Stephen Curry has the most career quarters when scoring 18+ points, with 66 quarters.

Interpreted as:

most quarters by a player with 18 or more points

	NAME	QTRS	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	+/-
1	Stephen Curry S. Curry	66	1,376	62	8.4	22.2	1.7	1.8	0.6	0.1	7.2	10.0	72.1	4.6	6.4	71.7	3.2	3.4	93.9	96.5	0.2	1.5	0.9	523	107	113	40	5	56	42	+538
2	James Harden J. Harden	65	1,304	62	8.8	21.0	1.9	2.2	0.5	0.2	6.4	9.2	68.9	3.1	4.7	65.6	5.2	5.8	90.0	89.2	0.3	1.6	1.1	548	116	138	34	15	68	62	+487
3	Damian Lillard D. Lillard	52	1,054	50	10.4	21.1	1.9	1.6	0.3	0.1	6.7	10.0	67.3	3.6	5.6	64.2	4.0	4.4	90.5	88.2	0.3	1.6	0.8	518	95	79	14	4	40	34	+356
4	Devin Booker D. Booker	45	941	43	11.4	21.9	1.9	1.5	0.4	0.2	7.5	10.4	72.3	2.7	3.8	71.6	4.1	4.4	92.7	88.4	0.2	1.7	0.8	489	82	64	16	8	35	44	+311
5	Luka Dončić L. Dončić	41	839	38	12.7	22.1	3.5	2.6	0.3	0.3	7.8	10.9	70.9	3.2	5.2	62.8	3.3	4.2	78.3	86.2	0.4	3.1	1.2	481	134	99	12	12	46	39	+310
6	Giannis Antetokounmpo G. Antetokounmpo	32	623	31	10.3	20.1	3.7	1.1	0.4	0.3	7.1	9.3	76.3	0.8	1.4	57.1	5.2	6.7	77.4	82.3	0.8	2.9	0.9	319	116	35	13	8	27	34	+223
7	Jayson Tatum J. Tatum	30	575	29	12.1	19.8	3.3	1.4	0.3	0.2	6.9	9.6	71.6	3.0	4.5	65.6	3.1	3.7	85.8	88.6	0.3	3.0	0.6	350	96	41	9	6	18	17	+325
8	DeMar DeRozan D. DeRozan	30	565	30	11.1	18.8	1.9	1.4	0.3	0.1	6.7	9.9	67.1	0.8	1.4	55.8	4.7	5.2	90.4	77.1	0.6	1.3	0.7	333	57	41	9	2	22	22	+154
9	Joel Embiid J. Embiid	28	575	26	11.6	22.1	4.8	1.0	0.3	0.7	7.5	10.0	75.3	0.5	1.0	52.0	6.6	7.2	92.5	84.4	1.2	3.7	0.7	300	126	25	8	17	17	29	+257
10	Anthony Edwards A. Edwards	26	500	26	11.5	19.2	1.9	1.2	0.3	0.4	6.3	9.1	69.6	3.3	5.1	65.2	3.2	3.6	90.3	90.0	0.4	1.5	0.9	299	50	31	8	10	23	18	+219
11	Kyrie Irving K. Irving	26	514	26	10.4	19.8	1.7	1.3	0.3	0.2	6.9	9.3	74.7	2.5	3.6	70.2	3.4	3.7	91.7	90.7	0.4	1.2	0.8	271	43	34	8	4	21	22	+233
12	Anthony Davis A. Davis	26	505	25	10.0	20.2	4.7	0.7	0.6	0.8	6.6	9.0	73.5	0.8	1.1	77.8	6.1	6.5	93.8	84.9	1.5	3.2	0.6	249	117	18	14	21	16	14	+173
13	Zach LaVine Z. LaVine	26	524	25	10.3	21.0	1.6	0.8	0.6	0.1	7.6	10.4	73.2	3.4	4.7	73.5	2.2	2.3	96.6	91.4	0.2	1.4	0.8	258	40	20	14	2	20	19	+201
14	Russell Westbrook R. Westbrook	25	497	24	7.6	20.7	3.1	1.7	0.5	0.0	7.1	10.6	67.1	2.1	3.8	56.7	4.3	5.1	84.6	80.4	0.5	2.6	0.8	183	74	41	11	1	20	24	+127
15	Trae Young T. Young	24	472	24	10.1	19.7	1.0	2.3	0.5	0.1	6.1	8.3	73.0	2.9	4.3	67.3	4.6	4.8	94.8	94.0	0.1	1.0	1.2	242	25	56	13	2	28	16	+197
16	Kemba Walker K. Walker	23	455	23	7.6	19.8	1.7	0.8	0.4	0.1	6.7	9.2	72.2	3.1	4.4	70.3	3.4	3.8	89.7	90.9	0.2	1.4	0.7	175	38	19	10	2	16	15	+122
17	Karl-Anthony Towns K. Towns	22	445	21	11.2	21.2	4.5	1.0	0.5	0.1	7.6	9.9	76.4	2.2	3.2	70.1	3.8	4.8	80.0	88.3	1.3	3.2	1.0	236	94	21	10	2	21	18	+186
18	Donovan Mitchell D. Mitchell	21	421	20	11.3	21.1	2.4	1.3	0.3	0.2	7.0	10.6	65.9	2.5	4.2	60.2	4.7	5.3	87.7	81.7	0.6	1.8	0.7	226	47	25	5	3	13	20	+117
19	Klay Thompson K. Thompson	20	430	19	7.9	22.6	0.9	0.7	0.2	0.1	8.2	10.6	77.1	5.0	6.6	75.4	1.3	1.4	96.2	101.2	0.0	0.9	0.7	151	17	14	4	2	14	8	+180
20	CJ McCollum	19	381	18	11.5	21.2	1.9	1.2	0.4	0.3	7.5	9.7	77.1	3.4	4.6	75.6	2.7	2.9	92.5	96.1	0.7	1.2	1.0	207	34	21	7	6	18	13	+180
21	LeBron James L. James	19	372	19	8.5	19.6	2.4	1.6	0.5	0.2	7.2	10.0	71.6	2.3	3.6	63.8	2.9	3.4	86.2	85.1	0.5	1.9	0.5	161	46	31	9	3	10	13	+144
22	Nikola Jokić N. Jokić	18	359	18	11.4	19.9	4.2	1.9	0.8	0.5	7.7	11.2	68.7	1.7	2.7	62.5	2.9	3.6	82.8	78.3	1.7	2.4	0.8	206	75	35	14	9	14	17	+157
23	Bradley Beal B. Beal	18	365	17	11.8	21.5	2.0	1.4	0.7	0.0	7.4	10.4	70.6	3.1	4.1	75.4	3.7	4.2	88.7	87.6	0.6	1.4	1.1	200	34	24	12	0	18	13	+93
24	Kevin Durant K. Durant	16	319	16	11.5	19.9	2.4	1.6	0.3	0.5	7.4	9.9	74.8	2.1	3.2	64.7	3.0	3.3	90.6	87.5	0.1	2.3	0.8	183	39	25	4	8	12	12	+140
25	Paul George P. George	15	302	15	8.2	20.1	3.2	1.0	0.7	0.1	6.5	9.4	68.8	3.1	4.7	64.8	4.1	4.7	87.3	87.7	0.6	2.6	0.3	124	48	15	10	2	5	9	+110