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	Damage	SD	Angle	BK	KS	FKV	Radius	Bone	Offset			SDIx	FFx	T%	Clang	Rebound	Type	Effect	G	A	Sound	Direct	Rehit rate
Hit 1
0	0	3.0%	0		0	100	200	3.2	top	0.0	0.0	5.0	0.5x	0.5x	0%							Screw Attack		0
1	0	3.0%	0		0	100	200	3.2	top	0.0	0.0	-5.0	0.5x	0.5x	0%							Screw Attack		0
2	0	3.0%	0		0	100	200	3.2	top	0.0	9.0	5.0	0.5x	0.5x	0%							Screw Attack		0
3	0	3.0%	0		0	100	200	3.2	top	0.0	9.0	-5.0	0.5x	0.5x	0%							Screw Attack		0
Multihits (early)
0	0	1.0%	0		0	100	180	3.2	top	0.0	2.0	5.0	0.5x	0.5x	0%							Screw Attack		3
1	0	1.0%	0		0	100	180	3.2	top	0.0	2.0	-5.0	0.5x	0.5x	0%							Screw Attack		3
2	0	1.0%	0		0	100	80	3.0	top	0.0	9.0	5.0	0.5x	0.5x	0%							Screw Attack		3
3	0	1.0%	0		0	100	80	3.0	top	0.0	9.0	-5.0	0.5x	0.5x	0%							Screw Attack		3
Multihits (mid)
0	0	1.0%	0		0	100	100	3.2	top	0.0	2.0	5.0	0.5x	0.5x	0%							Screw Attack		3
1	0	1.0%	0		0	100	100	3.2	top	0.0	2.0	-5.0	0.5x	0.5x	0%							Screw Attack		3
2	0	1.0%	0		0	100	40	3.0	top	0.0	9.0	5.0	0.5x	0.5x	0%							Screw Attack		3
3	0	1.0%	0		0	100	40	3.0	top	0.0	9.0	-5.0	0.5x	0.5x	0%							Screw Attack		3
Multihits (late)
0	0	1.0%	0		0	100	40	3.2	top	0.0	2.0	5.0	0.5x	0.5x	0%							Screw Attack		3
1	0	1.0%	0		0	100	40	3.2	top	0.0	2.0	-5.0	0.5x	0.5x	0%							Screw Attack		3
2	0	1.0%	0		0	100	20	3.0	top	0.0	9.0	5.0	0.5x	0.5x	0%							Screw Attack		3
3	0	1.0%	0		0	100	20	3.0	top	0.0	9.0	-5.0	0.5x	0.5x	0%							Screw Attack		3
Final hit
0	0	2.0%	0		56	190	0	10.0	top	0.0	6.5	0.0	1.0x	2.5x	0%							Screw Attack Finish		0
Hit 1 and the multihits use weight-independent knockback.

Aerial

ID	Part	Damage	SD	Angle	BK	KS	FKV	Radius	Bone	Offset			SDIx	FFx	T%	Clang	Rebound	Type	Effect	G	A	Sound	Direct	Rehit rate
Multihits (early)
0	0	1.0%	3.0		0	100	115	3.2	top	0.0	2.0	5.0	0.5x	0.5x	0%							Screw Attack		2
1	0	1.0%	3.0		0	100	115	3.2	top	0.0	2.0	-5.0	0.5x	0.5x	0%							Screw Attack		2
2	0	1.0%	3.0		0	100	60	3.0	top	0.0	9.0	5.0	0.5x	0.5x	0%							Screw Attack		2
3	0	1.0%	3.0		0	100	60	3.0	top	0.0	9.0	-5.0	0.5x	0.5x	0%							Screw Attack		2
Multihits (late)
0	0	1.0%	3.0		0	100	70	3.2	top	0.0	2.0	5.0	0.5x	0.5x	0%							Screw Attack		2
1	0	1.0%	3.0		0	100	70	3.2	top	0.0	2.0	-5.0	0.5x	0.5x	0%							Screw Attack		2
2	0	1.0%	3.0		0	100	40	3.0	top	0.0	9.0	5.0	0.5x	0.5x	0%							Screw Attack		2
3	0	1.0%	3.0		0	100	40	3.0	top	0.0	9.0	-5.0	0.5x	0.5x	0%							Screw Attack		2
Final hit
0	0	1.0%	3.0		50	240	0	10.0	top	0.0	6.5	0.0	1.0x	2.0x	0%							Screw Attack		0
The multihits use weight-independent knockback.

Timing

Grounded

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

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

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