https://hiddenpalace.org/w/api.php?action=feedcontributions&feedformat=atom&user=PhilipTheGuy 2026-10-27T17:02:40Z User contributions MediaWiki 1.43.9 https://hiddenpalace.org/w/index.php?title=Sonic_the_Hedgehog_2_(Dec_5,_1991_Autodemo_prototype)&diff=178087 2026-10-26T00:40:57Z

<p>PhilipTheGuy: changed picture order to be chronological</p> <hr /> <div>{{Prototype<br /> |titlescreen=Sonic 2 GG Autodemo Title.png<br /> |builddate=Dec 5, 1991<br /> |status=Released<br /> |dumper=Orengefox<br /> |releasedby=Orengefox<br /> |origin_type=Cartridge<br /> |origin_ownership=DreamTR (Unknown-2014), Orengefox (2014-present)<br /> |game=Sonic the Hedgehog 2<br /> |filereleasedate=Jul 12, 2016<br /> |system=Game Gear<br /> |genre=Platform<br /> |final_builddate={{RegionDate|JP|Sep 5, 1992}} {{RegionDate|EU|Sep 5, 1992}} {{RegionDate|US|Sep 5, 1992}}<br /> |release_date={{RegionDate|JP|Nov 21, 1992}} {{RegionDate|US|Nov 17, 1992}} {{RegionDate|EU|Oct 29, 1992}}<br /> |unreleased=No<br /> }}<br /> {{Download<br /> | file = Sonic the Hedgehog 2 Autodemo (Dec 5, 1991 prototype).7z<br /> | title = {{PAGENAME}}<br /> }}<br /> A non playable Autodemo of Sonic the Hedgehog 2 for the Sega Game Gear that seems to be based on a very early prototype.<br /> <br /> ==Notes==<br /> {{Tcrf link| Proto:Sonic the Hedgehog 2 (Sega Master System, Game Gear)}}<br /> * Other levels are playable through hacking.<br /> <br /> ==Screenshots==<br /> &lt;center&gt;&lt;gallery heights=&quot;144&quot; widths=&quot;160&quot;&gt;<br /> File:Sonic 2 Auto Demo Prototype Title Screen.png|Title screen [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Prototype Cutscene.png|Opening cutscene [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Green Hills Zone.png|Green Hills Zone [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Sky High Zone Glider.png|Sky High Zone [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Underground Zone Minecart.png|Underground Zone [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Coming Soon.png|&quot;Coming Soon&quot; screen [Screenshot by PhilipTheGuy]<br /> &lt;/gallery&gt;&lt;/center&gt;<br /> <br /> == Origin ==<br /> &lt;gallery mode=packed heights=240&gt;<br /> Sonic 2 GG Cart Front.jpg|Front of cart<br /> Sonic 2 GG Cart Back.jpg|Back of cart<br /> &lt;/gallery&gt;<br /> {{Prototype Footer|{{Navbox prototype|Sonic the Hedgehog 2}}}}</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=Sonic_the_Hedgehog_2_(Dec_5,_1991_Autodemo_prototype)&diff=178074 2026-10-25T21:52:26Z

