diff --git a/src/main/java/inf112/fiasko/roborally/game_wrapper/ScreenManager.java b/src/main/java/inf112/fiasko/roborally/game_wrapper/ScreenManager.java
index 563a9f1..42e29a8 100644
--- a/src/main/java/inf112/fiasko/roborally/game_wrapper/ScreenManager.java
+++ b/src/main/java/inf112/fiasko/roborally/game_wrapper/ScreenManager.java
@@ -1,6 +1,14 @@
 package inf112.fiasko.roborally.game_wrapper;
 
-import inf112.fiasko.roborally.game_wrapper.screens.*;
+
+import inf112.fiasko.roborally.game_wrapper.screens.BoardActiveScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.CardChoiceScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.LoadingScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.PowerDownScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.UsernameScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.IPAddressScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.LobbyScreen;
+import inf112.fiasko.roborally.game_wrapper.screens.StartMenuScreen;
 
 /**
  * Keeps track of screen instances
@@ -67,7 +75,7 @@ public class ScreenManager {
      * @param roboRallyWrapper The Robo Rally launcher instance to use
      * @return A start menu screen instance
      */
-    synchronized StartMenuScreen getStartMenuScreen(RoboRallyWrapper roboRallyWrapper) {
+    public synchronized StartMenuScreen getStartMenuScreen(RoboRallyWrapper roboRallyWrapper) {
         return new StartMenuScreen(roboRallyWrapper);
     }
 
diff --git a/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/AbstractScreen.java b/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/AbstractScreen.java
index b11db14..729fe0a 100644
--- a/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/AbstractScreen.java
+++ b/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/AbstractScreen.java
@@ -6,8 +6,8 @@ import com.badlogic.gdx.Screen;
  * This class overrides methods of screens which are often unused
  */
 public abstract class AbstractScreen implements Screen {
-    final int applicationWidth = 600;
-    final int applicationHeight = 800;
+    protected final int applicationWidth = 600;
+    protected final int applicationHeight = 800;
 
     @Override
     public void show() {
diff --git a/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/CardChoiceScreen.java b/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/CardChoiceScreen.java
index 70f7325..d8595a3 100644
--- a/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/CardChoiceScreen.java
+++ b/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/CardChoiceScreen.java
@@ -9,7 +9,9 @@ import com.badlogic.gdx.graphics.OrthographicCamera;
 import com.badlogic.gdx.graphics.g2d.GlyphLayout;
 import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.math.Vector3;
-import com.badlogic.gdx.scenes.scene2d.*;
+import com.badlogic.gdx.scenes.scene2d.Stage;
+import com.badlogic.gdx.scenes.scene2d.InputListener;
+import com.badlogic.gdx.scenes.scene2d.InputEvent;
 import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
 import com.badlogic.gdx.utils.viewport.FitViewport;
 import com.badlogic.gdx.utils.viewport.Viewport;
@@ -239,9 +241,9 @@ public class CardChoiceScreen extends InputAdapter implements Screen {
  * A helper class for keeping track of card information and a rectangle
  */
 class CardRectangle {
-    final Rectangle rectangle;
-    final ProgrammingCard card;
-    boolean selected = false;
+    protected final Rectangle rectangle;
+    protected final ProgrammingCard card;
+    protected boolean selected = false;
 
     /**
      * Instantiates a new card rectangle
diff --git a/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/UsernameScreen.java b/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/UsernameScreen.java
index 83f9b1d..faf952a 100644
--- a/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/UsernameScreen.java
+++ b/src/main/java/inf112/fiasko/roborally/game_wrapper/screens/UsernameScreen.java
@@ -75,7 +75,7 @@ public class UsernameScreen extends AbstractScreen {
      */
     private boolean nameInvalid(String userName) {
         //TODO: Find a way to ask the server if the name is taken
-        return userName.equals("");
+        return "".equals(userName);
     }
 
     @Override
diff --git a/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java b/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java
index ccb5a05..43323e4 100644
--- a/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java
+++ b/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java
@@ -76,7 +76,7 @@ class RoboRallyServerListener extends Listener {
      * Gets a map between connections and their player name
      * @return A mapping between connections and robot ids
      */
-    Map<Connection, String> getPlayerNames() {
+    public Map<Connection, String> getPlayerNames() {
         return playerNames;
     }
 
@@ -84,7 +84,7 @@ class RoboRallyServerListener extends Listener {
      * Gets a map between connections and their robot id
      * @return A mapping between connections and robot ids
      */
-    Map<Connection, RobotID> getRobotID() {
+    public Map<Connection, RobotID> getRobotID() {
         return clients;
     }
 
diff --git a/src/main/java/inf112/fiasko/roborally/utility/IOUtil.java b/src/main/java/inf112/fiasko/roborally/utility/IOUtil.java
index 013f97f..59c04e2 100644
--- a/src/main/java/inf112/fiasko/roborally/utility/IOUtil.java
+++ b/src/main/java/inf112/fiasko/roborally/utility/IOUtil.java
@@ -4,7 +4,14 @@ import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import inf112.fiasko.roborally.element_properties.Direction;
 import inf112.fiasko.roborally.element_properties.Position;
 import inf112.fiasko.roborally.element_properties.RobotID;
-import inf112.fiasko.roborally.objects.*;
+import inf112.fiasko.roborally.objects.Player;
+import inf112.fiasko.roborally.objects.IDrawableObject;
+import inf112.fiasko.roborally.objects.Tile;
+import inf112.fiasko.roborally.objects.IDrawableGame;
+import inf112.fiasko.roborally.objects.Wall;
+import inf112.fiasko.roborally.objects.Particle;
+import inf112.fiasko.roborally.objects.Robot;
+import inf112.fiasko.roborally.objects.DrawableObject;
 import com.esotericsoftware.kryonet.Connection;
 import java.util.ArrayList;
 import java.util.List;
diff --git a/src/test/java/inf112/fiasko/roborally/objects/DrawableObjectTest.java b/src/test/java/inf112/fiasko/roborally/objects/DrawableObjectTest.java
index 0dffede..0bc560a 100644
--- a/src/test/java/inf112/fiasko/roborally/objects/DrawableObjectTest.java
+++ b/src/test/java/inf112/fiasko/roborally/objects/DrawableObjectTest.java
@@ -70,7 +70,6 @@ public class DrawableObjectTest {
         assertEquals(Y_POSITION_MAX_ARG, drawableObjectMaximumArguments.getYPosition());
     }
 
-
     @Test
     public void getWidthMinArg() {
         assertEquals(64, drawableObjectMinimumArguments.getWidth());