Stephen Curry has the most games by a player 30 or older with 50+ points, with 8 games.

Interpreted as:

most 50 or more point regular-season games after turning 30 years old by a player

	NAME	GP	PTS	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	8	433	36.5	54.1	5.1	5.3	0.9	0.5	17.4	29.0	59.9	9.3	17.0	54.4	10.1	10.6	95.3	80.4	0.5	4.6	3.0	292	41	42	7	4	24	11	+67
2	Wilt Chamberlain W. Chamberlain	7	410		58.6	30.6				24.7	32.3	76.5				9.1	20.6	44.4	70.8					214					11
3	Damian Lillard D. Lillard	6	343	40.1	57.2	4.8	7.0	1.2	0.0	17.5	29.2	60.0	7.7	15.3	50.0	14.5	15.2	95.6	79.8	0.7	4.2	3.3	241	29	42	7	0	20	8	+53
4	Michael Jordan M. Jordan	6	312	40.2	52.0	6.8	2.8	2.5	0.3	20.0	33.5	59.7	2.2	4.0	54.2	9.8	10.8	90.8	67.9	1.5	5.3	2.0	241	41	17	15	2	12	14	+40
5	James Harden J. Harden	5	278	38.8	55.6	4.6	7.6	2.4	1.2	16.8	31.6	53.2	7.6	16.2	46.9	14.4	15.2	94.7	72.6	1.2	3.4	4.6	194	23	38	12	6	23	18	+84
6	Kevin Durant K. Durant	4	210	42.4	52.5	7.8	6.8	1.0	0.5	18.0	31.8	56.7	5.3	10.0	52.5	11.3	12.5	90.0	70.5	1.0	6.8	3.8	170	31	27	4	2	15	13	+32
7	LeBron James L. James	4	214	38.9	53.5	9.0	4.8	1.3	1.3	19.8	30.3	65.3	5.0	8.0	62.5	9.0	10.0	90.0	77.2	2.0	7.0	3.0	155	36	19	5	5	12	8	+61
8	Rick Barry R. Barry	3	161	44.3	53.7	6.3	6.3	3.7	0.3	21.3	39.3	54.2				11.0	12.0	91.7	60.1	1.0	5.3	2.0	133	19	19	11	1	4	7
9	Kobe Bryant K. Bryant	2	121	39.5	60.5	2.0	3.5	0.5	1.0	20.5	40.5	50.6	4.5	13.5	33.3	15.0	16.0	93.8	63.6	0.0	2.0	2.0	79	4	7	1	2	4	2	+26
10	Allen Iverson A. Iverson	2	104	46.3	52.0	4.0	6.5	1.5	0.0	17.5	29.0	60.3	0.0	1.0	0.0	17.0	19.5	87.2	69.2	0.0	4.0	2.5	93	8	13	3	0	5	4	-9
11	Allan Houston A. Houston	2	103	43.5	51.5	3.0	3.0	1.0	0.0	15.5	27.0	57.4	5.0	9.5	52.6	15.5	16.5	93.9	75.2	0.5	2.5	0.0	87	6	6	2	0	0	6	+11
12	Karl Malone K. Malone	2	107	43.5	53.5	11.5	2.5	1.0	2.0	18.5	28.5	64.9	0.5	0.5	100.0	16.0	19.5	82.1	72.1	4.0	7.5	2.5	87	23	5	2	4	5	7	+1
13	Bernard King B. King	2	102	43.5	51.0	7.0	4.0	2.5	0.0	19.0	33.0	57.6	0.0	1.0	0.0	13.0	15.0	86.7	64.4	3.0	4.0	4.0	87	14	8	5	0	8	5
14	Tom Chambers T. Chambers	2	116	42.5	58.0	7.0	3.0	1.0	1.0	20.5	30.5	67.2	1.0	1.0	100.0	16.0	18.5	86.5	75.1	2.0	5.0	1.5	85	14	6	2	2	3	9
15	Alex English A. English	2	105	44.0	52.5	3.5	5.0	1.0	0.0	22.5	32.5	69.2	0.0	0.0		7.5	8.0	93.8	72.9	1.0	2.5	2.0	88	7	10	2	0	4	8
16	CJ McCollum	1	50	30.7	50.0	3.0	2.0	0.0	0.0	18.0	27.0	66.7	10.0	16.0	62.5	4.0	4.0	100.0	86.9	1.0	2.0	1.0	31	3	2	0	0	1	2	+21
17	Jrue Holiday J. Holiday	1	51	32.5	51.0	8.0	8.0	1.0	1.0	20.0	30.0	66.7	3.0	6.0	50.0	8.0	10.0	80.0	74.1	5.0	3.0	6.0	32	8	8	1	1	6	3	+26
18	Klay Thompson K. Thompson	1	54	45.9	54.0	8.0	3.0	0.0	1.0	21.0	39.0	53.8	10.0	21.0	47.6	2.0	2.0	100.0	67.7	2.0	6.0	3.0	46	8	3	0	1	3	4	+13
19	DeMar DeRozan D. DeRozan	1	50	43.4	50.0	5.0	6.0	1.0	0.0	17.0	26.0	65.4	2.0	2.0	100.0	14.0	15.0	93.3	76.7	0.0	5.0	2.0	43	5	6	1	0	2	4	+19
20	Eric Gordon E. Gordon	1	50	38.3	50.0	6.0	3.0	2.0	1.0	14.0	22.0	63.6	6.0	11.0	54.5	16.0	20.0	80.0	81.2	0.0	6.0	2.0	38	6	3	2	1	2	0	+12
21	Jamal Crawford J. Crawford	1	51	38.1	51.0	5.0	5.0	1.0	1.0	18.0	30.0	60.0	7.0	13.0	53.8	8.0	9.0	88.9	75.1	0.0	5.0	4.0	38	5	5	1	1	4	4	-5
22	LaMarcus Aldridge L. Aldridge	1	56	48.6	56.0	9.0	4.0	0.0	4.0	20.0	33.0	60.6	0.0	0.0		16.0	16.0	100.0	69.9	4.0	5.0	5.0	49	9	4	0	4	5	2	+7
23	Derrick Rose D. Rose	1	50	40.9	50.0	4.0	6.0	1.0	1.0	19.0	31.0	61.3	4.0	7.0	57.1	8.0	11.0	72.7	69.8	0.0	4.0	6.0	41	4	6	1	1	6	4	+10
24	Lou Williams L. Williams	1	50	35.1	50.0	2.0	7.0	0.0	0.0	16.0	27.0	59.3	8.0	16.0	50.0	10.0	10.0	100.0	79.6	0.0	2.0	4.0	35	2	7	0	0	4	0	+8
25	Mo Williams M. Williams	1	52	43.8	52.0	4.0	7.0	0.0	0.0	19.0	33.0	57.6	6.0	11.0	54.5	8.0	9.0	88.9	70.3	0.0	4.0	3.0	44	4	7	0	0	3	2	+14