Fireboy and Watergirl in the Forest Temple (2009)

Fireboy and Watergirl in The Forest Temple is a cooperative platformer and the 1st entry in the Fireboy and Watergirl series. You navigate characters Fireboy and Watergirl - either alone or with a friend - through various puzzles. Fireboy can walk in lava, but not in water. Watergirl can walk in water, but not in lava. Turn levers, press buttons, push boxes, and more in a total of 32 levels.