SMSPower.org

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Visit SMSPower.org for more Sega 8-bit stuff!

Active since 1997, SMS Power is an international force of enthusiasts interested in the following gaming/computer systems:

  • Sega Master System (SMS) / Sega Mark III (MK3)
  • Sega Game Gear (GG)
  • Sega Game 1000 (SG-1000)
  • Sega Computer 3000 (SC-3000)
  • Sega Super Control Station (SF-7000)
  • Othello Multivision (OMV) (SG-1000 clone)

And their regional variants (Korean Samsung Gam*Boy, Taiwanese Aaronix consoles, etc.). All generally referred to as "Sega 8-bit" systems, being 8-bit Z80 CPU based Sega systems.

SMSPower aims to:

  • Discuss, gather, publish and preserve historical facts, data and knowledge related to those systems.
  • Develop Sega 8-bit interest and enjoyment around the world.

This site was founded at the end of March 1997, first under the name "SMS Camp". It later evolved into a generic emulation site called "Emulation Camp" then split, went back into focus and was renamed to "SMS Power!" in 1999. Many people have joined the community since then and are working hard in order to make this site and our projects a reality.


Prototypes

SMSPower.org has released 142 prototypes.

 DateSystemFile release datePage creation date"Creation date" is a predefined property that corresponds to the date of the first revision of a subject and is provided by Semantic MediaWiki.
3D Gunner (Prototype)Sega Master System14 December 201915 December 2019 01:27:21
Action Fighter (Prototype)Sega Master System6 August 201611 March 2017 01:13:23
Alex Kidd: High-Tech World (Prototype)Sega Master System28 March 201930 March 2019 23:25:32
Alien Syndrome (Prototype)Sega Master System2 August 201111 March 2017 01:16:51
Andre Agassi Tennis (Prototype)Game Gear28 March 201930 March 2019 23:40:14
Astro Warrior & Pit Pot (Prototype)Sega Master System28 December 202131 December 2021 19:59:32
Ax Battler: A Legend of Golden Axe (Oct 8, 1991 prototype)8 October 1991Game Gear3 October 201011 March 2017 01:48:42
Ayrton Senna's Super Monaco GP II (Prototype)Game Gear7 October 201011 March 2017 07:25:52
Barbie Super Model (Prototype)Game Gear25 December 200711 March 2017 07:28:00
Basketball Nightmare (Prototype A)Sega Master System27 March 20222 April 2023 18:51:21
Basketball Nightmare (Prototype B)Sega Master System27 March 202128 March 2021 15:56:13
Battle Wings (Prototype)Sega Master System20 October 202026 October 2020 23:13:36
Blade Eagle 3-D (Prototype)Sega Master System14 June 2024 05:40:59
BreakThru! (Game Gear Prototype)Game Gear24 August 20214 September 2021 17:31:18
Bubble Bobble (Game Gear Prototype)Game Gear23 September 20186 October 2018 13:56:49
CJ: Elephant Fugitive (Oct 22, 1993 prototype)22 October 1993Game Gear28 March 201930 March 2019 23:29:51
Captain Silver (Prototype)Sega Master System6 August 201611 March 2017 07:30:21
Cave Dude (Prototype)Game Gear6 August 201611 March 2017 07:32:37
Chicago Syndicate (Mar 20, 1995 prototype)20 March 1995Game Gear28 March 201930 March 2019 23:46:07
Choplifter! (Jul 1, 1986 prototype)1 July 1986Sega Master System24 December 200511 March 2017 07:35:29
Choplifter! (SG-1000 Prototype)SG-100027 March 200511 March 2017 07:44:41
Choplifter! (Sega Master System Prototype)Sega Master System26 November 201111 March 2017 07:36:23
Chouon Senshi Borgman (Prototype)Sega Master System15 November 200911 March 2017 07:49:05
Chuck Rock (Prototype)Game Gear7 October 201011 March 2017 07:52:05
Columns (Prototype)Sega Master System28 June 200911 March 2017 07:57:27
