Samus (SSBU)/Up special

Hitbox visualization showing Samus's up special, Screw Attack, when aerial.

Hitbox visualization showing Samus's up special, Screw Attack, when grounded.

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Hitboxes

Grounded

ID	Part	Rehit rate	Damage	SD	Angle	Angle type	BK	KS	FKV	Set weight	Radius	Bone	Offset			H×	SDI×	T%	Clang	Rebound	Effect	Type	G	A	Sound	Direct	Hit bits	Hit part	Blockable	Reflectable	Absorbable	Piercing	Heedless	No GFX	Flinchless
Hit 1
0	0	0	3.0%	0		Standard	0	100	200		3.2	top	0.0	0.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
1	0	0	3.0%	0		Standard	0	100	200		3.2	top	0.0	0.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	0	3.0%	0		Standard	0	100	200		3.2	top	0.0	9.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
3	0	0	3.0%	0		Standard	0	100	200		3.2	top	0.0	9.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
Multihits (early)
0	0	3	1.0%	0		Standard	0	100	180		3.2	top	0.0	2.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
1	0	3	1.0%	0		Standard	0	100	180		3.2	top	0.0	2.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	3	1.0%	0		Standard	0	100	80		3.0	top	0.0	9.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	3	1.0%	0		Standard	0	100	80		3.0	top	0.0	9.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
Multihits (mid)
0	0	3	1.0%	0		Standard	0	100	100		3.2	top	0.0	2.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
1	0	3	1.0%	0		Standard	0	100	100		3.2	top	0.0	2.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	3	1.0%	0		Standard	0	100	40		3.0	top	0.0	9.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
3	0	3	1.0%	0		Standard	0	100	40		3.0	top	0.0	9.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
Multihits (late)
0	0	3	1.0%	0		Standard	0	100	40		3.2	top	0.0	2.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
1	0	3	1.0%	0		Standard	0	100	40		3.2	top	0.0	2.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	3	1.0%	0		Standard	0	100	20		3.0	top	0.0	9.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
3	0	3	1.0%	0		Standard	0	100	20		3.0	top	0.0	9.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
Final hit
0	0	0	2.0%	0		Standard	56	190	0		10.0	top	0.0	6.5	0.0	2.5×	1.0×	0%							Screw Attack Finish		All	All

Aerial

ID	Part	Rehit rate	Damage	SD	Angle	Angle type	BK	KS	FKV	Set weight	Radius	Bone	Offset			H×	SDI×	T%	Clang	Rebound	Effect	Type	G	A	Sound	Direct	Hit bits	Hit part	Blockable	Reflectable	Absorbable	Piercing	Heedless	No GFX	Flinchless
Multihits (early)
0	0	2	1.0%	3.0		Standard	0	100	115		3.2	top	0.0	2.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
1	0	2	1.0%	3.0		Standard	0	100	115		3.2	top	0.0	2.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	2	1.0%	3.0		Standard	0	100	60		3.0	top	0.0	9.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
3	0	2	1.0%	3.0		Standard	0	100	60		3.0	top	0.0	9.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
Multihits (late)
0	0	2	1.0%	3.0		Standard	0	100	70		3.2	top	0.0	2.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
1	0	2	1.0%	3.0		Standard	0	100	70		3.2	top	0.0	2.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
2	0	2	1.0%	3.0		Standard	0	100	40		3.0	top	0.0	9.0	5.0	0.5×	0.5×	0%							Screw Attack		All	All
3	0	2	1.0%	3.0		Standard	0	100	40		3.0	top	0.0	9.0	-5.0	0.5×	0.5×	0%							Screw Attack		All	All
Final hit
0	0	0	1.0%	3.0		Standard	50	240	0		10.0	top	0.0	6.5	0.0	2.0×	1.0×	0%							Screw Attack		All	All

Timing

Grounded

The move enables ledge grabs from the front starting on frame 8, and from behind starting on frame 28.

Intangibility	3-6
Hit 1	4-6
Multihits (early)	7-11
Multihits (mid)	12-14
Multihits (late)	15-24
Final hit	25-26
Animation length	38

Aerial

The move enables ledge grabs from the front starting on frame 6, and from behind starting on frame 30.

Intangibility	3-4
Multihits (early)	5-10
Multihits (late)	11-26
Final hit	27-28
Animation length	47

Legend (1 square = 1 frame)

Lag time

Hitbox

Hitbox change

Vulnerable

Intangible

Parameters

Initial grounded speed	0.35 (horizontal) 2.8 (vertical)
Air acceleration	0.017
Air speed	0.57
Stick sensitivity to reverse	0.25
Landing lag	24 frames
Helplessness air speed multiplier	0.66

Trivia

• Every hitbox except the final hit is coded as an extended hitbox despite not being extended. This prevents them from interpolating.

Samus's moveset

Neutral attack (1 · 2) · Forward tilt · Up tilt · Down tilt · Dash attack · Forward smash · Up smash · Down smash
Neutral aerial · Forward aerial · Back aerial · Up aerial · Down aerial · Grab aerial
Grab · Pummel · Forward throw · Back throw · Up throw · Down throw
Floor attack (front) · Floor attack (back) · Floor attack (trip) · Edge attack
Neutral special · Side special · Up special · Down special · Final Smash