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Prototype: ECCO II - The Tides of Time
Dec 22 2009, Sega Megadrive

This Ecco II build unofficially designated "0429" (from its filename) comes close on the heels of the previously-released "X11" prototype. Though not much time passed between these builds, the game has seen substantial advancement, rounding out of 'sketch' stages, improved stage architecture, object code, and many bugs and odd holes have been patched. However, this build brings with it some strange new elements, including 2 odd 'easter egg' stages. 0429 is a key part of the Ecco II development timeline and helps connect the "Playable Preview", "X11" and forthcoming builds.
ECCO II - The Tides of Time (Prototype - Apr 29, 1994)


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Unreleased: Lobo
Sep 15 2009, Sega Megadrive

Unreleased game originally developed by Ocean America, due to be released in 1996.
LOBO (Prototype)


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Unreleased: X-Men Mind Games
Aug 08 2009, Sega 32x

Only board cartridge. Dumped from the original cartridge source. Playable (only in real hardware). Game completion: not complete, early prototype. Date: 1994.
X-Men (32X) (Prototype - 1995)


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Unreleased: Virtua Hamster
Aug 06 2009, Sega 32x

Only board cartridge. Dumped from the original cartridge source. Playable. Game completion: not complete, very early prototype. Date: 1994.
Virtua Hamster (32X) (Prototype - 1994)


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Beta: Road Rash CD
Jul 23 2009, Sega Mega CD

A prototype of Road Rash CD, officially marked as 'Beta 3' by Electronic Arts.
Road Rash CD (Beta 3 - Feb 11, 1995)


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Beta: Road Rash 3
Jul 23 2009, Sega Megadrive

A prototype of Road Rash 3, officially marked as 'Beta 3' by Electronic Arts.
Road Rash 3 (Beta 3 - Jan 6, 1995)


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Prototype: Turok Advance
Feb 23 2009, Nintendo Gameboy Advance

A 3D version of Turok Advance the development of which was dropped in favor of the released 2D Turok Advance. This version is almost the same as the "Bright" version, except for the graphics, which are darker here.
Turok Advance (Prototype)


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Prototype: Turok Advance
Feb 23 2009, Nintendo Gameboy Advance

A 3D version of Turok Advance the development of which was dropped in favor of the released 2D Turok Advance. This version is almost the same as the unnamed version, except for the graphics, which are brighter
Turok Advance (Prototype - Bright)


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Prototype: Turok Advance
Feb 23 2009, Nintendo Gameboy Advance

A 3D version of Turok Advance the development of which was dropped in favor of the released 2D Turok Advance. This version is earlier than the other two released and includes some logos.
Turok Advance (Prototype - Logo)


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Unreleased: Judgement Force
Nov 02 2008, Sega Saturn

The unreleased Saturn version of Fighting Force. Started as "Streets of Rage 3D", the 3D continuation of the Megadrive Bare Knuckles franchise, it ended up being dropped for the Saturn and released as Fighting Force for Playstation.
Hidden Palace - Judgement Force (Prototype - Nov 26, 1996)


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Prototype 0219: Fire Emblem - Rekka no Ken
Jun 03 2008, Nintendo Gameboy Advance

Prototype "0219" of the 7th Fire Emblem game - Rekka no Ken. Comes in the form of the original .srl file.
Fire Emblem - Rekka no Ken (Prototype 0219)


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Prototype 0206: Fire Emblem - Rekka no Ken
Jun 03 2008, Nintendo Gameboy Advance

Prototype "0206" of the 7th Fire Emblem game - Rekka no Ken. Comes in the form of the original .srl file.
Fire Emblem - Rekka no Ken (Prototype 0206)


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Prototype: Ecco - The Tides of Time (Prototype X11 - Apr 13, 1994)
Mar 30 2008, Sega Megadrive

This unfinished version of Ecco II: The Tides of Time has the designation "X11" and was built on April 13, 1994. It has many dramatic differences from the final version of the game, and never-before-seen stages, music, enemies and more.
Ecco - The Tides of Time (Prototype X11 - Apr 13, 1994)


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Prototype: Nightmare Circus
Mar 30 2008, Sega Megadrive

An early prototype of Nightmare Circus, a very rare game itself.
Nightmare Circus (Prototype)


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Prototype: X-perts
Mar 30 2008, Sega Megadrive

An early prototype of X-perts.
X-perts (Prototype)


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Unreleased: Sega Saturn BIOS - Oct 12, 1994
Mar 30 2008, Sega Saturn

The unreleased version of the Sega Saturn BIOS, between 1.00 and 1.00a, dating Oct 12, 1994
Sega Saturn BIOS (Oct 12, 1994)


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JVC CD-ROM Emulator System EPROM
Mar 30 2008, Sega Saturn

JVC CD-ROM Emulator System (1.0a)


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Test Menu V1.0f
Mar 30 2008, Sega Saturn

Sega Saturn Test Menu V1.0f


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Prototype: Year at Pooh Corner
Mar 30 2008, Sega Pico

Year at Pooh Corner (Pico) (Prototype)


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Prototype: Snoopy no Gakugeikai
Mar 30 2008, Sega Pico

Snoopy no Gakugeikai (Pico) (Prototype)


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Prototype: Pico Soccer Mezase Soccer Senshu
Mar 30 2008, Sega Pico

Pico Soccer Mezase Soccer Senshu (Pico) (Prototype)


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Prototype: Pico Baseball
Mar 30 2008, Sega Pico

Pico Baseball (Pico) (Prototype)


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Prototype: Nippon Mukasi Banasi
Mar 30 2008, Sega Pico