Crazy Faces (Prototype)Game Gear29 April 201211 March 2017 07:59:09
Cutthroat Island (Sep 16, 1995 prototype)16 September 1995Game Gear24 March 201311 March 2017 08:02:39
Cyber Police ESWAT (Prototype A)Sega Master System27 June 201511 March 2017 08:06:12
Cyber Police ESWAT (Prototype B)Sega Master System27 June 201511 March 2017 08:07:15
Cyber Police ESWAT (Prototype C)Sega Master System27 June 201511 March 2017 08:07:45
Cyborg Hunter (Prototype)Sega Master System20 October 202026 October 2020 23:32:59
David Robinson's Supreme Court (Prototype)Game Gear26 March 201729 March 2017 22:04:51
Dead Angle (Prototype)Sega Master System9 November 202123 December 2021 21:41:22
Defenders of Oasis (Prototype)Game Gear7 October 201011 March 2017 08:16:35
Dinobasher Starring Bignose the Caveman (Game Gear Prototype)28 October 1993 03:55:00Game Gear2 October 20203 October 2020 16:42:26
Dinobasher Starring Bignose the Caveman (Master System Prototype)22 November 1993 11:03:00Sega Master System22 January 200611 March 2017 08:20:09
Doki Doki Penguin Land: Uchuu Daibouken (Prototype)Sega Master System30 January 201011 March 2017 08:23:31
Double Dragon (Game Gear prototype)Game Gear26 February 200211 March 2017 08:13:56
Double Hawk (Prototype)Sega Master System25 December 200811 March 2017 08:26:25
Dr. Franken (Prototype)Game Gear20 July 201111 March 2017 08:28:05
Dragon: The Bruce Lee Story (Prototype)Game Gear19 January 201919 January 2019 22:48:36
Dynamite Düx (Prototype)Sega Master System28 December 202131 December 2021 19:53:10
Dynamite Headdy (Earlier Game Gear Prototype)Game Gear23 May 202126 May 2021 12:43:19
Ernie Els Golf (Jun 8, 1994 prototype)8 June 1994 22:49:00Game Gear30 December 202323 March 2024 14:16:05
Fantasy Zone (REV01 prototype)Sega Master System23 September 200711 March 2017 08:30:31
Fantasy Zone: The Maze (prototype)Sega Master System30 December 202331 December 2023 18:08:46
Frogger (Game Gear prototype)Game Gear3 April 200311 March 2017 08:35:46
Fushigi no Oshiro Pit Pot (Prototype)Sega Master System9 January 20232 April 2023 18:13:39
Gain Ground (Prototype)Sega Master System28 June 200911 March 2017 08:37:42
Ghost House (Prototype)Sega Master System23 July 200611 March 2017 08:39:51
Ghouls 'N Ghosts (prototype)Sega Master System15 August 201011 March 2017 08:41:55
Global Defense (Prototype)Sega Master System17 July 200511 March 2017 09:05:17
Golden Axe (Sega Master System Demo)Sega Master System27 March 20222 April 2023 19:21:38
Golfamania (Prototype)Sega Master System27 November 199911 March 2017 19:51:01
Great Golf (Prototype)Sega Master System5 April 200611 March 2017 09:08:26
Hang On & Safari Hunt (Prototype)Sega Master System26 November 201111 March 2017 09:10:46
Hang-On (Prototype)Sega Master System28 March 201930 March 2019 23:52:12
Heroes of the Lance (Master System Prototype)Sega Master System23 May 202126 May 2021 12:37:12
Impossible Mission (Prototype)Sega Master System31 May 200911 March 2017 09:15:16
Indiana Jones and the Last Crusade (Prototype)Sega Master System31 May 200911 March 2017 09:18:03
James 'Buster' Douglas Knockout Boxing (Prototype)Sega Master System28 June 200911 March 2017 09:21:09
King's Quest: Quest for the Crown (Feb 3, 1989 prototype)3 February 1989Sega Master System9 December 20222 April 2023 18:23:52
King's Quest: Quest for the Crown (Prototype)Sega Master System8 April 200611 March 2017 09:24:20
Lemmings 2: The Tribes (Game Gear Prototype)Game Gear13 April 201411 March 2017 09:26:39
