Anthony Edwards has the most games by a player younger than 22 with 5+ three-pointers, with 33 games.

Interpreted as:

most regular-season games with 5 or more 3pm before turning 22 years old by a player

	NAME	GP	3PM	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Anthony Edwards A. Edwards	33	192	36.0	31.1	5.3	4.2	1.8	0.8	11.0	20.8	53.1	10.8	53.6	3.2	4.2	76.4	68.7	0.5	4.8	3.2	1,189	1,027	176	140	59	25	105	74	+232
2	LaMelo Ball L. Ball	31	178	34.1	26.4	6.4	8.3	1.5	0.4	9.1	18.7	48.4	10.8	53.0	2.5	3.0	84.0	65.8	1.3	5.0	3.4	1,057	819	197	258	48	11	105	100	+200
3	Trae Young T. Young	27	158	38.1	37.4	3.8	10.1	1.1	0.2	11.9	23.6	50.5	11.9	49.4	7.7	9.1	84.5	67.7	0.4	3.3	4.9	1,029	1,009	102	273	29	5	133	50	+72
4	Jalen Green J. Green	25	138	33.4	28.6	3.6	3.3	0.8	0.4	9.9	18.3	54.0	10.4	53.3	3.3	4.3	76.6	70.8	0.5	3.0	2.1	836	714	89	82	21	10	52	36	-7
5	Luka Dončić L. Dončić	22	123	34.6	35.6	9.9	9.3	1.0	0.4	11.8	22.9	51.7	10.9	51.5	6.4	8.6	74.2	66.8	1.7	8.1	4.1	761	784	217	204	21	8	90	51	+175
6	Devin Booker D. Booker	20	108	37.2	33.0	4.8	4.3	0.6	0.3	11.2	22.8	49.0	10.0	54.3	5.3	6.3	84.0	64.6	0.4	4.4	3.7	743	659	95	85	12	6	74	66	+3
7	Keyonte George K. George	18	101	32.9	26.6	3.8	5.1	0.7	0.2	8.8	17.3	51.1	10.6	52.9	3.3	4.4	73.8	69.0	0.1	3.7	2.8	592	478	68	92	12	4	51	32	-23
8	Coby White C. White	17	98	31.7	25.1	4.3	3.1	0.9	0.3	8.4	16.2	51.6	10.1	57.3	2.6	2.9	91.8	72.0	0.6	3.6	2.0	538	427	73	53	15	5	34	40	+74
9	Jamal Murray J. Murray	16	89	34.3	29.7	4.8	3.6	0.9	0.4	10.4	18.6	55.7	8.9	62.2	3.4	4.2	80.6	72.5	1.4	3.4	2.8	548	475	77	57	15	6	44	42	+147
10	Victor Wembanyama V. Wembanyama	13	75	35.9	34.0	12.5	4.4	0.9	4.5	11.8	21.9	54.0	11.7	49.3	4.5	5.7	79.7	69.6	1.9	10.5	3.9	467	442	162	57	12	58	51	25	+116
11	Brandon Miller B. Miller	13	73	36.0	28.9	4.8	3.1	1.4	0.9	10.3	18.8	54.7	10.2	54.9	2.7	3.0	89.7	71.7	0.7	4.1	2.2	469	376	62	40	18	12	29	40	-9
12	Tyler Herro T. Herro	13	70	31.7	25.5	4.4	3.3	0.4	0.0	8.8	16.5	53.3	8.2	66.0	2.5	2.8	89.2	71.9	0.3	4.1	1.7	412	331	57	43	5	0	22	18	+108
13	Zach LaVine Z. LaVine	13	73	38.0	29.2	3.2	2.8	0.5	0.0	10.5	18.9	55.7	9.4	59.8	2.5	3.0	84.6	72.2	0.1	3.2	2.1	494	380	42	37	7	0	27	37	+22
14	Brice Sensabaugh B. Sensabaugh	12	65	28.2	22.2	4.1	2.9	1.3	0.1	7.5	13.2	57.0	9.1	59.6	1.8	2.0	87.5	78.9	0.6	3.5	2.3	338	266	49	35	16	1	28	25	-26
15	Kevin Porter Jr. K. Porter Jr.	12	70	34.9	26.6	3.7	6.3	1.0	0.4	9.2	17.6	52.1	10.6	55.1	2.4	3.1	78.4	70.2	0.5	3.2	3.6	419	319	44	75	12	5	43	34	-78
16	Tyrese Haliburton T. Haliburton	11	57	36.8	21.9	3.8	7.9	2.1	0.5	7.4	13.3	55.5	8.2	63.3	2.0	2.3	88.0	76.8	0.7	3.1	2.1	405	241	42	87	23	5	23	13	+28
17	Jayson Tatum J. Tatum	11	61	36.2	32.1	6.2	3.2	1.2	1.4	11.5	21.2	54.5	10.1	55.0	3.5	4.3	80.9	69.6	0.7	5.5	1.8	399	353	68	35	13	15	20	26	+142
18	RJ Barrett	10	56	38.0	29.3	6.3	2.8	0.7	0.3	9.5	18.0	52.8	9.0	62.2	4.7	6.2	75.8	70.7	0.8	5.5	2.4	380	293	63	28	7	3	24	23	-9
19	Kevin Huerter K. Huerter	10	53	35.4	20.7	3.2	2.7	1.2	0.4	7.5	12.6	59.5	8.1	65.4	0.4	0.6	66.7	80.5	0.7	2.5	2.0	354	207	32	27	12	4	20	29	+7
20	Lauri Markkanen L. Markkanen	10	53	32.4	27.2	8.5	1.5	0.4	0.5	9.4	17.6	53.4	9.7	54.6	3.1	3.5	88.6	71.1	1.6	6.9	1.3	324	272	85	15	4	5	13	19	+4
21	D'Angelo Russell D. Russell	9	55	34.3	28.1	4.9	5.3	1.8	0.0	9.8	19.0	51.5	10.9	56.1	2.4	3.3	73.3	68.7	0.8	4.1	2.2	309	253	44	48	16	0	20	16	+25
22	Bradley Beal B. Beal	9	49	39.3	27.9	4.2	3.3	0.7	0.2	9.7	18.2	53.0	8.2	66.2	3.1	3.1	100.0	71.2	1.1	3.1	2.4	354	251	38	30	6	2	22	18	+46
23	Danilo Gallinari D. Gallinari	9	52	37.0	24.2	5.0	1.6	0.9	0.7	7.3	17.4	42.0	12.4	46.4	3.8	4.7	81.0	62.1	1.0	4.0	1.2	333	218	45	14	8	6	11	20	-22
24	JR Smith	9	52	30.5	26.6	3.4	1.1	1.0	0.2	9.3	16.1	57.9	9.6	60.5	2.1	2.6	82.6	77.0	0.9	2.6	1.4	274	239	31	10	9	2	13	26	+80
25	LeBron James L. James	9	50	42.9	40.4	6.2	5.8	2.0	0.3	14.1	25.0	56.4	8.9	62.5	6.7	7.3	90.9	71.6	0.9	5.3	2.9	386	364	56	52	18	3	26	21	+4