To be able to follow this tutorial you will need to know how to make a teleport. Here is a simple teleport setup. One trigger_teleport and one info_teleport_destiantion. Step 1. Create an entity in the middle of the trigger_teleport and center it. Step 2. Select the entity and turn it into a info_landmark. Name it whatever you want. But i named mine TeleMark Step 3. Center the landmark in the middle of the trigger_teleport and inside of the floor like this Step 4. Set the "Local Destination Landmark" Property in the trigger_teleport to the name of your info landmark. Step 5. Cover up any holes in your level and it should be done. Note: Try to place the teleports on the x or z axis and not the y axis. The screen jidders a little if you do so.