LeBron James has the most games by a player younger than 21 with 30+ points, with 57 games.

who has the most games with 30 points before turning 21

Interpreted as:

Who has the most regular-season games with 30 or more points before turning 21 years old?

NAME	GP	PTS	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	REB	AST	STL	BLK	TOV	PF	+/-
LeBron James	57	2,017	44.1	35.4	7.1	6.2	2.1	0.7	3.5	12.6	24.5	51.3	2.2	5.1	42.1	8.0	10.1	79.9	2,514	405	355	118	38	200	110	+165
Luka Doncic	29	1,005	34.3	34.7	9.8	8.7	1.2	0.3	3.9	11.3	22.1	51.3	4.2	10.2	41.2	7.8	10.3	75.9	996	284	251	34	10	113	72	+218
Kevin Durant	28	959	42.4	34.3	7.5	3.4	1.2	1.1	3.3	12.1	22.0	55.0	1.9	4.0	48.6	8.2	9.2	88.8	1,187	209	96	33	32	93	57	-20
Zion Williamson	24	809	35.4	33.7	7.5	3.7	0.8	0.5	2.9	12.9	19.3	67.1	0.2	0.9	22.7	7.7	10.5	72.7	849	181	89	19	13	69	48	+29
Devin Booker	21	748	39.1	35.6	3.3	4.0	0.8	0.2	3.6	12.1	23.9	50.6	3.6	7.3	49.0	7.9	9.0	86.8	820	69	85	16	4	76	77	-65
Jalen Green	18	603	37.3	33.5	3.9	3.4	0.6	0.4	2.6	11.7	21.9	53.4	4.7	10.0	46.7	5.4	6.8	79.5	671	70	61	11	7	47	34	-16
Carmelo Anthony	17	576	39.6	33.9	6.5	2.7	1.4	0.8	3.4	11.9	21.1	56.4	1.4	3.0	47.1	8.7	10.1	86.0	673	110	46	24	13	57	63	+119
Anthony Edwards	13	487	38.2	37.5	5.7	4.4	1.6	0.8	2.8	13.3	24.3	54.7	5.8	12.2	47.8	5.0	6.6	75.6	497	74	57	21	11	36	30	+98
Kyrie Irving	12	411	36.7	34.3	4.0	4.8	2.4	0.3	3.4	12.2	21.7	56.2	2.7	5.2	51.6	7.3	7.7	94.6	440	48	58	29	4	41	30	+17
Victor Wembanyama	11	365	33.6	33.2	12.5	4.8	1.3	4.2	4.4	11.5	21.6	53.4	3.2	7.6	41.7	6.9	8.5	80.9	370	138	53	14	46	48	25	+51
LaMelo Ball	11	360	36.3	32.7	7.1	7.8	2.5	0.5	3.1	11.6	21.9	53.1	5.6	10.2	55.4	3.8	4.7	80.8	400	78	86	28	5	34	37	+21
Andrew Wiggins	11	349	39.7	31.7	4.8	2.9	0.9	1.2	2.7	11.8	21.2	55.8	2.1	3.7	56.1	6.0	7.9	75.9	436	53	32	10	13	30	25	+23
Trae Young	9	314	38.1	34.9	4.2	10.9	0.6	0.3	3.8	12.0	22.3	53.7	4.6	9.9	46.1	6.3	7.0	90.5	343	38	98	5	3	34	23	+62
John Drew	9	323	37.1	35.9	15.6	3.3				13.2	25.4	52.0				9.4	12.8	73.9	334	140	30				38
Jamal Murray	8	255	35.8	31.9	4.4	3.6	0.8	0.4	1.6	11.8	19.0	61.8	3.9	7.0	55.4	4.5	4.9	92.3	287	35	29	6	3	13	25	+66
Shaquille O'Neal	8	279	40.9	34.9	17.1	1.5	0.6	4.6	4.3	14.0	20.8	67.5	0.0	0.0		6.9	11.4	60.4	327	137	12	5	37	34	27
Paolo Banchero	7	215	35.7	30.7	9.1	4.3	1.3	1.0	3.1	10.1	19.9	51.1	2.0	4.6	43.8	8.4	10.0	84.3	250	64	30	9	7	22	20	+3
Russell Westbrook	7	222	39.4	31.7	5.4	6.4	1.1	0.0	4.3	11.1	21.7	51.3	1.3	3.3	39.1	8.1	9.4	86.4	276	38	45	8	0	30	15	-44
Bernard King	7	250	41.6	35.7	9.9	3.3				14.7	25.7	57.2				6.3	7.6	83.0	291	69	23				25
Karl-Anthony Towns	6	194	35.9	32.3	11.5	1.5	1.0	1.5	2.0	12.5	19.5	64.1	1.0	2.2	46.2	6.3	8.0	79.2	215	69	9	6	9	12	15	-13
Shareef Abdur-Rahim	6	193	40.3	32.2	9.8	2.2	1.5	1.2	2.3	12.3	22.7	54.4	0.2	1.0	16.7	7.3	9.7	75.9	242	59	13	9	7	14	20	+12
Stephon Marbury	6	202	40.3	33.7	3.3	9.5	1.2	0.3	3.2	11.2	20.2	55.4	4.0	6.2	64.9	7.3	10.8	67.7	242	20	57	7	2	19	24	+34
Cliff Robinson	6	207	36.8	34.5	9.0	2.7				15.2	24.8	61.1	0.2			4.0	5.3	75.0	221	54	16				19
Coby White	5	167	34.9	33.4	4.2	4.2	0.6	0.2	2.6	12.0	20.8	57.7	6.0	11.4	52.6	3.4	3.6	94.4	174	21	21	3	1	13	13	+31
Anthony Davis	5	157	41.0	31.4	12.4	2.4	1.2	4.4	2.0	11.8	18.2	64.8	0.0	0.0		7.8	10.0	78.0	205	62	12	6	22	10	12	+14