This tutorial features: -4 players, split onto 2 sides, competing to last the longest. -Mobs will spawn continuously on a timer. -Players can choose between 2 races (choose in a dialog at the start). -One tower for each race (yeah, just one for each... but you can easily keep duplicating). -Fully working leaderboard -Player-leaves-game trigger -Anti-block -Tower selling -Few more minor things too.