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Icicles are frozen water drops that are present in ice-themed stages in the Mario franchise. They generally act as obstacles that can hurt the player by falling onto them.
Icicles first appear during Phase 16 (17 in Japan) of Mario Bros. as obstacles that drop from under the top platforms and pipes, where they would constantly regenerate. They kill the player if they fall upon them; however, icicles can also be deadly if touched while they are still attached to the ceiling. Touching an icicle while it is still a liquid droplet or using the POW Block will prevent it from being formed, though this will not award any points. However, the POW Block will also cause fully formed icicles to drop prematurely.
Icicles return in Luigi Bros., a slightly modified version of Mario Bros. featured in Super Mario 3D World. Here, they act the same way as previously.
Super Mario Bros. Special
In Super Mario Bros. Special, icicles could be defeated by fireballs. They do not regenerate.
Super Mario World 2: Yoshi's Island
Super Princess Peach
Wario Land series
Wario Land 4
In Wario Land 4, icicles appear in 40 Below Fridge and the latter part of Fiery Cavern. They form on the ceiling and fall down, breaking when they hit the ground. Wario usually gets hurt when he touches an icicle, unless he is rolling or frozen. He cannot break icicles himself, but if he rolls or skates through an icicle, it will produce the sound heard when an obstacle is destroyed.
Wario Land: Shake It!
Icicles appear in Wario Land: Shake It! in the level Slipshod Slopes. They appear in a cove part, and seem to be gigantic. When executing the Earthshake Punch, these big icicles will fall down, and crush any enemy underneath (defeating 5 enemies with those icicles is also a mission in that level). When Wario hits a falling icicle, he'll get hurt. Wario can also stand on those icicles as if they are platforms. However, the fallen icicles will break after a short time. when broken, new icicles will grow on the piece of ceiling the old ones were fallen off. There are giant icicles as well in Freezing Fields.
Super Smash Bros. series
Super Smash Bros. Brawl
Icicles also make a minor reappearance in Super Smash Bros. Brawl. When fighting on the Ice Climbers' stage, the Summit, they act the exact same way they did in the original Mario Bros., except this time they are indestructible and cannot be melted.
Super Smash Bros. for Wii U
Huge Icicles are featured as stage hazards on the Mushroom Kingdom U stage in Super Smash Bros. for Wii U with their appearance from the New Super Mario Bros. series. They are present in all four variations of the stage. They occasionally fall from the top of the screen and can damage fighters.
Super Smash Bros. Ultimate
Super Mario series
New Super Mario Bros. Wii
Icicles are found in World 3-3 and World 3- of New Super Mario Bros. Wii, along with giant indestructible icicles known as Huge Icicles that Mario can walk on after they fall, some of which may tilt to one side. Icicles come long and short, and when the icicles fall similar to a Thwomp, they reform after a few seconds. Mario and company, as well as enemies, will take damage if they come in contact with one. There are also some that don't even fall at all but still hurt the player. Icicles can be defeated with a Star or by hitting a block under it as it is falling.
New Super Mario Bros. U / New Super Luigi U / New Super Mario Bros. U Deluxe
Icicles also appear in New Super Mario Bros. U and New Super Luigi U, as well as in New Super Mario Bros. U Deluxe. They can be found in Freezing-Rain Tower and Icicle Caverns in New Super Mario Bros. U, and in Icicle Tower and Ice-Slide Expressway in New Super Luigi U. They can also be found in World Coin-7. When battling Wendy in all three games, she uses magic to cause icicles to fall onto the player. In Boost Mode, tapping on an icicle in its idle state will cause it to break and never reform, although tapping a falling one will break it but will still eventually reform. Additionally, destroying one of Wendy's icicles with Boost Mode will destroy it but will then immediately reform.
Super Mario Odyssey
Icicles appear in Super Mario Odyssey, where they are seen in both the Deepest Underground in the Sand Kingdom, and the Icicle Cavern of the Snow Kingdom. In the Sand Kingdom, they are faceted in shape, and are used by Knucklotec as one of his means of attacking Mario. If Knucklotec were to hit any of his icicles partially buried in the snow, he will briefly writhe in pain, allowing the affected fist to be captured by Mario. Some of the icicles contain hearts in them, which can be collected once the icicle is broken. In the Snow Kingdom, they act similar to the Huge Icicles in the New Super Mario Bros. games, where they fall and allow Mario to use them as platforms, but with a shadow indicating exactly where they will fall.
Super Mario Maker 2
Icicles appear in Super Mario Maker 2, where they function in the same way as they do in the New Super Mario Bros. games. In the editor, they can be placed on ceilings. They can be set to remain stationary, or to drop down when approached by the player, damaging them if they are hit by it. Their stationary form is a darker blue. They can be destroyed if they fall on a player with a Spiny Shell on their head. They can also be used as platforms, though falling icicles fall when stood on.
Donkey Kong Country: Tropical Freeze
Icicles can be encountered in Donkey Kong Country: Tropical Freeze in the level Icicle Arsenal. They are remarkably sharp and long, slightly varying in size. They hang from ceilings and drop down when the Kongs walk underneath them. Moments before falling, they signal the player with a slight shake. The Kongs lose one heart from their health meter if they get hit by an icicle; similarly, enemies that are hit by icicles are defeated. After coming down and breaking, icicles yield a single banana.
Names in other languages