Extreme Temperature Chamber

 is an Monkey v Monkey Building exclusive in Bloons Monkey City Mobile. It costs $1500 and 20. Upon building, gives the user 150 xp and it allows the player to research Black, White and Zebra Bloons. Black is immune to heat, white is immune to freezing and zebra is immune to both. These Bloons can lead to the difference between a win and a loss.