Level 5 Bouncing the rock on Watergirl (makes the level easier)

Level 10 Doing the first floor as Fireboy Doing the second floor as Fireboy

Level 11 Jumping on the white moving platform as it's moving down

Level 13 Skipping the switch

Level 19 Elevator Skip

Level 22 jump as Watergirl (hard)

Level 29 Skipping having to turn off the lever

Level 31 Time saver with the rocks (somewhat risky)

Level 38 activating the lever as Fireboy (risky)

Level 39 Pushing 1 rock (risky)

Level 40 Getting the gem early