<p>PhilipTheGuy: Corrected my notes</p> <hr /> <div>{{Prototype<br /> |titlescreen=Sonic 2 GG Autodemo Title.png<br /> |builddate=Dec 5, 1991<br /> |status=Released<br /> |dumper=Orengefox<br /> |releasedby=Orengefox<br /> |origin_type=Cartridge<br /> |origin_ownership=DreamTR (Unknown-2014), Orengefox (2014-present)<br /> |game=Sonic the Hedgehog 2<br /> |filereleasedate=Jul 12, 2016<br /> |system=Game Gear<br /> |genre=Platform<br /> |final_builddate={{RegionDate|JP|Sep 5, 1992}} {{RegionDate|EU|Sep 5, 1992}} {{RegionDate|US|Sep 5, 1992}}<br /> |release_date={{RegionDate|JP|Nov 21, 1992}} {{RegionDate|US|Nov 17, 1992}} {{RegionDate|EU|Oct 29, 1992}}<br /> |unreleased=No<br /> }}<br /> {{Download<br /> | file = Sonic the Hedgehog 2 Autodemo (Dec 5, 1991 prototype).7z<br /> | title = {{PAGENAME}}<br /> }}<br /> A non playable Autodemo of Sonic the Hedgehog 2 for the Sega Game Gear that seems to be based on a very early prototype.<br /> <br /> ==Notes==<br /> {{Tcrf link| Proto:Sonic the Hedgehog 2 (Sega Master System, Game Gear)}}<br /> * Other levels are playable through hacking.<br /> <br /> ==Screenshots==<br /> &lt;center&gt;&lt;gallery heights=&quot;144&quot; widths=&quot;160&quot;&gt;<br /> File:Sonic 2 Auto Demo Prototype Cutscene.png|Opening cutscene [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Prototype Title Screen.png|Title screen [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Green Hills Zone.png|Green Hills Zone [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Sky High Zone Glider.png|Sky High Zone [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Underground Zone Minecart.png|Underground Zone [Screenshot by PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Coming Soon.png|&quot;Coming Soon&quot; screen [Screenshot by PhilipTheGuy]<br /> &lt;/gallery&gt;&lt;/center&gt;<br /> <br /> == Origin ==<br /> &lt;gallery mode=packed heights=240&gt;<br /> Sonic 2 GG Cart Front.jpg|Front of cart<br /> Sonic 2 GG Cart Back.jpg|Back of cart<br /> &lt;/gallery&gt;<br /> {{Prototype Footer|{{Navbox prototype|Sonic the Hedgehog 2}}}}</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=Sonic_the_Hedgehog_2_(Dec_5,_1991_Autodemo_prototype)&diff=178072 2026-10-25T21:48:57Z

<p>PhilipTheGuy: Added credit to who originally made the images (Me)</p> <hr /> <div>{{Prototype<br /> |titlescreen=Sonic 2 GG Autodemo Title.png<br /> |builddate=Dec 5, 1991<br /> |status=Released<br /> |dumper=Orengefox<br /> |releasedby=Orengefox<br /> |origin_type=Cartridge<br /> |origin_ownership=DreamTR (Unknown-2014), Orengefox (2014-present)<br /> |game=Sonic the Hedgehog 2<br /> |filereleasedate=Jul 12, 2016<br /> |system=Game Gear<br /> |genre=Platform<br /> |final_builddate={{RegionDate|JP|Sep 5, 1992}} {{RegionDate|EU|Sep 5, 1992}} {{RegionDate|US|Sep 5, 1992}}<br /> |release_date={{RegionDate|JP|Nov 21, 1992}} {{RegionDate|US|Nov 17, 1992}} {{RegionDate|EU|Oct 29, 1992}}<br /> |unreleased=No<br /> }}<br /> {{Download<br /> | file = Sonic the Hedgehog 2 Autodemo (Dec 5, 1991 prototype).7z<br /> | title = {{PAGENAME}}<br /> }}<br /> A non playable Autodemo of Sonic the Hedgehog 2 for the Sega Game Gear that seems to be based on a very early prototype.<br /> <br /> ==Notes==<br /> {{Tcrf link| Proto:Sonic the Hedgehog 2 (Sega Master System, Game Gear)}}<br /> * Other levels are playable through hacking.<br /> <br /> ==Screenshots==<br /> &lt;center&gt;&lt;gallery heights=&quot;144&quot; widths=&quot;160&quot;&gt;<br /> File:Sonic 2 Auto Demo Prototype Cutscene.png|Opening cutscene [By PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Prototype Title Screen.png|Title screen [By PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Green Hills Zone.png|Green Hills Zone [By PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Sky High Zone Glider.png|Sky High Zone [By PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Underground Zone Minecart.png|Underground Zone [By PhilipTheGuy]<br /> File:Sonic 2 Auto Demo Coming Soon.png|&quot;Coming Soon&quot; screen [By PhilipTheGuy]<br /> &lt;/gallery&gt;&lt;/center&gt;<br /> <br /> == Origin ==<br /> &lt;gallery mode=packed heights=240&gt;<br /> Sonic 2 GG Cart Front.jpg|Front of cart<br /> Sonic 2 GG Cart Back.jpg|Back of cart<br /> &lt;/gallery&gt;<br /> {{Prototype Footer|{{Navbox prototype|Sonic the Hedgehog 2}}}}</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=Sonic_the_Hedgehog_2_(Dec_5,_1991_Autodemo_prototype)&diff=178062 2026-10-25T21:17:04Z

