Stephen Curry has put up the most career points in the playoffs in overtime, with 30 points.

Interpreted as:

most points by a player in NBA overtime playoffs

NAME	PTS	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	REB	AST	STL	BLK	TOV	PF	+/-
Stephen Curry	30	7		4.3	0.9	0.6	0.1	0.0	1.0	3.0	33.3	0.6	1.3	44.4	1.7	1.7	100.0	57.1	0.1	0.7	0.4		6	4	1	0	3	2
Khris Middleton	26	8		3.3	0.6	0.3	0.1	0.0	1.0	3.1	32.0	0.3	1.0	25.0	1.0	1.1	88.9	44.9	0.0	0.6	0.3		5	2	1	0	2	4
Jayson Tatum	24	6	5.0	4.0	1.2	0.2	0.3	0.2	1.2	2.3	50.0	0.3	1.0	33.3	1.3	1.5	88.9	66.8	0.2	1.0	0.8	30	7	1	2	1	5	3	+10
Damian Lillard	21	5		4.2	0.6	0.6	0.2	0.2	1.4	3.0	46.7	0.8	1.8	44.4	0.6	0.6	100.0	64.3	0.2	0.4	0.2		3	3	1	1	1	1
Jamal Murray	19	3	4.8	6.3	1.3	1.3	0.0	0.0	2.7	3.7	72.7	1.0	1.3	75.0	0.0	0.0		86.4	0.7	0.7	0.3	14	4	4	0	0	1	1	+6
Draymond Green	17	7		2.4	1.9	1.0	0.4	0.4	0.7	1.4	50.0	0.3	0.4	66.7	0.7	1.0	71.4	65.0	0.6	1.3	0.1		13	7	3	3	1	4
LeBron James	16	6		2.7	1.7	0.7	0.0	0.3	0.8	4.0	20.8	0.2	1.0	16.7	0.8	1.2	71.4	29.5	0.5	1.2	0.7		10	4	0	2	4	1
Kawhi Leonard	16	4		4.0	0.3	0.8	0.3	0.5	1.8	3.8	46.7	0.5	1.0	50.0	0.0	0.0		53.3	0.0	0.3	0.3		1	3	1	2	1	2
Al Horford	15	7		2.1	1.1	0.3	0.4	0.3	0.7	1.6	45.5	0.0	0.6	0.0	0.7	0.9	83.3	55.0	0.1	1.0	0.0		8	2	3	2	0	3
Giannis Antetokounmpo	15	6		2.5	2.8	0.5	0.2	0.0	1.0	2.0	50.0	0.0	0.0		0.5	1.7	30.0	45.7	1.2	1.7	0.5		17	3	1	0	3	6
Isaiah Thomas	14	2		7.0	0.5	0.5	0.0	0.5	2.5	3.0	83.3	0.5	0.5	100.0	1.5	1.5	100.0	95.6	0.0	0.5	0.0		1	1	0	1	0	1
Joel Embiid	13	4	4.9	3.3	1.3	0.8	0.3	0.3	1.0	2.0	50.0	0.3	0.5	50.0	1.0	1.3	80.0	63.7	0.8	0.5	0.5	20	5	3	1	1	2	8	+7
Danny Green	13	5		2.6	0.6	0.2	0.0	0.0	0.8	1.4	57.1	0.6	1.2	50.0	0.4	0.6	66.7	78.1	0.0	0.6	0.0		3	1	0	0	0	2
DeMar DeRozan	13	5		2.6	1.4	0.2	0.0	0.2	1.2	2.4	50.0	0.0	0.2	0.0	0.2	0.4	50.0	50.5	0.0	1.4	0.6		7	1	0	1	3	4
Goran Dragic	12	6		2.0	0.5	0.2	0.0	0.0	0.7	1.2	57.1	0.2	0.5	33.3	0.5	0.5	100.0	72.1	0.0	0.5	0.2		3	1	0	0	1	2
Jeff Teague	12	3		4.0	0.3	0.0	0.0	0.0	1.0	3.7	27.3	0.7	2.3	28.6	1.3	1.3	100.0	47.0	0.0	0.3	0.0		1	0	0	0	0	0
Tyrese Maxey	11	3	5.0	3.7	0.7	0.3	0.0	0.0	1.3	3.0	44.4	0.3	1.0	33.3	0.7	0.7	100.0	55.7	0.0	0.7	0.7	15	2	1	0	0	2	1	+10
Nikola Jokic	11	4	5.0	2.8	0.8	2.0	0.3	0.0	1.0	2.5	40.0	0.3	0.8	33.3	0.5	0.5	100.0	50.6	0.0	0.8	0.5	20	3	8	1	0	2	1	+4
CJ McCollum	11	4		2.8	0.0	0.0	0.5	0.3	1.3	3.0	41.7	0.3	1.3	20.0	0.0	0.0		45.8	0.0	0.0	0.3		0	0	2	1	1	3
JJ Redick	11	2		5.5	0.5	0.5	0.0	0.0	2.0	3.0	66.7	1.5	2.5	60.0	0.0	0.0		91.7	0.0	0.5	0.0		1	1	0	0	0	0
Monte Morris	10	2	5.0	5.0	1.0	0.0	0.0	0.0	1.5	2.0	75.0	1.5	1.5	100.0	0.5	1.0	50.0	102.5	0.0	1.0	0.0	10	2	0	0	0	0	0	+10
James Harden	10	5	4.2	2.0	1.2	0.4	0.4	0.0	0.8	2.6	30.8	0.4	1.8	22.2	0.0	0.0		38.5	0.0	1.2	0.8	21	6	2	2	0	4	6	-1
Jaylen Brown	10	7	4.1	1.4	1.1	0.0	0.1	0.0	0.6	1.3	44.4	0.0	0.1	0.0	0.3	0.3	100.0	50.6	0.1	1.0	0.0	28	8	0	1	0	0	0	+9
Mike Conley	10	2	5.0	5.0	1.0	1.0	0.0	0.0	1.5	3.0	50.0	0.5	2.0	25.0	1.5	2.0	75.0	64.4	0.0	1.0	0.5	10	2	2	0	0	1	0	+8
Brook Lopez	10	7		1.4	1.1	0.1	0.0	0.3	0.3	0.6	50.0	0.0	0.0		0.9	1.0	85.7	70.6	0.3	0.9	0.0		8	1	0	2	0	3