most games of 40+ points by a player before age 30

Wilt Chamberlain had the most games by a player younger than 30 with 40+ points, with 257 games.

Interpreted as:

most regular-season games of 40+ points by a player before age 30

	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	257	12,749		49.6	25.6				20.2	37.9	53.3				9.2	16.0	57.7	55.2					6,590					473
2	Michael Jordan M. Jordan	129	5,862	41.6	45.4	6.5	5.6	3.0	1.3	17.0	29.5	57.4	0.5	1.7	31.3	11.0	12.7	86.7	64.7	2.0	4.5	2.9	5,363	840	718	387	167	376	394
3	Kobe Bryant K. Bryant	92	4,205	43.4	45.7	6.1	4.1	1.8	0.7	15.5	30.5	50.7	3.0	6.8	44.8	11.7	13.7	85.6	62.6	1.2	4.9	3.2	3,992	565	380	168	60	293	262	+660
4	James Harden J. Harden	77	3,479	39.7	45.2	7.4	8.1	2.3	0.7	13.3	26.0	51.0	5.4	12.2	44.4	13.3	15.1	87.9	69.3	1.2	6.2	5.1	3,059	567	621	178	51	392	227	+684
5	Elgin Baylor E. Baylor	72	3,315		46.0					17.2						11.6	14.4	80.1											256
6	Oscar Robertson O. Robertson	71	3,040		42.8	9.5	11.1			15.0						12.8	14.5	88.4						677	786				251
7	Kareem Abdul-Jabbar K. Abdul-Jabbar	60	2,656		44.3	16.7	4.2		4.0	17.9						8.4	11.5	73.0						1,002	254		60
8	Allen Iverson A. Iverson	59	2,628	44.8	44.5	4.3	5.4	2.5	0.2	15.6	30.9	50.3	2.3	5.4	42.5	11.1	13.4	82.5	60.4	1.2	3.1	3.8	2,641	255	318	149	11	223	134	+340
9	Bob McAdoo B. McAdoo	58	2,518		43.4	15.5				17.0	28.3	60.0				9.5	12.0	79.1	64.7					899
10	LeBron James L. James	54	2,409	43.1	44.6	8.2	7.1	1.9	0.9	15.5	26.9	57.6	3.3	6.8	48.5	10.3	12.9	79.8	68.4	1.5	6.7	3.6	2,328	443	383	102	48	196	110	+419
11	Giannis Antetokounmpo G. Antetokounmpo	53	2,392	36.6	45.1	12.9	5.4	1.1	1.2	16.5	25.0	66.2	1.4	3.5	39.0	10.7	14.7	72.8	71.8	2.8	10.2	3.3	1,940	685	284	58	63	174	152	+366
12	Luka Dončić L. Dončić	51	2,270	38.8	44.5	9.7	9.1	1.5	0.5	15.0	26.4	57.0	4.9	10.8	45.7	9.5	12.0	79.3	70.3	0.9	8.8	3.8	1,977	495	465	79	23	195	139	+433
13	Kevin Durant K. Durant	51	2,206	42.4	43.3	8.5	4.1	1.2	1.2	14.2	25.3	56.4	3.7	7.6	47.9	11.1	12.6	88.3	70.2	1.0	7.6	3.6	2,161	436	210	62	61	183	119	+286
14	Joel Embiid J. Embiid	48	2,134	36.2	44.5	13.4	4.4	1.3	2.0	15.0	24.8	60.5	1.5	3.8	38.0	13.0	15.0	86.7	70.8	2.9	10.5	3.3	1,736	641	213	60	97	157	156	+533
15	George Gervin G. Gervin	48	2,132	40.0	44.4	5.0	2.8	1.5	0.9	17.5	29.4	59.5	0.5	1.2	37.0	9.1	10.7	85.4	65.1				1,922	239	132	70	41		124
16	Rick Barry R. Barry	46	2,109	43.5	45.8	9.4	4.9	3.1		17.1	33.1	51.5				11.7	13.1	89.4	59.0				2,001	433	224	31			161
17	Jerry West J. West	46	2,050		44.6					15.9						12.8	15.0	85.4
18	Tracy McGrady T. McGrady	45	1,987	41.8	44.2	7.7	5.1	1.7	0.9	15.7	29.5	53.4	3.5	7.4	47.1	9.2	11.9	77.4	63.6	1.8	5.9	2.9	1,880	347	228	78	41	129	88	+219
19	Adrian Dantley A. Dantley	45	1,969	42.2	43.8	7.5	4.6		0.1	15.7	23.6	66.4	0.0			12.4	14.6	84.8	72.8				1,899	337	207		4		150
20	Bob Pettit B. Pettit	42	1,857		44.2					16.2						11.9	14.6	81.5											143
21	Shaquille O'Neal S. O'Neal	40	1,726	41.0	43.2	14.0	2.5	0.9	2.2	17.1	26.2	65.3	0.0	0.1	0.0	9.0	14.9	60.1	65.9	5.4	8.6	2.7	1,638	561	98	34	87	109	116	+184
22	Anthony Davis A. Davis	38	1,683	40.0	44.3	13.9	2.9	2.1	2.1	16.0	27.7	57.8	1.4	3.3	41.7	10.8	12.5	86.9	66.7	3.8	10.1	1.8	1,521	528	110	78	81	68	93	+341
23	Russell Westbrook R. Westbrook	38	1,710	38.8	45.0	9.7	8.6	1.6	0.3	15.4	30.4	50.6	3.1	7.9	39.0	11.2	13.3	84.2	62.1	2.0	7.7	4.8	1,476	367	326	61	10	183	95	+71
24	Devin Booker D. Booker	37	1,711	38.0	46.2	5.3	5.9	1.2	0.5	16.4	27.5	59.8	3.9	8.5	46.3	9.4	10.7	88.4	71.9	0.8	4.5	3.5	1,405	197	219	45	18	130	107	+295
25	Dominique Wilkins D. Wilkins	37	1,671	40.9	45.2	7.3	2.8	2.2	0.8	16.9	30.5	55.5	0.7	1.6	43.1	10.7	12.4	86.1	62.8	3.2	4.1	3.0	1,515	270	105	83	30	112	78