Fire-Ice-Slime is a very fast and simple, 2-player, 1 Treehouse game, similar to Rock-Scissors-Paper. Players attack each other with fire, ice or slime, with the more powerful attack type winning. Each attack type is represented by colours, and has both strengths and weaknesses. Red pyramids represent Fire, Blue pyramids represent Ice and Green pyramids represent Slime. Fire melts Ice freezes Slime smothers Fire.