Lemmings 2: The Tribes (Sega Master System Prototype)Sega Master System13 April 201411 March 2017 09:27:36
Lethal Weapon 3 (Prototype)Sega Master System14 July 201011 March 2017 09:29:14
Mahjong Sengoku Jidai (Prototype)Sega Master System5 April 200611 March 2017 09:37:14
Maou Golvellius (Prototype)Sega Master System24 December 200911 March 2017 09:41:02
Micro Machines (Oct 22, 1993 prototype)22 October 1993Game Gear28 March 201930 March 2019 23:34:49
Miracle Warriors: Seal of the Dark Lord (Feb 25, 1988 prototype)25 February 1988Sega Master System25 December 200811 March 2017 09:43:23
Missle Defense 3-D (Prototype)Sega Master System23 September 20186 October 2018 13:50:47
Monopoly (Apr 22, 1988 prototype)22 April 1988Sega Master System9 December 20222 April 2023 18:32:44
Monopoly (Sega Master System prototype)Sega Master System15 August 201011 March 2017 09:45:17
Montezuma's Revenge (Jan 3, 1989 prototype)3 January 1989Sega Master System24 December 200911 March 2017 09:47:03
Mortal Kombat (Game Gear Prototype)Game Gear23 May 202126 May 2021 12:32:08
NBA Jam (Sega Master System Prototype)Sega Master System20 September 201111 March 2017 09:52:10
Nazo Puyo: Arle no Roux (Prototype)Game Gear1 March 200511 March 2017 09:49:33
Off the Wall (Jun 28, 1992 prototype)28 June 1992Game Gear23 July 201723 July 2017 16:10:22
Off the Wall (Prototype)TurboGrafx-1623 July 201723 July 2017 16:14:14
Out Run 3-D (Prototype)Sega Master System20 October 202026 October 2020 23:26:13
Paperboy 2 (Prototype)Game Gear6 April 201511 March 2017 09:56:02
Pat Riley Basketball (Sega Master System prototype)Sega Master System19 May 200211 March 2017 09:59:25
Promocao Especial Sega Master System III CompactSega Master System12 April 200511 March 2017 10:02:53
Psycho Fox (Prototype)Sega Master System27 March 20222 April 2023 19:27:30
R-Type (Prototype)Sega Master System16 August 201111 March 2017 10:09:30
R.C. Grand Prix (Prototype)Sega Master System15 August 201011 March 2017 10:05:58
Rampage (SMS Prototype)Sega Master System28 December 202131 December 2021 19:56:38
Rastan (Prototype)Sega Master System27 March 202128 March 2021 16:03:18
Rayman (SNES prototype)SNES3 July 20173 July 2017 19:32:00
SG-1000 M2 Check Program (Prototype)SG-100026 November 201111 March 2017 17:28:16
Scramble Spirits (Prototype)Sega Master System9 January 20232 April 2023 18:06:49
Sega Game Pack 4 in 1 (Prototype)Game Gear7 October 201011 March 2017 10:13:06
Sega Graphic Board (Aug 25, 1987 prototype)Sega Master System4 October 201411 March 2017 10:19:27
Sega Master System BIOS (M404 prototype)Sega Master System30 July 201011 March 2017 17:23:29
Sega Master System BIOS (v1.0 prototype)Sega Master System26 November 201111 March 2017 17:25:08
Sega Master System Color and Switch Test (Prototype)Sega Master System29 March 200411 March 2017 07:55:09
Shanghai (Sega Master System Prototype)Sega Master System30 September 200811 March 2017 17:30:26
Slap Shot (Prototype)Sega Master System3 September 201011 March 2017 17:32:33
Solomon no Kagi: Oujo Rihita no Namida (Prototype)Sega Master System4 August 20184 August 2018 18:34:12
Sonic & Tails (Demo)14 September 1993Game Gear12 December 201011 March 2017 17:42:49
Sonic Drift (Demo)Game Gear15 April 200711 March 2017 17:48:44
Sonic the Hedgehog (Game Gear Prototype)Game Gear7 December 200311 March 2017 17:46:46
Special Criminal Investigation (Prototype)Sega Master System28 November 199911 March 2017 17:59:05
Spirou (Game Gear prototype)Game Gear17 November 200711 March 2017 18:06:14
Street Battle (Prototype)Game Gear26 March 201729 March 2017 22:02:04
