> {
-            GroundFactory.get(500);
-        });
+        GroundType ground = GroundTypeFactory.get(0);
+        assertNotNull(ground);
+        assertSame(ground, GroundTypeFactory.get(0));
+        assertEquals("Grass", ground.getName());
     }
 }
\ No newline at end of file