There’s a 1-Up Mushroom hidden inside the Block at the very beginning of the level. Take out the Ice Bro by hitting him from below, then knock the Blocks to reveal the 1-Up Mushroom before going down the pipe.
Stay near the far left side of the floating ice platform to avoid getting hit by the falling icicles.
Before leaping across the gap, wait for the huge icicle to drop down from above and create a large platform. If you try to jump across before the platform drops, you’ll come up short and fall to your death.
Edge to the right at Point 6 to encourage the icicles above you to drop. When they do, they create three large platforms spanning the gap ahead. The last platform, however, tilts right, so be careful when you’re on it. You don’t want to slide off the side and fall into the pit.
Beginning at Point 7, get a running start and dash to the right across the rest of the level. As you go, the ceiling’s icicles rain down on you. If you maintain top speed you’ll stay ahead of the icy death. Don’t slow down or the icicles will impale you!