Street Heroes (Prototype A)Game Gear18 February 201211 March 2017 18:09:40
Street Heroes (Prototype B)Game Gear18 February 201211 March 2017 18:10:20
Streets of Rage 2 (Game Gear Prototype)Game Gear9 November 202123 December 2021 21:35:55
Strider (Prototype)Sega Master System27 March 201211 March 2017 18:12:26
Summer Games (Prototype A)Sega Master System28 December 202131 December 2021 19:26:29
Summer Games (Prototype B)Sega Master System23 September 200711 March 2017 18:22:38
Super Basketball (Prototype)Sega Master System17 October 200411 March 2017 18:24:50
Super Golf (Prototype)Sega Master System3 September 20117 December 2016 22:36:07
Super Monaco GP Sega Master System (Jul 18, 1990 prototype)Sega Master System9 December 20222 April 2023 18:36:07
Super Monaco GP Sega Master System (Prototype A)Sega Master System27 March 201011 March 2017 18:28:28
Super Monaco GP Sega Master System (Prototype B)Sega Master System10 March 201211 March 2017 18:29:17
Super Off Road (Game Gear Prototype)Game Gear3 March 201729 March 2017 22:06:56
Super Off Road (Sega Master System Prototype)Sega Master System19 January 201919 January 2019 23:01:58
Superman (Game Gear prototype)Game Gear20 July 201111 March 2017 18:31:30
Taito Chase H.Q. (Prototype)Sega Master System27 March 202128 March 2021 16:09:59
Taz-Mania Sega Master System (Prototype)Sega Master System19 September 199911 March 2017 18:33:44
Teddy Boy Blues (EP My Card prototype)Sega Master System31 October 200511 March 2017 18:37:26
Tengen World Cup Soccer (Prototype)Game Gear27 March 202128 March 2021 16:14:58
The A-Team (Prototype)Sega Master System20 June 201011 March 2017 01:51:35
The Cyber Shinobi (Prototype)Sega Master System27 March 201211 March 2017 08:09:59
The Excellent Dizzy Collection (Prototype)Sega Master System6 April 200411 March 2017 18:42:19
The Lucky Dime Caper starring Donald Duck (May 28, 1991 prototype)28 May 1991Sega Master System14 January 200611 March 2017 09:34:04
The Smurfs Travel the World (Aug 12, 1996 prototype)12 August 1996Sega Master System30 September 200811 March 2017 17:39:33
TransBot (Prototype)Sega Master System26 November 201111 March 2017 18:44:38
WildSnake (Game Gear Prototype)Game Gear29 March 201521 November 2016 22:22:55
Wonder Boy (Game Gear prototype)Game Gear30 December 202331 December 2023 18:16:03
Wonder Boy III: The Dragon's Trap (Prototype)Game Gear27 July 199911 March 2017 18:47:51
Wonder Boy in Monster Land (Prototype)Sega Master System20 July 200911 March 2017 18:50:25
Wonder Boy in Monster World (Prototype)Sega Master System27 August 199911 March 2017 20:25:48
World Cup Italia '90 (Prototype)Sega Master System15 August 201011 March 2017 18:52:54
World Games (Prototype)Sega Master System22 June 199911 March 2017 18:55:19
World Grand Prix (Prototype)Sega Master System26 November 201111 March 2017 18:57:35
Yogi Bear in Yogi Bear's Goldrush (Prototype)Game Gear24 December 199911 March 2017 18:59:20
Ys: Ancient Ys Vanished Omen (Prototype)Sega Master System10 March 201211 March 2017 19:04:38
Zaxxon 3D (Prototype)Sega Master System8 April 200611 March 2017 19:07:32
Zillion II: Tri Formation (Prototype)Sega Master System27 March 202128 March 2021 15:49:37
Zoop (Aug 11, 1995 Prototype)11 August 1995Game Gear23 October 199911 March 2017 19:09:03

SMSPower.org has dumped 120 prototypes.

 DateSystemFile release datePage creation date"Creation date" is a predefined property that corresponds to the date of the first revision of a subject and is provided by Semantic MediaWiki.
