diff --git a/.idea/misc.xml b/.idea/misc.xml
index 1ce6e7f..d15472f 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/out/production/final/GamePanel.class b/out/production/final/GamePanel.class
index 0cd9913..c4d26fa 100644
Binary files a/out/production/final/GamePanel.class and b/out/production/final/GamePanel.class differ
diff --git a/out/production/final/GenericSprite.class b/out/production/final/GenericSprite.class
index 499fc0c..859f6df 100644
Binary files a/out/production/final/GenericSprite.class and b/out/production/final/GenericSprite.class differ
diff --git a/src/GamePanel.java b/src/GamePanel.java
index a089809..fb75c80 100644
--- a/src/GamePanel.java
+++ b/src/GamePanel.java
@@ -50,6 +50,11 @@ public class GamePanel extends JPanel implements Runnable, KeyListener{
     }
     player = new Player(GAME_WIDTH/2, GAME_HEIGHT/2, 'W', 'A', 'S', 'D', spriteArray); //create a player controlled player, set start location to middle of screen
     map.add(new Tile(1000, 700));
+    map.add(new Tile(700, 600));
+    map.add(new Tile(1000, 500));
+    map.add(new Tile(700, 400));
+    map.add(new Tile(1000, 300));
+    map.add(new Tile(700, 200));
     this.setFocusable(true); //make everything in this class appear on the screen
     this.addKeyListener(this); //start listening for keyboard input
 
@@ -96,31 +101,28 @@ public class GamePanel extends JPanel implements Runnable, KeyListener{
     player.isGrounded = false;
 
     for (Tile i : map) {
-
+      i.collide(player);
     }
     //force player to remain on screen
     if (player.y <= 0) {
       player.y = 0;
     }
     if (player.y >= GAME_HEIGHT - Player.PLAYER_HEIGHT) {
-      player.y = GAME_HEIGHT - Player.PLAYER_HEIGHT;
-      if (player.y >= GAME_HEIGHT - Player.PLAYER_HEIGHT) {
         player.y = GAME_HEIGHT - Player.PLAYER_HEIGHT;
         player.yVelocity = 0;
         player.isGrounded = true;
       }
       if (player.x <= 0) {
         player.x = 0;
-
+      }
         if (player.x <= 0) {
           player.x = 0;
         }
-      }
       if (player.x + Player.PLAYER_WIDTH >= GAME_WIDTH) {
         player.x = GAME_WIDTH - Player.PLAYER_WIDTH;
       }
     }
-  }
+
 
   //run() method is what makes the game continue running without end. It calls other methods to move objects,  check for collision, and update the screen
   public void run(){
diff --git a/src/GenericSprite.java b/src/GenericSprite.java
index 6a7cbae..00c2b4b 100644
--- a/src/GenericSprite.java
+++ b/src/GenericSprite.java
@@ -12,9 +12,9 @@ public class GenericSprite extends Rectangle{
   public double yVelocity;
   public double xVelocity;
   public final double SPEED = 20; //movement speed of ball
-  public final double speedCap = 7; //Speed cap of ball
-  public static final int WIDTH = 20; //size of ball
-  public static final int HEIGHT = 20; //size of ball
+  public final double speedCap = 5; //Speed cap of ball
+  public int WIDTH = 20; //size of ball
+  public int HEIGHT = 20; //size of ball
   public boolean rightPressed = false;
   public boolean leftPressed = false;
   public boolean upPressed= false;
@@ -22,7 +22,7 @@ public class GenericSprite extends Rectangle{
   public boolean isGrounded = false;
   //constructor creates ball at given location with given dimensions
   public GenericSprite(int x, int y, int height, int width){
-    super(x, y, height, width);
+    super(x, y, height, width);WIDTH = width; HEIGHT = height;
   }
 
   //called from GamePanel when any keyboard input is detected
diff --git a/src/Tile.java b/src/Tile.java
index 06b7153..62e667f 100644
--- a/src/Tile.java
+++ b/src/Tile.java
@@ -9,6 +9,21 @@ public class Tile {
         this.y = y;
     }
 
+    //Actions when tile interacts with sprites
+    public void collide(GenericSprite s){
+        if(s.x+s.WIDTH>x&&s.x<x+length&&s.y+s.HEIGHT>=y&&s.y<=y+length){
+        if(s.x+s.WIDTH>x+20&&s.x<x+length-20&&y-s.y-s.HEIGHT<4){
+            s.isGrounded = true;
+            s.yVelocity = 0;
+            s.y = y-s.HEIGHT;
+        }
+        if(s.x+s.WIDTH<x+length/2){
+            s.x = x-s.WIDTH;
+        } else if(s.x>x+length-length/2){
+            s.x = x+length;
+        }
+        }
+    }
     public void draw(Graphics g){
         g.setColor(Color.black);
         g.fillRect(x, y, length, length);