Wilt Chamberlain had the most games with 20+ points in 1963-64, with 80 games.

Interpreted as:

most 20 or more point games by a player in 1964

	NAME	GP	PTS	SEASON	TM	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	REB	AST	PF
1	Wilt Chamberlain W. Chamberlain	80	2,949	1963-64	SFW	46.1	36.9	22.3	5.0	15.1	28.7	52.4	6.8	12.7	53.2	53.7	3,689	1,785	403	182
2	Oscar Robertson O. Robertson	78	2,461	1963-64	CIN		31.6	9.9	11.0	10.7	22.1	48.3	10.2	12.0	85.2	57.6		775	856	278
3	Bob Pettit B. Pettit	71	2,038	1963-64	STL		28.7			10.4			7.9	9.8	79.8					268
4	Elgin Baylor E. Baylor	66	1,805	1963-64	LAL		27.3			10.5			6.4	8.0	80.8					207
5	Walt Bellamy W. Bellamy	63	1,903	1963-64	BAL		30.2	17.7		11.5			7.3	11.0	66.5			1,116		226
6	Jerry West J. West	59	1,865	1963-64	LAL		31.6			11.4			8.9	10.6	83.7					171
7	Hal Greer H. Greer	53	1,501	1963-64	PHI		28.3			10.8			6.6	8.0	83.2					187
8	Bailey Howell B. Howell	49	1,276	1963-64	DET		26.0			9.4			7.2	8.9	81.4					186
9	Terry Dischinger T. Dischinger	44	1,126	1963-64	BAL		25.6			9.1			7.4	9.4	78.6					182
10	Dick Barnett D. Barnett	38	913	1963-64	LAL		24.0			9.0			6.0	7.3	81.9					110
11	John Havlicek J. Havlicek	38	1,001	1963-64	BOS		26.3			10.5			5.3	6.9	77.8					110
12	Sam Jones S. Jones	37	924	1963-64	BOS		25.0			10.4			4.2	5.4	77.6					96
13	Cliff Hagan C. Hagan	35	906	1963-64	STL		25.9			10.7			4.5	5.5	81.4					132
14	Wayne Embry W. Embry	34	835	1963-64	CIN		24.6	13.2		10.1	18.9	53.3	4.4	6.8	65.7	56.2		449		135
15	Jerry Lucas J. Lucas	32	734	1963-64	CIN		22.9	19.6		8.9	15.6	57.1	5.1	6.4	79.6	62.2		628		119
16	Ray Scott R. Scott	31	727	1963-64	DET		23.5			9.0			5.4	7.4	73.2					128
17	Len Chappell L. Chappell	30	737	1963-64	NYK		24.6			9.3			5.9	8.0	74.1					87
18	Johnny Kerr J. Kerr	28	720	1963-64	PHI		25.7			10.2			5.4	6.7	79.8					66
19	Chet Walker C. Walker	28	681	1963-64	PHI		24.3			9.0			6.3	8.3	76.3					88
20	Gus Johnson G. Johnson	26	671	1963-64	BAL		25.8			11.0			3.9	5.6	69.2					112
21	Don Ohl D. Ohl	26	669	1963-64	DET		25.7			11.0			3.8	5.5	69.7					84
22	Bill McGill B. McGill	25	642	1963-64	NYK		25.7			10.4			4.8	6.0	79.5					92
23	Art Heyman A. Heyman	25	578	1963-64	NYK		23.1			8.8			5.6	7.4	75.7					90
24	Bob Boozer B. Boozer	24	551	1963-64	TOT		23.0			9.0			5.0	6.5	78.1					72
25	Tom Heinsohn T. Heinsohn	23	544	1963-64	BOS		23.7			9.4			4.8	5.8	82.1					81