3D Gunner (Prototype)Sega Master System14 December 201915 December 2019 01:27:21
Action Fighter (Prototype)Sega Master System6 August 201611 March 2017 01:13:23
Alex Kidd: High-Tech World (Prototype)Sega Master System28 March 201930 March 2019 23:25:32
Alien Syndrome (Prototype)Sega Master System2 August 201111 March 2017 01:16:51
Andre Agassi Tennis (Prototype)Game Gear28 March 201930 March 2019 23:40:14
Astro Warrior & Pit Pot (Prototype)Sega Master System28 December 202131 December 2021 19:59:32
Ax Battler: A Legend of Golden Axe (Oct 8, 1991 prototype)8 October 1991Game Gear3 October 201011 March 2017 01:48:42
Ayrton Senna's Super Monaco GP II (Prototype)Game Gear7 October 201011 March 2017 07:25:52
Barbie Super Model (Prototype)Game Gear25 December 200711 March 2017 07:28:00
Basketball Nightmare (Prototype A)Sega Master System27 March 20222 April 2023 18:51:21
Basketball Nightmare (Prototype B)Sega Master System27 March 202128 March 2021 15:56:13
Battle Wings (Prototype)Sega Master System20 October 202026 October 2020 23:13:36
Blade Eagle 3-D (Prototype)Sega Master System14 June 2024 05:40:59
Bubble Bobble (Game Gear Prototype)Game Gear23 September 20186 October 2018 13:56:49
CJ: Elephant Fugitive (Oct 22, 1993 prototype)22 October 1993Game Gear28 March 201930 March 2019 23:29:51
Captain Silver (Prototype)Sega Master System6 August 201611 March 2017 07:30:21
Cave Dude (Prototype)Game Gear6 August 201611 March 2017 07:32:37
Chicago Syndicate (Mar 20, 1995 prototype)20 March 1995Game Gear28 March 201930 March 2019 23:46:07
Choplifter! (Jul 1, 1986 prototype)1 July 1986Sega Master System24 December 200511 March 2017 07:35:29
Choplifter! (SG-1000 Prototype)SG-100027 March 200511 March 2017 07:44:41
Choplifter! (Sega Master System Prototype)Sega Master System26 November 201111 March 2017 07:36:23
Chouon Senshi Borgman (Prototype)Sega Master System15 November 200911 March 2017 07:49:05
Chuck Rock (Prototype)Game Gear7 October 201011 March 2017 07:52:05
Columns (Prototype)Sega Master System28 June 200911 March 2017 07:57:27
Crazy Faces (Prototype)Game Gear29 April 201211 March 2017 07:59:09
Cutthroat Island (Sep 16, 1995 prototype)16 September 1995Game Gear24 March 201311 March 2017 08:02:39
Cyber Police ESWAT (Prototype A)Sega Master System27 June 201511 March 2017 08:06:12
Cyber Police ESWAT (Prototype B)Sega Master System27 June 201511 March 2017 08:07:15
Cyber Police ESWAT (Prototype C)Sega Master System27 June 201511 March 2017 08:07:45
Cyborg Hunter (Prototype)Sega Master System20 October 202026 October 2020 23:32:59
David Robinson's Supreme Court (Prototype)Game Gear26 March 201729 March 2017 22:04:51
Dead Angle (Prototype)Sega Master System9 November 202123 December 2021 21:41:22
Defenders of Oasis (Prototype)Game Gear7 October 201011 March 2017 08:16:35
Dinobasher Starring Bignose the Caveman (Game Gear Prototype)28 October 1993 03:55:00Game Gear2 October 20203 October 2020 16:42:26
Dinobasher Starring Bignose the Caveman (Master System Prototype)22 November 1993 11:03:00Sega Master System22 January 200611 March 2017 08:20:09
Doki Doki Penguin Land: Uchuu Daibouken (Prototype)Sega Master System30 January 201011 March 2017 08:23:31
Double Hawk (Prototype)Sega Master System25 December 200811 March 2017 08:26:25
Dr. Franken (Prototype)Game Gear20 July 201111 March 2017 08:28:05
Dynamite Düx (Prototype)Sega Master System28 December 202131 December 2021 19:53:10
Ernie Els Golf (Jun 8, 1994 prototype)8 June 1994 22:49:00Game Gear30 December 202323 March 2024 14:16:05
