The Ice Climbers summon an enormous iceberg up from the ground that covers almost the entire stage. The iceberg makes all platforms (including the iceberg itself) slippery for all characters except the Ice Climbers who summoned it.
It can damage and freeze any opponents who touch it or any platforms close to the iceberg. When opponents touch the mound of ice, they get stuck for a few moments and take steady amounts of damage, about 2%. When the opponent freezes on the sides of the mountain, they receive a deal of knockback depending on how much damage is accumulated and which part of the mountain the opponent froze at. Any damage can be avoided by edge-hanging through the duration of the move. The iceberg will become smaller if it is attacked by opponents. The size of the iceberg is proportionate to the size of the stage; the larger the stage, the larger the iceberg. Even if the Climbers are separated or one has been KO'd, the remaining climber can still perform the Final Smash, but instead of high-fiving each other, the lone climber lifts up their hammer.
Iceberg has received multiple changes in Super Smash Bros. Ultimate. The iceberg now spins around, with a Polar Bear teetering on it. As such, it is no longer possible to stand on the tip of the iceberg or walk up it while it is rising. While it no longer lasts as long, it can also be moved left and right, though doing so will also move the Ice Climbers.
A Condor now circles the iceberg, allowing the Ice Climbers to grab onto it during the move's duration, which will prevent possible self-destructs when controlling the iceberg as well as to make it easier to travel to the other side of it. Anyone else who touches the Condor will take damage. The iceberg no longer has weak multi-hit hitboxes, although it still retains its launching hitboxes. The knockback has been noticeably increased, and both the damage and knockback is even higher if an opponent comes into contact with the Polar Bear. Finally, the iceberg no longer freezes opponents, and lacks the ability to damage players on nearby platforms.
The Iceberg glitch is a glitch that involves using Iceberg to push the Ice Climbers and opponents through solid platforms. This can save players from being KO'd.
Using Iceberg near the bottom of the stage on the right side of the "spike" that protrudes from the bottom platform will cause the Ice Climbers to become stuck, thereby floating. If the camera zooms in on the Ice Climbers, it is possible to see that the Ice Climbers are in their falling animation but not falling. If the Ice Climbers try to use any aerial attacks, they will "bounce" off the stage and go into their knockback animation (spinning around with a look of pain). If one repeatedly uses their fair, it is possible for the Ice Climbers to get out to the right side of the iceberg. If one uses Belay at the correct time of leaving the iceberg, Nana will get KO'd, but Popo will perform a super-jump, going over the top boundary line and falling for a long time. Also, when in the iceberg, if the Ice Climbers go into helpless, they will continue to "float" until the Iceberg goes down, dragging the Ice Climbers below the lower blast line, eventually KO'ing them.
Ghost Iceberg glitch
If the game is hacked to allow multiple final smashes, and the Ice Climbers regain their final smash while the Iceberg is still active, the Iceberg will vanish, however some strange effects will occur. The final smash is still considered active, and thus all relevant side effects of a final smash being active will be present. Additionally, portions of the Iceberg's collision detection will remain active, scattered among the stage, but invisible to the player, and can cause unusual effects, such as pushing players, blocking their path, or even instantly warping them to the lower blast zone. Additionally, certain stage models will become partially corrupted, resulting in a long, thin rectangular shape with a texture used somewhere on the stage to appear, although it will have no collision detection.
The most unusual effect of this, is that it appears to make opponents take damage as though they were touching the Iceberg, from anywhere on the stage, including above the upper blast line, resulting in an immediate KO. On some stages this only occurs briefly, while on others it persists until the final smash ends. The snowflake hit effect from this will appear at the 0,0 co-ordinates on the stage.
The Ice Climbers' Final Smash. This giant ice mountain appears in the middle of a stage--it's incredibly slippery, so it's hard to control yourself when traversing it. In addition to being slick, this ice is also COLD, so opponents will take damage just from touching it. Attack the ice, and it will take damage and slowly shrink. Is it actually useful? That's a mystery.
This move is entirely original to the Super Smash Bros. series, and makes no reference to the Ice Climbers game and it’s only based on real life Icebergs. However, in Ultimate two characters from Ice Climber were added, with both the Polar Bear and the Condor from the game appearing as part of the Final Smash.
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