| Fighter | Move | Change |
|---|---|---|
| All Fighters | etc. | Made it so opponents can no longer be trapped in place during Kazuya's taunt attack. |
| Mario | Forward Air Attack | Extended range of the high-damage part of the attack. |
| Mario | Up Air Attack | Decreased launch distance. |
| Jigglypuff | Down Tilt Attack | Adjusted launch angle. |
| Jigglypuff | Up Tilt Attack | Increased power. |
| Jigglypuff | Up Smash Attack | Increased power. |
| Jigglypuff | Other | Decreased weight. |
| Peach | Down Air Attack | Made it easier for opponents to escape. |
| Peach | Down Special | Increased the likelihood of pulling a Bob-Omb. |
| Daisy | Down Air Attack | Made it easier for opponents to escape. |
| Daisy | Down Special | Increased the likelihood of pulling a Mr. Saturn. |
| Ice Climbers | Other | Modified Nana's actions while off-stage. |
| Sheik | Neutral Special | Increased power. |
| Sheik | Side Special | Extended the range to latch onto ledges. |
| Zero Suit Samus | Forward Air Attack | Made it easier to hit opponents multiple times. |
| Zero Suit Samus | Up Smash Attack | Made it easier to hit opponents multiple times. |
| Zero Suit Samus | Neutral Special | Extended the time the opponent is trapped. |
| Zero Suit Samus | Back Air Attack | Decreased power. |
| R.O.B. | Up Throw | Increased power. |
| R.O.B. | Down Tilt Attack | Increased the vulnerability when striking an opponent. |
| Pokemon Trainer | Down Special | Reduced the time needed to wait between switching Pokemon. |
| Ridley | Neutral Special | Decreased charge time. |
| Ridley | Side Special | Extended the range to grab opponents. |
| Ridley | Up Special | Extended the range to grab the ledge. |
| Incineroar | Up Special | Modified the horizontal angle when landing. |
| Piranha Plant | Down Special | Extended the time allowed to charge. |
| Piranha Plant | Other | Increased weight. |
| Hero | Down Special | Increased appearance rate of the Kamikazee spell. |
| Steve | Neutral Special | Decreased the vulnerability when building tools. |
| Steve | Side Special | Decreased knockback. |
| Steve | Side Special | Increased the vulnerability for opponents caught by the minecart. |
| Steve | Other | Increased the durability of all golden tools. |
| Sephiroth | Other | Increased weight. |
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