Devin Booker has the most games for the Suns with 30+ points, with 186 games.

Interpreted as:

most 30 or more points regular-season games by a player in suns history

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	+/-
Devin Booker	186	6,669	37.0	35.9	4.6	5.4	0.9	0.3	3.2	12.7	23.5	54.0	3.2	7.3	44.1	7.3	8.3	88.1	6,891	864	1,013	165	63	595	579	+802
Walter Davis	90	3,043	36.2	33.8	4.2	4.4			3.1	13.5	22.8	59.3	0.3	1.1	29.7	6.6	7.5	87.8	3,262	380	399			282	277
Amar'e Stoudemire	86	2,979	38.8	34.6	10.6	1.7	0.9	1.7	2.6	12.4	19.7	62.6	0.1	0.4	19.4	9.8	12.3	79.8	3,340	910	146	77	143	227	288	+499
Paul Westphal	74	2,485	35.7	33.6	2.7	5.6	1.9	0.4	2.8	13.4	21.8	61.4	0.6	1.1	52.9	6.8	7.9	85.2	2,639	200	413	140	32	152	140
Kevin Johnson	70	2,364	41.9	33.8	3.9	10.3	1.6	0.2	4.4	11.5	20.4	56.6	0.6	1.3	45.7	10.1	11.6	86.9	2,933	276	721	115	15	311	160	+45
Tom Chambers	65	2,270	39.0	34.9	8.1	2.4	1.1	0.7	2.8	12.8	23.2	54.9	0.7	1.5	45.8	8.7	9.9	88.6	2,538	525	158	73	46	179	211
Charles Barkley	58	1,973	41.0	34.0	13.8	4.2	1.6	1.0	3.0	12.3	21.4	57.6	1.4	3.6	38.9	8.0	10.5	75.9	2,377	800	243	93	60	176	173
Charlie Scott	55	1,861	40.4	33.8	4.4	5.7	1.7	0.4		13.4	26.5	50.7				7.0	8.7	79.6	2,221	242	314	60	14		215
Dick Van Arsdale	41	1,358	42.6	33.1	5.0	4.0	1.3	0.0		12.2	20.5	59.8				8.6	10.4	82.9	1,745	207	164	4	0		137
Shawn Marion	37	1,215	43.5	32.8	12.0	2.3	2.3	1.4	1.7	12.5	21.8	57.5	2.5	4.9	50.6	5.4	5.9	90.0	1,610	443	84	84	53	63	106	+245
Stephon Marbury	34	1,178	43.2	34.6	4.1	7.6	1.5	0.2	2.9	12.8	23.8	53.6	2.0	5.0	40.2	7.1	8.7	81.5	1,469	138	259	51	6	97	95	-31
Connie Hawkins	33	1,128	42.6	34.2	9.5	5.2				12.2	22.7	53.7				9.8	11.8	83.1	1,407	313	170				110
Kevin Durant	30	1,040	37.5	34.7	6.9	5.2	0.7	1.4	3.6	12.7	22.6	56.1	2.8	5.9	47.8	6.4	7.2	89.4	1,126	207	157	22	42	107	57	+180
Larry Nance	30	1,025	41.6	34.2	11.0	3.6	1.6	2.5	3.0	13.0	20.7	62.9	0.0	0.1	33.3	8.1	10.4	77.8	1,248	331	107	49	74	90	89
Gail Goodrich	28	1,000	43.9	35.7	5.2	7.5				12.9	25.3	50.8				10.0	12.4	80.7	1,229	145	209				95
Alvan Adams	27	871	36.3	32.3	12.6	5.8	2.0	1.5	3.9	12.4	20.4	60.9	0.0	0.1	0.0	7.4	8.9	83.8	979	340	156	53	40	74	81
Steve Nash	26	852	38.6	32.8	4.2	10.3	0.6	0.1	4.0	12.0	20.0	59.7	4.0	6.7	59.5	4.9	5.1	96.2	1,003	108	269	16	2	105	38	+184
Eric Bledsoe	20	663	37.0	33.2	5.5	6.6	1.9	0.6	3.5	10.8	20.0	54.0	2.6	6.0	43.3	9.0	10.1	88.6	739	109	131	38	12	70	43	+97
Clifford Robinson	17	579	40.2	34.1	6.6	3.1	1.1	1.2	2.5	12.2	20.8	58.5	2.4	4.6	50.6	7.4	8.8	83.9	683	113	52	19	21	42	56	+112
Eddie Johnson	17	592	37.0	34.8	5.4	2.8	0.9	0.2	2.1	13.8	23.2	59.4	1.8	3.8	48.4	5.5	6.4	86.1	629	92	47	16	3	36	52
Truck Robinson	14	465	39.9	33.2	9.9	2.9	0.7	0.3	2.5	12.6	19.9	63.7	0.1	0.1	100.0	7.9	9.5	82.7	559	139	41	10	4	35	48
Goran Dragic	13	426	36.5	32.8	3.2	5.8	1.4	0.1	3.1	10.9	17.1	64.0	3.8	6.1	62.0	7.2	8.6	83.0	474	42	76	18	1	40	34	+135
Cedric Ceballos	12	417	36.8	34.8	9.2	1.7	1.6	0.9	2.6	13.9	22.1	63.0	0.2	0.4	40.0	6.8	8.6	78.6	442	110	20	19	11	31	38	+15
Jeff Hornacek	12	380	39.6	31.7	4.9	6.0	1.8	0.4	1.7	12.0	19.9	60.3	2.3	3.7	63.6	5.3	5.8	92.8	475	59	72	21	5	20	35
Leandro Barbosa	10	332	37.5	33.2	4.4	3.5	1.5	0.1	1.4	12.0	19.1	62.8	5.6	9.1	61.5	3.6	4.0	90.0	375	44	35	15	1	14	22	+95