<p>PhilipTheGuy: </p> <hr /> <div>{{Prototype<br /> |titlescreen=Sonic 2 GG Autodemo Title.png<br /> |builddate=Dec 5, 1991<br /> |status=Released<br /> |dumper=Orengefox<br /> |releasedby=Orengefox<br /> |origin_type=Cartridge<br /> |origin_ownership=DreamTR (Unknown-2014), Orengefox (2014-present)<br /> |game=Sonic the Hedgehog 2<br /> |filereleasedate=Jul 12, 2016<br /> |system=Game Gear<br /> |genre=Platform<br /> |final_builddate={{RegionDate|JP|Sep 5, 1992}} {{RegionDate|EU|Sep 5, 1992}} {{RegionDate|US|Sep 5, 1992}}<br /> |release_date={{RegionDate|JP|Nov 21, 1992}} {{RegionDate|US|Nov 17, 1992}} {{RegionDate|EU|Oct 29, 1992}}<br /> |unreleased=No<br /> }}<br /> {{Download<br /> | file = Sonic the Hedgehog 2 Autodemo (Dec 5, 1991 prototype).7z<br /> | title = {{PAGENAME}}<br /> }}<br /> A non playable Autodemo of Sonic the Hedgehog 2 for the Sega Game Gear that seems to be based on a very early prototype.<br /> <br /> ==Notes==<br /> {{Tcrf link| Proto:Sonic the Hedgehog 2 (Sega Master System, Game Gear)}}<br /> * Other levels are playable through hacking.<br /> <br /> ==Screenshots [By PhilipTheGuy&lt;ref&gt;[[User:PhilipTheGuy]]&lt;/ref&gt;]==<br /> &lt;center&gt;&lt;gallery heights=&quot;144&quot; widths=&quot;160&quot;&gt;<br /> File:Sonic 2 Auto Demo Prototype Title Screen.png|Title screen<br /> File:Sonic 2 Auto Demo Prototype Cutscene.png|Opening cutscene<br /> File:Sonic 2 Auto Demo Green Hills Zone.png|Green Hills Zone<br /> File:Sonic 2 Auto Demo Sky High Zone Glider.png|Sky High Zone<br /> File:Sonic 2 Auto Demo Underground Zone Minecart.png|Underground Zone<br /> File:Sonic 2 Auto Demo Coming Soon.png|&quot;Coming Soon&quot; screen<br /> &lt;/gallery&gt;&lt;/center&gt;<br /> <br /> == Origin ==<br /> &lt;gallery mode=packed heights=240&gt;<br /> Sonic 2 GG Cart Front.jpg|Front of cart<br /> Sonic 2 GG Cart Back.jpg|Back of cart<br /> &lt;/gallery&gt;<br /> {{Prototype Footer|{{Navbox prototype|Sonic the Hedgehog 2}}}}</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=User:PhilipTheGuy&diff=178045 2026-10-25T17:33:19Z

<p>PhilipTheGuy: Described what i did</p> <hr /> <div>Added Photos to the Sonic 2 GG December 5th 1991 Autodemo prototype&lt;ref&gt;[[Sonic the Hedgehog 2 (Dec 5, 1991 Autodemo prototype)]]&lt;/ref&gt; page{{User stats|{{PAGENAME}}}}</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=Sonic_the_Hedgehog_2_(Dec_5,_1991_Autodemo_prototype)&diff=178044 2026-10-25T17:29:41Z

