I couldn't find anything for this season, but Buddy Hield had the most points * eFG% in a 2025 playoff game, with 3,630 against the Rockets on May 4.

Interpreted as:

most pts*efg% by a player in a game this playoffs

	NAME	PTS*EFG%	PTS	EFG%	DATE	TM		OPP	MIN	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Buddy Hield B. Hield	3,630	33	110.0	5/4/2025	GSW	@	HOU	37	3	3	1	2	12	15	80.0	9	11	81.8	0	0		110.0	1	2	0	1	+17
2	Gary Trent Jr. G. Trent Jr.	3,584.38	37	96.9	4/25/2025	MIL	vs	IND	34	3	0	4	0	11	16	68.8	9	12	75.0	6	7	85.7	97.0	0	3	0	1	+20
3	Kawhi Leonard K. Leonard	3,489.47	39	89.5	4/21/2025	LAC	@	DEN	39	3	5	2	1	15	19	78.9	4	7	57.1	5	5	100.0	92.0	0	3	1	1	+6
4	Jamal Murray J. Murray	3,473.08	43	80.8	4/29/2025	DEN	vs	LAC	40	5	7	3	1	17	26	65.4	8	14	57.1	1	1	100.0	81.3	0	5	1	2	+17
5	Nikola Jokić N. Jokić	3,432	44	78.0	5/13/2025	DEN	@	OKC	44	15	5	2	0	17	25	68.0	5	7	71.4	5	5	100.0	80.9	6	9	2	4	-8
6	Shai Gilgeous-Alexander S. Gilgeous-Alexander	3,007.69	34	88.5	5/7/2025	OKC	vs	DEN	30	4	8	0	0	11	13	84.6	1	2	50.0	11	11	100.0	95.3	2	2	2	3	+51
7	Aaron Nesmith A. Nesmith	3,000	30	100.0	5/21/2025	IND	@	NYK	39	2	0	1	2	9	13	69.2	8	9	88.9	4	4	100.0	101.6	0	2	0	5	+10
8	Jayson Tatum J. Tatum	2,925	42	69.6	5/12/2025	BOS	@	NYK	40	8	4	4	2	16	28	57.1	7	16	43.8	3	3	100.0	71.6	0	8	4	3	-9
9	LeBron James L. James	2,804.76	38	73.8	4/25/2025	LAL	@	MIN	41	10	4	2	2	13	21	61.9	5	9	55.6	7	10	70.0	74.8	3	7	1	0	-10
10	Pascal Siakam P. Siakam	2,797.83	39	71.7	5/23/2025	IND	@	NYK	33	5	3	1	0	15	23	65.2	3	5	60.0	6	8	75.0	73.5	0	5	1	4	+16
11	Jaylen Brown J. Brown	2,747.37	36	76.3	4/23/2025	BOS	vs	ORL	42	10	5	1	0	12	19	63.2	5	7	71.4	7	8	87.5	79.9	0	10	3	1	+9
12	Giannis Antetokounmpo G. Antetokounmpo	2,726.32	37	73.7	4/25/2025	MIL	vs	IND	32	12	6	1	0	14	19	73.7	0	0		9	10	90.0	79.1	3	9	5	2	+24
13	Anthony Edwards A. Edwards	2,710.87	43	63.0	4/27/2025	MIN	vs	LAL	44	9	6	0	1	12	23	52.2	5	10	50.0	14	17	82.4	70.5	4	5	1	2	+3
14	Tyrese Haliburton T. Haliburton	2,686.67	31	86.7	5/13/2025	IND	@	CLE	36	6	8	1	1	10	15	66.7	6	10	60.0	5	6	83.3	87.9	0	6	4	3	+27
15	Karl-Anthony Towns K. Towns	2,676.47	35	76.5	5/21/2025	NYK	vs	IND	39	12	2	1	1	11	17	64.7	4	8	50.0	9	11	81.8	80.1	2	10	1	4	+9
16	Jalen Brunson J. Brunson	2,666	43	62.0	5/21/2025	NYK	vs	IND	38	1	5	0	0	15	25	60.0	1	6	16.7	12	14	85.7	69.0	0	1	7	5	-8
17	Derrick White D. White	2,656.25	34	78.1	5/14/2025	BOS	vs	NYK	40	3	2	0	3	9	16	56.3	7	13	53.8	9	11	81.8	81.6	0	3	2	3	+26
18	Jayson Tatum J. Tatum	2,625	35	75.0	4/29/2025	BOS	vs	ORL	34	8	10	1	0	10	16	62.5	4	5	80.0	11	11	100.0	84.0	0	8	2	2	+34
19	Jalen Green J. Green	2,584	38	68.0	4/23/2025	HOU	vs	GSW	35	4	6	3	0	13	25	52.0	8	18	44.4	4	5	80.0	69.9	0	4	2	1	+19
20	Anthony Edwards A. Edwards	2,558.82	30	85.3	5/24/2025	MIN	vs	OKC	30	9	6	2	0	12	17	70.6	5	8	62.5	1	2	50.0	83.9	1	8	4	2	+36
21	Jalen Brunson J. Brunson	2,496	39	64.0	5/12/2025	NYK	vs	BOS	40	5	12	0	0	14	25	56.0	4	8	50.0	7	9	77.8	67.3	1	4	1	2	+12
22	Jalen Brunson J. Brunson	2,488.89	32	77.8	5/29/2025	NYK	vs	IND	34	5	5	0	1	12	18	66.7	4	7	57.1	4	4	100.0	81.0	0	5	3	2	+18
23	Shai Gilgeous-Alexander S. Gilgeous-Alexander	2,486.84	35	71.1	5/18/2025	OKC	vs	DEN	36	3	4	3	1	12	19	63.2	3	4	75.0	8	9	88.9	76.2	0	3	0	2	+32
24	Jalen Williams J. Williams	2,480	40	62.0	6/16/2025	OKC	vs	IND	35	6	4	1	0	14	25	56.0	3	5	60.0	9	12	75.0	66.1	1	5	1	4	+14
25	Donovan Mitchell D. Mitchell	2,480	48	51.7	5/6/2025	CLE	vs	IND	36	5	9	4	1	15	30	50.0	1	7	14.3	17	21	81.0	61.2	2	3	5	4	+13