Fantasy Zone (REV01 prototype)Sega Master System23 September 200711 March 2017 08:30:31
Fantasy Zone: The Maze (prototype)Sega Master System30 December 202331 December 2023 18:08:46
Frogger (Game Gear prototype)Game Gear3 April 200311 March 2017 08:35:46
Fushigi no Oshiro Pit Pot (Prototype)Sega Master System9 January 20232 April 2023 18:13:39
Gain Ground (Prototype)Sega Master System28 June 200911 March 2017 08:37:42
Ghost House (Prototype)Sega Master System23 July 200611 March 2017 08:39:51
Ghouls 'N Ghosts (prototype)Sega Master System15 August 201011 March 2017 08:41:55
Global Defense (Prototype)Sega Master System17 July 200511 March 2017 09:05:17
Golden Axe (Sega Master System Demo)Sega Master System27 March 20222 April 2023 19:21:38
Great Golf (Prototype)Sega Master System5 April 200611 March 2017 09:08:26
Hang On & Safari Hunt (Prototype)Sega Master System26 November 201111 March 2017 09:10:46
Hang-On (Prototype)Sega Master System28 March 201930 March 2019 23:52:12
Impossible Mission (Prototype)Sega Master System31 May 200911 March 2017 09:15:16
Indiana Jones and the Last Crusade (Prototype)Sega Master System31 May 200911 March 2017 09:18:03
James 'Buster' Douglas Knockout Boxing (Prototype)Sega Master System28 June 200911 March 2017 09:21:09
King's Quest: Quest for the Crown (Prototype)Sega Master System8 April 200611 March 2017 09:24:20
Lethal Weapon 3 (Prototype)Sega Master System14 July 201011 March 2017 09:29:14
Mahjong Sengoku Jidai (Prototype)Sega Master System5 April 200611 March 2017 09:37:14
Maou Golvellius (Prototype)Sega Master System24 December 200911 March 2017 09:41:02
Micro Machines (Oct 22, 1993 prototype)22 October 1993Game Gear28 March 201930 March 2019 23:34:49
Miracle Warriors: Seal of the Dark Lord (Feb 25, 1988 prototype)25 February 1988Sega Master System25 December 200811 March 2017 09:43:23
Missle Defense 3-D (Prototype)Sega Master System23 September 20186 October 2018 13:50:47
Monopoly (Sega Master System prototype)Sega Master System15 August 201011 March 2017 09:45:17
Montezuma's Revenge (Jan 3, 1989 prototype)3 January 1989Sega Master System24 December 200911 March 2017 09:47:03
NBA Jam (Sega Master System Prototype)Sega Master System20 September 201111 March 2017 09:52:10
Nazo Puyo: Arle no Roux (Prototype)Game Gear1 March 200511 March 2017 09:49:33
Off the Wall (Jun 28, 1992 prototype)28 June 1992Game Gear23 July 201723 July 2017 16:10:22
Off the Wall (Prototype)TurboGrafx-1623 July 201723 July 2017 16:14:14
Out Run 3-D (Prototype)Sega Master System20 October 202026 October 2020 23:26:13
Paperboy 2 (Prototype)Game Gear6 April 201511 March 2017 09:56:02
Promocao Especial Sega Master System III CompactSega Master System12 April 200511 March 2017 10:02:53
Psycho Fox (Prototype)Sega Master System27 March 20222 April 2023 19:27:30
R-Type (Prototype)Sega Master System16 August 201111 March 2017 10:09:30
R.C. Grand Prix (Prototype)Sega Master System15 August 201011 March 2017 10:05:58
Rampage (SMS Prototype)Sega Master System28 December 202131 December 2021 19:56:38
Rastan (Prototype)Sega Master System27 March 202128 March 2021 16:03:18
Rayman (SNES prototype)SNES3 July 20173 July 2017 19:32:00
SG-1000 M2 Check Program (Prototype)SG-100026 November 201111 March 2017 17:28:16
Scramble Spirits (Prototype)Sega Master System9 January 20232 April 2023 18:06:49
Sega Game Pack 4 in 1 (Prototype)Game Gear7 October 201011 March 2017 10:13:06