<p>PhilipTheGuy: Added photos of what&#039;s in the prototype, atleast what&#039;s accessible without cheats</p> <hr /> <div>{{Prototype<br /> |titlescreen=Sonic 2 GG Autodemo Title.png<br /> |builddate=Dec 5, 1991<br /> |status=Released<br /> |dumper=Orengefox<br /> |releasedby=Orengefox<br /> |origin_type=Cartridge<br /> |origin_ownership=DreamTR (Unknown-2014), Orengefox (2014-present)<br /> |game=Sonic the Hedgehog 2<br /> |filereleasedate=Jul 12, 2016<br /> |system=Game Gear<br /> |genre=Platform<br /> |final_builddate={{RegionDate|JP|Sep 5, 1992}} {{RegionDate|EU|Sep 5, 1992}} {{RegionDate|US|Sep 5, 1992}}<br /> |release_date={{RegionDate|JP|Nov 21, 1992}} {{RegionDate|US|Nov 17, 1992}} {{RegionDate|EU|Oct 29, 1992}}<br /> |unreleased=No<br /> }}<br /> {{Download<br /> | file = Sonic the Hedgehog 2 Autodemo (Dec 5, 1991 prototype).7z<br /> | title = {{PAGENAME}}<br /> }}<br /> A non playable Autodemo of Sonic the Hedgehog 2 for the Sega Game Gear that seems to be based on a very early prototype.<br /> [[File:Sonic 2 Auto Demo Prototype Title Screen.png|none|thumb|The title screen used in this Prototype]]<br /> [[File:Sonic 2 Auto Demo Prototype Cutscene.png|none|thumb|Shot of the cutscene used in this Prototype]]<br /> [[File:Sonic 2 Auto Demo Green Hills Zone.png|none|thumb|Shot of Green Hills Zone]]<br /> [[File:Sonic 2 Auto Demo Sky High Zone Glider.png|none|thumb|Shot of Sky High Zone's Glider section]]<br /> [[File:Sonic 2 Auto Demo Underground Zone Minecart.png|none|thumb|Shot of Underground Zone's Minecart section]]<br /> [[File:Sonic 2 Auto Demo &quot;Coming Soon&quot;.png|none|thumb|The Coming Soon screen]]<br /> <br /> ==Notes==<br /> {{Tcrf link| Proto:Sonic the Hedgehog 2 (Sega Master System, Game Gear)}}<br /> * Other levels are playable through hacking.<br /> <br /> == Origin ==<br /> &lt;gallery mode=packed heights=240&gt;<br /> Sonic 2 GG Cart Front.jpg|Front of cart<br /> Sonic 2 GG Cart Back.jpg|Back of cart<br /> &lt;/gallery&gt;<br /> {{Prototype Footer|{{Navbox prototype|Sonic the Hedgehog 2}}}}</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=File:Sonic_2_Auto_Demo_Underground_Zone_Minecart.png&diff=178042 2026-10-25T17:27:23Z

<p>PhilipTheGuy: </p> <hr /> <div>Shot of Underground Zone's Minecart section (One of)</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=File:Sonic_2_Auto_Demo_Sky_High_Zone_Glider.png&diff=178039 2026-10-25T17:24:13Z

<p>PhilipTheGuy: </p> <hr /> <div>Shot of Sky High Zone's Glider section, 2nd stage in the autodemo</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=File:Sonic_2_Auto_Demo_Green_Hills_Zone.png&diff=178038 2026-10-25T17:12:52Z

<p>PhilipTheGuy: </p> <hr /> <div>The first zone to appear in the Auto Demo</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=File:Sonic_2_Auto_Demo_Prototype_Cutscene.png&diff=178037 2026-10-25T17:09:30Z

<p>PhilipTheGuy: </p> <hr /> <div>Cutscene that appears after the Title screen, which is shown as the thumbnail of this page</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=File:Sonic_2_Auto_Demo_Prototype_Title_Screen.png&diff=178036 2026-10-25T17:06:35Z

<p>PhilipTheGuy: </p> <hr /> <div>This is the title screen that appears in this prototype. This title screen doesn't have Miles &quot;Tails&quot; Prower, implying he might not have been planned at the time.</div>

PhilipTheGuy https://hiddenpalace.org/w/index.php?title=User:PhilipTheGuy&diff=178031 2026-10-25T16:49:00Z

<p>PhilipTheGuy: create user page</p> <hr /> <div>{{User stats|{{PAGENAME}}}}</div>

PhilipTheGuy