Dark Samus (SSBU)
Dark Samus (ダークサムス, Dark Samus) is a playable character in Super Smash Bros. Ultimate. She was announced as a newcomer during the August 8th, 2018 Super Smash Bros. Direct alongside Simon, Richter, Chrom, and King K. Rool. Unlike in Brawl, Dark Samus's model is once again based on her appearance in Metroid Prime 3: Corruption. She is an Echo Fighter of Samus, thus being classified as Fighter #04ε.
How to unlock
Complete one of the following:
With the exception of the third method, Dark Samus must then be defeated on Frigate Orpheon.
Differences from Samus
As with certain other Echo Fighters, Dark Samus is nearly identical gameplay-wise to Samus, with largely aesthetic differences. However, she has many basic animations that are different from Samus, a more standard roll which does not involve turning into a Morph Ball, electric effects instead of fire effects for most of Samus's fire-based moves, and different models for both the Morph Ball and Missile. However, Dark Samus's small advantages over Samus (such as a slightly faster roll) are considered to be less situational than Samus's small advantages over Dark Samus (such as the ability to detonate enemy bombs with her flame properties, or a smaller hurtbox after rolling). As such, Dark Samus is commonly agreed to be a straight upgrade from Samus, though the gameplay differences are so marginal that it is ultimately up to preference over which character to choose from.
For a gallery of Dark Samus' hitboxes, see here.
Note: All numbers are listed as base damage, without the 1v1 multiplier.
In competitive play
Classic Mode: The Great Poison Given Form
Dark Samus faces off against protagonist characters while she is teamed up with dark, evil, or corrupted variants of characters from their series, except for the penultimate battle, which is a free-for-all against Samus and Ridley. The name is a reference to the title the Chozo gave to the Metroid Prime experiments and, by extension, Dark Samus herself.
Role in World of Light
Dark Samus is absent from the World of Light opening cutscene, though she was vaporized and placed under Galeem's imprisonment alongside the rest of the playable fighters (excluding Kirby) when Galeem unleashed his beams of light.
Dark Samus was one of the many fighters that fell under Dharkon's control upon Galeem's first defeat, and is found in The Final Battle as one of the last fighters under his command. She is one of the few obligatory unlocks, and defeating her leads to a fight with Crazy Hand and the subsequent reveal of Palutena's location.
Dark Samus's Fighter Spirit can be obtained by completing Classic Mode. It is also available periodically for purchase in the shop for 500 coins. Unlocking Dark Samus in World of Light allows the player to preview the first spirit below in the Spirit List under the name "???". As a Fighter Spirit, it cannot be used in Spirit Battles and is purely aesthetic. Each Fighter Spirit has an alternate version that replaces them with their artwork in Ultimate.
In Spirit battles
As the main opponent
As a minion
Character introduction video