Sega Graphic Board (Aug 25, 1987 prototype)Sega Master System4 October 201411 March 2017 10:19:27
Sega Master System BIOS (M404 prototype)Sega Master System30 July 201011 March 2017 17:23:29
Sega Master System BIOS (v1.0 prototype)Sega Master System26 November 201111 March 2017 17:25:08
Sega Master System Color and Switch Test (Prototype)Sega Master System29 March 200411 March 2017 07:55:09
Shanghai (Sega Master System Prototype)Sega Master System30 September 200811 March 2017 17:30:26
Slap Shot (Prototype)Sega Master System3 September 201011 March 2017 17:32:33
Solomon no Kagi: Oujo Rihita no Namida (Prototype)Sega Master System4 August 20184 August 2018 18:34:12
Sonic & Tails (Demo)14 September 1993Game Gear12 December 201011 March 2017 17:42:49
Sonic Drift (Demo)Game Gear15 April 200711 March 2017 17:48:44
Spirou (Game Gear prototype)Game Gear17 November 200711 March 2017 18:06:14
Street Battle (Prototype)Game Gear26 March 201729 March 2017 22:02:04
Street Heroes (Prototype A)Game Gear18 February 201211 March 2017 18:09:40
Street Heroes (Prototype B)Game Gear18 February 201211 March 2017 18:10:20
Strider (Prototype)Sega Master System27 March 201211 March 2017 18:12:26
Summer Games (Prototype A)Sega Master System28 December 202131 December 2021 19:26:29
Summer Games (Prototype B)Sega Master System23 September 200711 March 2017 18:22:38
Super Basketball (Prototype)Sega Master System17 October 200411 March 2017 18:24:50
Super Golf (Prototype)Sega Master System3 September 20117 December 2016 22:36:07
Super Monaco GP Sega Master System (Prototype A)Sega Master System27 March 201011 March 2017 18:28:28
Super Monaco GP Sega Master System (Prototype B)Sega Master System10 March 201211 March 2017 18:29:17
Super Off Road (Game Gear Prototype)Game Gear3 March 201729 March 2017 22:06:56
Superman (Game Gear prototype)Game Gear20 July 201111 March 2017 18:31:30
Taito Chase H.Q. (Prototype)Sega Master System27 March 202128 March 2021 16:09:59
Taz-Mania Sega Master System (Prototype)Sega Master System19 September 199911 March 2017 18:33:44
Teddy Boy Blues (EP My Card prototype)Sega Master System31 October 200511 March 2017 18:37:26
Tengen World Cup Soccer (Prototype)Game Gear27 March 202128 March 2021 16:14:58
The A-Team (Prototype)Sega Master System20 June 201011 March 2017 01:51:35
The Cyber Shinobi (Prototype)Sega Master System27 March 201211 March 2017 08:09:59
The Lucky Dime Caper starring Donald Duck (May 28, 1991 prototype)28 May 1991Sega Master System14 January 200611 March 2017 09:34:04
The Smurfs Travel the World (Aug 12, 1996 prototype)12 August 1996Sega Master System30 September 200811 March 2017 17:39:33
TransBot (Prototype)Sega Master System26 November 201111 March 2017 18:44:38
WildSnake (Game Gear Prototype)Game Gear29 March 201521 November 2016 22:22:55
Wonder Boy (Game Gear prototype)Game Gear30 December 202331 December 2023 18:16:03
Wonder Boy in Monster Land (Prototype)Sega Master System20 July 200911 March 2017 18:50:25
World Cup Italia '90 (Prototype)Sega Master System15 August 201011 March 2017 18:52:54
World Grand Prix (Prototype)Sega Master System26 November 201111 March 2017 18:57:35
Ys: Ancient Ys Vanished Omen (Prototype)Sega Master System10 March 201211 March 2017 19:04:38
Zaxxon 3D (Prototype)Sega Master System8 April 200611 March 2017 19:07:32
Zillion II: Tri Formation (Prototype)Sega Master System27 March 202128 March 2021 15:49:37
Zoop (Aug 11, 1995 Prototype)11 August 1995Game Gear23 October 199911 March 2017 19:09:03