Wilt Chamberlain had the most games by a player younger than 30 with 50+ points, with 111 games.

Interpreted as:

most 50 or more point regular-season games before 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	Wilt Chamberlain W. Chamberlain	111	6,362	48.8	57.3	26.0				23.4	42.5	55.0				10.5	17.3	60.6	57.1				5,413	2,888					198
2	Michael Jordan M. Jordan	25	1,365	42.9	54.6	7.8	4.9	3.6	1.4	20.0	32.6	61.2	0.9	2.1	44.2	13.8	15.6	88.0	69.1	2.2	5.6	3.1	1,072	195	123	89	35	77	79
3	Kobe Bryant K. Bryant	23	1,256	44.4	54.6	6.7	3.4	1.7	0.4	18.5	34.5	53.7	4.3	9.0	47.1	13.3	15.0	88.7	66.5	1.1	5.6	2.8	1,022	154	79	38	10	64	65	+259
4	James Harden J. Harden	18	979	40.6	54.4	8.8	8.6	2.1	0.4	15.9	30.2	52.9	6.4	14.1	45.3	16.1	17.9	90.1	71.5	1.6	7.2	5.7	731	159	154	38	8	103	55	+211
5	Elgin Baylor E. Baylor	17	930		54.7	18.6				20.5						13.8	17.6	78.0						317					64
6	Rick Barry R. Barry	11	582	44.3	52.9	9.5	6.1	3.3		20.7	38.0	54.5				11.5	12.7	90.0	60.7	1.0	7.3		487	104	67	10			35
7	LeBron James L. James	10	530	44.0	53.0	7.4	8.0	1.6	0.7	17.8	30.8	57.8	5.3	9.8	54.1	12.1	15.5	78.1	70.4	1.2	6.2	3.3	440	74	80	16	7	33	23	+74
8	Kareem Abdul-Jabbar K. Abdul-Jabbar	10	521		52.1	12.7	5.4	0.5	2.5	20.3	31.7	64.0				11.5	15.1	76.2	67.9					127	54	1	5
9	Giannis Antetokounmpo G. Antetokounmpo	9	488	36.8	54.2	14.0	4.8	1.3	0.6	18.9	29.2	64.6	1.6	4.4	35.0	14.9	18.7	79.8	72.4	3.1	10.9	3.3	331	126	43	12	5	30	21	+126
10	Damian Lillard D. Lillard	9	483	38.8	53.7	4.1	7.7	1.6	0.3	16.7	29.6	56.4	7.8	13.9	56.0	12.6	13.4	93.4	75.6	0.3	3.8	1.8	350	37	69	14	3	16	14	+112
11	Allen Iverson A. Iverson	9	478	45.1	53.1	4.4	5.3	2.8	0.2	18.9	34.9	54.1	3.3	6.6	50.8	12.0	15.2	78.8	63.9	1.1	3.3	5.0	406	40	48	25	2	45	26	+78
12	Joel Embiid J. Embiid	8	435	35.3	54.4	13.5	4.9	1.0	2.5	19.1	28.6	66.8	0.9	2.5	35.0	15.3	17.0	89.7	75.3	3.8	9.8	2.9	283	108	39	8	20	23	22	+122
13	Devin Booker D. Booker	8	454	38.9	56.8	5.5	5.4	0.9	0.6	19.9	32.3	61.6	5.5	10.8	51.2	11.5	13.0	88.5	74.7	1.0	4.5	3.5	311	44	43	7	5	28	22	+44
14	Luka Dončić L. Dončić	7	388	41.5	55.4	9.7	8.9	2.4	0.9	18.6	28.3	65.7	6.0	11.7	51.2	12.3	15.6	78.9	78.9	1.0	8.7	4.3	291	68	62	17	6	30	20	+60
15	Kyrie Irving K. Irving	6	326	37.9	54.3	4.8	5.3	2.0	0.5	18.0	29.0	62.1	8.2	12.2	67.1	10.2	11.0	92.4	80.3	1.2	3.7	2.2	228	29	32	12	3	13	17	+106
16	Dominique Wilkins D. Wilkins	6	322	40.7	53.7	6.0	2.3	2.5	1.0	19.3	31.7	61.1	0.7	1.7	40.0	14.3	17.3	82.7	68.3	2.8	3.2	2.8	244	36	14	15	6	17	14
17	Bernard King B. King	6	317	41.5	52.8	8.0	3.3	0.7	0.3	19.5	29.5	66.1	0.0	0.2	0.0	13.8	17.2	80.6	71.3	3.3	4.7	3.2	249	48	20	4	2	19	21
18	Adrian Dantley A. Dantley	6	316	43.5	52.7	7.7	4.2	1.2	0.2	19.3	26.7	72.5	0.0	0.0		14.0	16.3	85.7	77.8			2.7	261	46	25	7	1	16	21
19	Pete Maravich P. Maravich	6	320	46.2	53.3	4.8	4.3			21.0	35.0	60.0				11.3	13.5	84.0	65.1				277	29	26				20
20	Shai Gilgeous-Alexander S. Gilgeous-Alexander	5	262	38.4	52.4	6.4	5.2	1.8	1.0	16.8	30.8	54.5	3.0	7.8	38.5	15.8	17.4	90.8	68.1	1.4	5.0	2.2	192	32	26	9	5	11	15	+67
21	Jayson Tatum J. Tatum	5	269	40.1	53.8	8.4	4.8	0.0	0.4	17.0	28.6	59.4	7.0	11.6	60.3	12.8	14.0	91.4	77.4	1.6	6.8	2.4	201	42	24	0	2	12	13	+69
22	Bradley Beal B. Beal	5	269	40.2	53.8	4.4	3.0	0.8	0.6	18.8	32.6	57.7	5.6	10.6	52.8	10.6	12.2	86.9	70.8	2.4	2.0	4.6	201	22	15	4	3	23	15	+3
23	Anthony Davis A. Davis	5	267	40.0	53.4	15.4	3.8	2.0	2.8	19.8	31.2	63.5	0.8	2.0	40.0	13.0	14.4	90.3	71.1	4.2	11.2	1.8	200	77	19	10	14	9	10	+59
24	Russell Westbrook R. Westbrook	5	270	40.1	54.0	10.8	9.6	2.0	0.2	19.4	39.6	49.0	4.2	12.2	34.4	11.0	13.8	79.7	59.1	2.0	8.8	4.0	200	54	48	10	1	20	16	+28
25	Stephen Curry S. Curry	5	260	38.1	52.0	5.6	6.0	2.2	0.2	18.0	27.2	66.2	10.0	14.6	68.5	6.0	6.6	90.9	86.4	0.2	5.4	4.2	190	28	30	11	1	21	13	+43