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Guide completion is a way of tracking the development of guides for individual systems. web-based, mobile and operating systems are currently excluded as there are no comprehensive lists of games for these platforms and new ones are constantly being released.

System	Total	Present #	Present %	Missing	Complete #	Complete %
3DO Interactive Multiplayer	231	13	5.6	218	1	0.4
Acorn Archimedes	49	16	32.7	33	1	2
Amstrad CPC	494	108	21.9	386	37	7.5
Apple II	349	92	26.4	257	39	11.2
Apple IIGS	166	27	16.3	139	4	2.4
Arcade	1942	555	28.6	1387	175	9
Atari 2600	215	118	54.9	97	75	34.9
Atari 5200	88	38	43.2	50	32	36.4
Atari 7800	62	33	53.2	29	16	25.8
Atari 8-bit	110	94	85.5	16	56	50.9
Atari Jaguar	69	7	10.1	62	0	0
Atari Jaguar CD	17	1	5.9	16	0	0
Atari Lynx	91	17	18.7	74	9	9.9
Atari ST	243	127	52.3	116	27	11.1
Channel F	29	0	0	29	0	0
ColecoVision	157	36	22.9	121	30	19.1
Commodore 64/128	1408	196	13.9	1212	75	5.3
Commodore Amiga	2120	154	7.3	1966	23	1.1
Commodore VIC-20	277	25	9	252	18	6.5
DSiWare	31	1	3.2	30	0	0
E-Reader	28	13	46.4	15	9	32.1
EPOC32	50	1	2	49	0	0
FM Towns	158	15	9.5	143	1	0.6
Famicom Disk System	226	90	39.8	136	38	16.8
Game Boy	229	110	48	119	33	14.4
Game Boy Advance	948	250	26.4	698	40	4.2
Game Boy Color	459	68	14.8	391	11	2.4
Game.com	21	5	23.8	16	2	9.5
Intellivision	140	23	16.4	117	20	14.3
IQue Player	14	14	100	0	0	0
Magnavox Odyssey²	266	7	2.6	259	4	1.5
MS-DOS	2956	226	7.6	2730	45	1.5
MSX	222	134	60.4	88	65	29.3
N-Gage	58	16	27.6	42	1	1.7
NEC PC-9801	1780	19	1.1	1761	6	0.3
NES	1580	435	27.5	1145	162	10.3
Neo Geo	154	37	24	117	12	7.8
Neo Geo Pocket	9	1	11.1	8	0	0
Neo Geo Pocket Color	70	7	10	63	1	1.4
Nintendo 64	410	89	21.7	321	2	0.5
Nintendo DS	468	258	55.1	210	13	2.8
Nintendo GameCube	651	212	32.6	439	3	0.5
Nintendo Power (Game Boy)	139	4	2.9	135	0	0
Nintendo Power (SNES)	153	14	9.2	139	2	1.3
PC-FX	62	1	1.6	61	0	0
PlayStation	2520	213	8.5	2307	28	1.1
PlayStation 2	807	432	53.5	375	22	2.7
PlayStation 3	261	127	48.7	134	5	1.9
PlayStation Network	134	47	35.1	87	10	7.5
PlayStation Portable	374	134	35.8	240	6	1.6
Pokémon mini	12	2	16.7	10	0	0
Q-Boy	83	3	3.6	80	3	3.6
SNES	1817	174	9.6	1643	28	1.5
Satellaview	115	11	9.6	104	2	1.7
Sega 32X	39	9	23.1	30	2	5.1
Sega CD	243	19	7.8	224	2	0.8
Sega Channel	195	32	16.4	163	8	4.1
Sega Meganet	30	1	3.3	29	1	3.3
Sega Dreamcast	707	62	8.8	645	13	1.8
Sega Game Gear	299	39	13	260	10	3.3
Sega Genesis	1093	115	10.5	978	20	1.8
Sega Master System	336	64	19	272	16	4.8
Sega SG-1000	74	20	27	54	12	16.2
Sega Saturn	281	78	27.8	203	20	7.1
Sharp X68000	73	39	53.4	34	15	20.5
Sinclair ZX Spectrum	432	110	25.5	322	37	8.6
Tapwave Zodiac	37	4	10.8	33	1	2.7
TurboGrafx-16	332	35	10.5	297	6	1.8
TurboGrafx-CD	413	21	5.1	392	6	1.5
Virtual Boy	22	7	31.8	15	0	0
Wii	562	185	32.9	377	10	1.8
Wii Virtual Console	398	223	56	175	66	16.6
WiiWare	134	21	15.7	113	0	0
WonderSwan	189	5	2.6	184	3	1.6
WonderSwan Color	97	5	5.2	92	1	1
Xbox	948	208	21.9	740	9	0.9
Xbox 360	342	177	51.8	165	6	1.8
Xbox Live Arcade	179	89	49.7	90	28	15.6
Xbox Originals	29	15	51.7	14	1	3.4