Steam is a Fluid in Where's My Water?. It is the fourth fluid introduced to the player, first appearing in Boiling Point.
Steam is the lightest fluid and defies gravity and moves upward. It moves at a medium pace and does not bounce well. Steam is required to complete Allie levels and to collect Allie Ducks. Steam cannot enter Swampy's or Cranky's pipes. Steam will not kill any Ducks.
Fluids Steam does not react with any fluid except Mud. When Steam floats on top of Mud, the Mud stays wet and will not dry out. Notable Reactions with
Objects Steam can pass through
Algae. Steam is converted into Water when it comes into contact with an
Icicles. Steam can be held by Balloons and causes them to float, whether the Steam be under or in the Balloon.
Completing a Allie Level with Steam 1
Completing a Allie Level with Steam 2
Completing a Allie Level with Steam 3
Completing a Allie Level with Steam 4
Completing a Allie Level with Steam 5
Steam is Released from a Pipe
Steam enters Allie's Pipe