Stephen Curry has the most games with 50+ points and 8+ three-pointers, with 12 games.

player with most 50 point games and 8 or more three pointers

Interpreted as:

player with most 50 or more point regular-season games and 8 or more three pointers

NAME	GP	PTS	3PM	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PA	3P%	FTM	FTA	FT%	MIN	REB	AST	STL	BLK	TOV	PF	+/-
Stephen Curry	12	643	117	37.2	53.6	5.0	5.5	1.5	0.3	3.5	17.7	28.3	62.4	16.5	59.1	8.5	9.1	93.6	446	60	66	18	4	42	22	+124
Damian Lillard	9	514	85	38.0	57.1	4.8	8.0	1.9	0.1	1.8	17.8	30.7	58.0	15.6	60.7	12.1	12.8	94.8	342	43	72	17	1	16	11	+152
James Harden	8	449	71	39.2	56.1	7.0	8.1	2.4	1.1	4.9	17.3	30.6	56.3	15.0	59.2	12.8	14.0	91.1	314	56	65	19	9	39	21	+143
Klay Thompson	4	218	43	33.6	54.5	4.0	2.3	1.5	0.8	2.3	19.0	31.5	60.3	18.5	58.1	5.8	6.3	92.0	134	16	9	6	3	9	9	+116
Kyrie Irving	3	165	28	37.0	55.0	4.3	5.0	2.3	0.7	2.3	17.3	28.7	60.5	14.3	65.1	11.0	12.0	91.7	111	13	15	7	2	7	7	+62
Kobe Bryant	3	173	26	44.3	57.7	7.3	2.3	3.0	0.0	2.0	19.0	35.0	54.3	14.0	61.9	11.0	12.3	89.2	133	22	7	9	0	6	12	+26
Luka Doncic	2	123	16	44.1	61.5	8.0	11.0	2.5	1.5	4.0	20.0	29.0	69.0	14.5	55.2	13.5	14.0	96.4	88	16	22	5	3	8	3	+29
Jayson Tatum	2	105	17	37.1	52.5	7.5	5.0	0.0	0.0	1.5	17.0	29.0	58.6	14.5	58.6	10.0	11.5	87.0	74	15	10	0	0	3	5	+43
LeBron James	2	116	16	40.6	58.0	6.0	6.5	0.0	0.0	4.0	19.0	31.0	61.3	10.5	76.2	12.0	17.0	70.6	81	12	13	0	0	8	5	+29
Devin Booker	1	52	8	39.4	52.0	3.0	9.0	0.0	1.0	3.0	19.0	28.0	67.9	16.0	50.0	6.0	7.0	85.7	39	3	9	0	1	3	3	+8
Karl-Anthony Towns	1	62	10	37.9	62.0	8.0	2.0	0.0	0.0	7.0	21.0	35.0	60.0	15.0	66.7	10.0	14.0	71.4	38	8	2	0	0	7	2	0
Jalen Brunson	1	50	9	35.2	50.0	6.0	9.0	5.0	0.0	2.0	17.0	23.0	73.9	9.0	100.0	7.0	9.0	77.8	35	6	9	5	0	2	0	+7
Julius Randle	1	57	8	36.9	57.0	4.0	1.0	0.0	0.0	4.0	19.0	29.0	65.5	14.0	57.1	11.0	13.0	84.6	37	4	1	0	0	4	4	-6
Darius Garland	1	51	10	40.0	51.0	2.0	6.0	2.0	0.0	2.0	16.0	31.0	51.6	15.0	66.7	9.0	13.0	69.2	40	2	6	2	0	2	3	+6
Kevin Durant	1	55	8	42.3	55.0	7.0	3.0	1.0	0.0	4.0	19.0	28.0	67.9	10.0	80.0	9.0	11.0	81.8	42	7	3	1	0	4	1	+1
Saddiq Bey	1	51	10	38.7	51.0	9.0	4.0	3.0	0.0	1.0	17.0	27.0	63.0	14.0	71.4	7.0	10.0	70.0	39	9	4	3	0	1	1	+11
Kevin Porter Jr.	1	50	9	41.1	50.0	5.0	11.0	0.0	1.0	5.0	16.0	26.0	61.5	15.0	60.0	9.0	11.0	81.8	41	5	11	0	1	5	5	+19
Jamal Murray	1	50	8	38.3	50.0	6.0	2.0	2.0	0.0	1.0	21.0	25.0	84.0	10.0	80.0	0.0	0.0		38	6	2	2	0	1	4	+24
Fred VanVleet	1	54	11	37.1	54.0	3.0	2.0	3.0	3.0	1.0	17.0	23.0	73.9	14.0	78.6	9.0	9.0	100.0	37	3	2	3	3	1	2	+20
T.J. Warren	1	53	9	40.6	53.0	4.0	3.0	0.0	2.0	1.0	20.0	29.0	69.0	12.0	75.0	4.0	4.0	100.0	41	4	3	0	2	1	4	+18
Bradley Beal	1	55	8	41.0	55.0	2.0	3.0	0.0	0.0	9.0	19.0	33.0	57.6	13.0	61.5	9.0	10.0	90.0	41	2	3	0	0	9	4	-4
Trae Young	1	50	8	39.5	50.0	2.0	8.0	2.0	1.0	7.0	12.0	25.0	48.0	15.0	53.3	18.0	19.0	94.7	40	2	8	2	1	7	4	+10
Lou Williams	1	50	8	35.1	50.0	2.0	7.0	0.0	0.0	4.0	16.0	27.0	59.3	16.0	50.0	10.0	10.0	100.0	35	2	7	0	0	4	0	+8
Isaiah Thomas	1	52	9	37.2	52.0	2.0	0.0	1.0	0.0	2.0	15.0	26.0	57.7	13.0	69.2	13.0	13.0	100.0	37	2	0	1	0	2	2	+10
Terrence Ross	1	51	10	43.9	51.0	9.0	1.0	1.0	0.0	3.0	16.0	29.0	55.2	17.0	58.8	9.0	10.0	90.0	44	9	1	1	0	3	4	-4