Important: Downloading maps using the adf.ly link will directly support the map creator. Just wait 5 seconds and click "Skip Ad" in the top-right corner to proceed to the map download page.
Every 5 waves there will be doors that open, depending on how many players are in the game (1-4). Each door will give you random loot to aid in your survival.
There are four different characters to choose from, tank, knight, archer and chef.