A dash attack (ダッシュ攻撃) is an attack performed by pressing the attack button while dashing. Most dash attacks come out quickly, but have noticeable ending lag and are predictable, making them very easy to punish (particularly using a shield grab). Dash attacks typically use the momentum behind the dash to pull off some sort of attack, like a sliding kick. Another less common way to perform dash attacks is to tilt the C-Stick down (Brawl and SSB4 only) or forward with it set to either Smash or Tilt after initiating the dash; this can be more useful as it allows the player to instantly use a dash attack during the first frames after tapping the Control Stick to dash, without accidentally performing a forward smash.
In Brawl, many dash attacks can be interrupted by performing an up smash, which is known as a dash attack canceled up smash (abbreviated as DACUS). While this is often used to increase the distance of certain up smashes without actually hitting with the dash attack, some characters such as Falco have fast enough dash attacks that can hit the opponent before being canceled into the up smash; connecting with both is known as a Gatling Combo. A dash attack can also be grab canceled, leading into a boost grab; unlike the DACUS, which can only be done in Brawl, the boost grab can be performed in every game in the series starting with Melee.
Skilled players generally avoid using the majority of dash attacks by themselves to approach (with the exception of a few of the more useful ones that can also be used in combos), as they are usually predictable and can be easily punished, as mentioned above. However, many players use dash attacks to perform cross-ups, which place the user behind their opponent, putting them in a less vulnerable position. In Brawl, the DACUS can also a good approach option, because depending on the character, it sends the user a further distance and leaves them in a less vulnerable position to be punished.
Dash attacks in Super Smash Bros.
Dash attacks in Super Smash Bros. Melee
If the grab button or either of the shield buttons are pressed repeatedly right after attempting a dash attack, the attack will be cancelled and turned into a boost grab.
Dash attacks in Super Smash Bros. Brawl
Stalled dash attack
A stalled dash attack is essentially a dash attack that is performed at the last possible frame of the characters' running animation, similar to dash dancing in Melee. The character will perform their dash attack while they appear to stand still instead of their basic neutral attack. This is most notable when used by Snake, Luigi, and Donkey Kong.
Dash attacks in Super Smash Bros. 4
Most dash attacks in SSB4 have high base knockback, but low knockback scaling. As such, most are useful for throwing the opponent off, but are ineffective KO tools for anything other than Sudden Death, Horde Battles in Special Orders, or other lightweight scenarios. Exceptions are listed below.
* This assumes the Mii's default height and weight.
Dash attacks in Super Smash Bros. Ultimate
Notable dash attacks
Super Smash Bros. for Wii U digital manual description
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