Nippon Mukasi Banasi (Pico) (Prototype)


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Prototype: Kikansha Thomas Ni Notte
Mar 30 2008, Sega Pico

Kikansha Thomas Ni Notte (Pico) (Prototype)


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Prototype: Heisei Ten Sai Baka Bon Minna De Famiri-Restutoranni-Kun
Mar 30 2008, Sega Pico

Heisei Ten Sai Baka Bon Minna De Famiri-Restutoranni-Kun (Pico) (Prototype)


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Prototype: Heisei Kyouiku Iinkai Jr.
Mar 30 2008, Sega Pico

Heisei Kyouiku Iinkai Jr. (Pico) (Prototype)


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Prototype: Gakken no Obenkyou Soft Tasizan Hikizan
Mar 30 2008, Sega Pico

Gakken no Obenkyou Soft Tasizan Hikizan (Pico) (Prototype)


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Prototype: Dolucky no Oekaki House
Mar 30 2008, Sega Pico

Dolucky no Oekaki House (Pico) (Prototype)


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Prototype: Crayon Shinchan Oekaki Note
Mar 30 2008, Sega Pico

Crayon Shinchan Oekaki Note (Pico) (Prototype 3)


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Prototype: Crayon Shinchan Oekaki Note
Mar 30 2008, Sega Pico

Crayon Shinchan Oekaki Note (Pico) (Prototype 2)


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Prototype: Crayon Shinchan Oekaki Note
Mar 30 2008, Sega Pico

Crayon Shinchan Oekaki Note (Pico) (Prototype 1)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The final 2 build of Sonic The Hedgehog 2, dated Sep 29, 1992, 10.33
Sonic The Hedgehog 2 (Final 2 - Sep 29, 1992, 10.33)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The final build of Sonic The Hedgehog 2, dated Sep 26, 1992, 01.04
Sonic The Hedgehog 2 (Final - Sep 26, 1992, 01.04)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The prototype build Beta 8 of Sonic The Hedgehog 2, dated Sep 24, 1992, 19.27
Sonic The Hedgehog 2 (Beta 8 - Sep 24, 1992, 19.27)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The prototype build Beta 7 of Sonic The Hedgehog 2, dated Sep 24, 1992, 09.26
Sonic The Hedgehog 2 (Beta 7 - Sep 24, 1992, 09.26)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The prototype build Beta 6 of Sonic The Hedgehog 2, dated Sep 22, 1992, 19.42
Sonic The Hedgehog 2 (Beta 6 - Sep 22, 1992, 19.42)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The prototype build Beta 6 of Sonic The Hedgehog 2, dated Sep 22, 1992, 18.47
Sonic The Hedgehog 2 (Beta 6 - Sep 22, 1992, 18.47)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The prototype build Beta 5 of Sonic The Hedgehog 2, dated Sep 21, 1992, 12.06
Sonic The Hedgehog 2 (Beta 5 - Sep 21, 1992, 12.06)


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Prototype: Sonic The Hedgehog 2
Feb 23 2008, Sega Megadrive

The prototype build Beta 4 of Sonic The Hedgehog 2, dated Sep 18, 1992, 16.26
Sonic The Hedgehog 2 (Beta 4 - Sep 18, 1992, 16.26)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 94 of Sonic 3D Blast, dated Sep 04, 1996, 12.01
Sonic 3D Blast (Prototype 94 - Sep 04, 1996, 12.01)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 831 of Sonic 3D Blast, dated Sep 03, 1996, 10.07
Sonic 3D Blast (Prototype 831 - Sep 03, 1996, 10.07)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 830 of Sonic 3D Blast, dated Aug 31, 1996, 08.19
Sonic 3D Blast (Prototype 830 - Aug 31, 1996, 08.19)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 825 of Sonic 3D Blast, dated Aug 26, 1996, 15.46
Sonic 3D Blast (Prototype 825 - Aug 26, 1996, 15.46)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 819 of Sonic 3D Blast, dated Aug 19, 1996, 19.49
Sonic 3D Blast (Prototype 819 - Aug 19, 1996, 19.49)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 814 of Sonic 3D Blast, dated Aug 15, 1996, 07.55
Sonic 3D Blast (Prototype 814 - Aug 15, 1996, 07.55)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The prototype build 73 of Sonic 3D Blast, dated Jul 03, 1996, 13.58
Sonic 3D Blast (Prototype 73 - Jul 03, 1996, 13.58)


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Prototype: Sonic 3D Blast
Feb 23 2008, Sega Megadrive

The final build of Sonic 3D Blast, dated Sep 11, 1996, 11.49
Sonic 3D Blast (Final - Sep 11, 1996, 11.49)


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Prototype: Sonic 3C
Feb 23 2008, Sega Megadrive

The prototype build 0517 of Sonic 3C, the unreleased version of Sonic 3, dated May 17, 1994, 17.08
Sonic 3C (Prototype 0517 - May 17, 1994, 17.08)


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Prototype: Sonic 3C
Feb 23 2008, Sega Megadrive

The prototype build 0408 of Sonic 3C, the unreleased version of Sonic 3, dated Apr 08, 1994, 17.29
Sonic 3C (Prototype 0408 - Apr 08, 1994, 17.29)


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Prototype: Sonic & Knuckles
Feb 23 2008, Sega Megadrive

The prototype build 0618 of the Sonic & Knuckles S2K chip, dated Jun 18, 1994, 9.07
Sonic & Knuckles (S2K chip) (Prototype 0618 - Jun 18, 1994, 9.07)


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