Wilt Chamberlain had the most games by a 25-year-old player with 40+ points, with 63 games.

Interpreted as:

most 40 or more points regular-season game by a player as a 25 year old

	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	63	3,434	48.7	54.5	25.8	2.4			21.7	42.0	51.8				11.0	17.6	62.5	54.8				3,069	1,628	152				102
2	Michael Jordan M. Jordan	22	1,039	41.8	47.2	7.3	5.9	3.6	1.1	17.4	28.2	61.7	0.5	1.8	25.6	12.0	14.1	84.8	68.6	2.0	5.3	3.3	920	161	129	80	24	72	70
3	Allen Iverson A. Iverson	17	761	45.1	44.8	4.1	4.1	2.8	0.4	16.1	31.8	50.5	2.1	4.9	42.2	10.6	12.4	85.7	60.1	1.0	3.1	3.5	767	69	69	47	6	60	39	+143
4	Kevin Durant K. Durant	14	625	43.1	44.6	6.6	5.7	1.6	0.9	14.4	27.4	52.3	3.9	8.6	44.6	12.1	14.4	83.7	66.1	0.4	6.2	3.9	603	93	80	23	12	54	29	+57
5	Oscar Robertson O. Robertson	11	483	47.9	43.9	9.4	10.7			15.0	26.4	56.9				13.9	15.6	89.0	66.0				527	103	118				42
6	James Harden J. Harden	10	445	40.6	44.5	6.1	7.2	2.8	0.5	12.5	24.0	52.1	4.3	9.3	46.2	15.2	17.4	87.4	70.3	1.5	4.6	3.9	406	61	72	28	5	39	22	+105
7	Adrian Dantley A. Dantley	9	406	44.6	45.1	6.3	4.6		0.1	16.2	26.0	62.4	0.1	0.1	100.0	12.6	14.9	84.3	69.3				401	57	41		1		32
8	Jack Twyman J. Twyman	9	403		44.8	9.9				16.3						12.1	14.2	85.2						89					35
9	Elgin Baylor E. Baylor	9	414		46.0	18.9				17.8						10.4	14.0	74.6						170					30
10	Kiki VanDeWeghe K. VanDeWeghe	8	355	40.3	44.4	5.0	3.6	0.9	1.0	18.1	26.9	67.4	0.3	0.4	66.7	7.9	8.4	94.0	72.6	1.4	3.6	1.6	322	40	29	7	8	13	23
11	World B. Free W. B. Free	8	356	42.4	44.5	4.3	4.1			15.8	28.4	55.5	0.3	0.3	100.0	12.9	15.3	84.4	63.4			4.0	339	34	33			32	28
12	Anthony Davis A. Davis	7	303	39.8	43.3	13.1	3.9	1.9	1.4	15.7	28.6	55.0	0.9	3.1	27.3	11.0	12.7	86.5	63.3	4.3	8.9	1.3	279	92	27	13	10	9	21	+22
13	Carmelo Anthony C. Anthony	7	299	42.3	42.7	6.7	4.3	0.9	0.6	14.7	27.4	53.6	1.4	3.9	37.0	11.9	13.4	88.3	64.1	2.4	4.3	2.3	296	47	30	6	4	16	27	+24
14	Kareem Abdul-Jabbar K. Abdul-Jabbar	7	309	44.3	44.1	20.0	4.0			20.0	30.1	66.4				4.1	6.6	63.0	66.8				310	140	28				17
15	Shai Gilgeous-Alexander S. Gilgeous-Alexander	6	246	37.4	41.0	6.0	6.7	1.8	1.5	13.7	23.0	59.4	1.5	3.2	47.4	12.2	13.5	90.1	70.8	1.2	4.8	2.8	224	36	40	11	9	17	13	+63
16	Kevin Love K. Love	6	255	38.6	42.5	15.5	3.3	0.7	0.0	13.2	23.5	56.0	4.3	7.7	56.5	11.8	13.3	88.8	72.4	3.3	12.2	3.3	232	93	20	4	0	20	7	-11
17	LeBron James L. James	6	261	44.3	43.5	10.2	8.7	2.2	1.7	15.0	27.3	54.9	2.8	7.8	36.2	10.7	13.7	78.0	65.2	1.3	8.8	3.5	266	61	52	13	10	21	8	+33
18	Tracy McGrady T. McGrady	6	263	44.0	43.8	9.2	5.7	2.5	1.2	15.2	27.8	54.5	3.8	7.5	51.1	9.7	12.8	75.3	65.5	1.8	7.3	2.3	264	55	34	15	7	14	15	+55
19	Mark Aguirre M. Aguirre	6	263	37.5	43.8	6.7	3.5	0.7	0.8	16.7	26.3	63.3	0.8	2.0	41.7	9.7	12.0	80.6	69.3	2.5	4.2	2.5	225	40	21	4	5	15	24
20	Moses Malone M. Malone	6	254	43.7	42.3	17.0	1.3		1.7	15.2	23.8	63.6	0.0			12.0	15.2	79.1	69.4				262	102	8		10		18
21	Elvin Hayes E. Hayes	6	263	46.2	43.8	20.5	2.5			16.7	33.8	49.3				10.5	14.2	74.1	54.7				277	123	15				11
22	Lou Hudson L. Hudson	6	277		46.2	6.3				19.2	30.0	63.9				7.8	8.7	90.4	68.3					38					23
23	Jerry West J. West	6	254		42.3					14.7						13.0	15.3	84.8											24
24	Jayson Tatum J. Tatum	5	211	41.0	42.2	10.0	4.0	0.6	0.6	13.2	25.6	51.6	6.4	12.8	50.0	9.4	10.4	90.4	69.9	0.6	9.4	1.6	205	50	20	3	3	8	10	+59
25	Bradley Beal B. Beal	5	209	46.8	41.8	7.4	9.8	1.2	1.0	15.4	28.0	55.0	6.0	11.8	50.8	5.0	6.2	80.6	68.0	2.4	5.0	3.8	234	37	49	6	5	19	17	+21