Sonic the Hedgehog (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sonic the Hedgehog" in Simple English language version.

refsWebsite

Global rank Simple English rank

54metacritic.com

37^th place

159^th place

28web.archive.org

1^st place

20segasammy.co.jp

9,953^rd place

7,167^th place

3youtube.com

9^th place

24^th place

2gamasutra.com

704^th place

1,538^th place

2segaretro.org

low place

2salesdatabase.net

low place

2sega.com

low place

1fortune.com

433^rd place

572^nd place

1the-magicbox.com

9,775^th place

5,100^th place

1garaph.info

low place

1elspa.com

low place

8,950^th place

1geimin.net

low place

1mcvuk.com

3,781^st place

5,398^th place

1computerandvideogames.com

1,992^nd place

2,780^th place

1videogamer.com

2,648^th place

3,441^st place

1joystiq.com

1,728^th place

2,977^th place

1guinnessworldrecords.com

550^th place

370^th place

1kotaku.com

401^st place

510^th place

1edge-online.com

3,173^rd place

low place

1siliconera.com

1,187^th place

low place

computerandvideogames.com

Tom Ivan (February 4, 2011). "Vanquish sells 820,000 copies". Computer and Video Games. Retrieved February 18, 2011.

edge-online.com

Ivan, Tom (February 5, 2010). "Sega Posts Decline In Nine Month Game Sales". Edge. Archived from the original on October 11, 2010. Retrieved April 20, 2010.

elspa.com

"ELSPA Sales Awards". Entertainment and Leisure Software Publishers Association. Archived from the original on February 13, 2010. Retrieved February 3, 2009.

fortune.com

Gaudiosi, John (July 9, 2014). "Sonic the Hedgehog still running fast for Sega". Fortune. Time. Retrieved December 5, 2016.

gamasutra.com

Boutros, Daniel (August 4, 2006). "Sonic the Hedgehog 2". A Detailed Cross-Examination of Yesterday and Today's Best-Selling Platform Games. Gamasutra. p. 5. Archived from the original on February 27, 2012. Retrieved December 8, 2006.
Daniel Boutros (August 4, 2006). "Sonic Adventure". A Detailed Cross-Examination of Yesterday and Today's Best-Selling Platform Games. Gamasutra. Archived from the original on February 28, 2010. Retrieved December 8, 2006.

garaph.info

"Sonic". Garaph (Japan). February 4, 2013. Retrieved April 13, 2012.

geimin.net

"2003 Japan Charts". Geimin. Archived from the original on June 27, 2015. Retrieved April 13, 2012.

guinnessworldrecords.com

gamersblog.guinnessworldrecords.com

"The 'Godfather' of Gaming is Back!". Guinness World Records. May 2010. Archived from the original on May 25, 2010. Retrieved May 31, 2010.

joystiq.com

Kuo, Li C. (May 10, 2013). "Sega Sammy posts fiscal net profit". joystiq. Retrieved May 18, 2013.

kotaku.com

Crecente, Brian (July 18, 2008). "Another Mario Sonic Collaboration in the Works?". Kotaku. Retrieved July 30, 2008.

mcvuk.com

Ben Parfitt (May 29, 2008). "Sonic rings mobile success". MCV. Retrieved May 29, 2008.

metacritic.com

"Sonic the Hedgehog Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog Genesis Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 2 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 2 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog CD Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog CD Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog CD Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic & Knuckles Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure DX Director's Cut Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure 2 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure 2 Battle Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure 2 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Adventure 2 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Advance Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Advance 2 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Heroes Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Heroes Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Heroes Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Heroes Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Advance 3 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Rush Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Rush Adventure Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Unleashed Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Unleashed Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Unleashed Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Unleashed Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode 1 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode 1 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode 1 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode 1 Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Colors Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Colors Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Generations Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Generations Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Generations Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Generations Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode II Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode II Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode II Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic the Hedgehog 4: Episode II Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Lost World Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Lost World Reviews". Metacritic. Retrieved February 4, 2011.
"Sonic Mania". Metacritic. Retrieved October 14, 2017.
"Sonic Mania". Metacritic. Retrieved October 14, 2017.
"Sonic Mania". Metacritic. Retrieved November 11, 2017.
"Sonic Mania". Metacritic. Retrieved November 11, 2017.
"Sonic Forces for Xbox One Reviews". Metacritic. Retrieved November 15, 2017.
"Sonic Forces for PC Reviews". Metacritic. Retrieved November 15, 2017.
"Sonic Forces for PlayStation 4 Reviews". Metacritic. Retrieved November 15, 2017.
"Sonic Forces for Switch Reviews". Metacritic. Retrieved November 15, 2017.

salesdatabase.net

"Mario & Sonic at the Sochi 2014 Olympic Winter Games". Japan Game Sales Database. Retrieved October 15, 2018.
"Mario & Sonic at the Rio 2016 Olympic Games". Japan Game Sales Database. Retrieved October 15, 2018.

sega.com

forums.sega.com

"BUSINESS WIRE: SALES YEAR FOR SEGA'S GENESIS, GAME GEAR AND SEGA CD". Accessed via factiva. Business Wire. Archived from the original on October 8, 2011. Retrieved November 6, 2010.

sega.com

"London's Calling Mario & Sonic" (Press release). Sega/Nintendo. April 21, 2011. Archived from the original on September 16, 2012. Retrieved April 21, 2011.)

segaretro.org

"Annual Report 2004". Sega Sammy Holdings. March 31, 2004. Retrieved June 11, 2017.
"Annual Report 2005". Sega Sammy Holdings. May 25, 2005. Retrieved June 11, 2017.

segasammy.co.jp

SEGA SAMMY HOLDINGS – INTEGRATED REPORT 2018 (PDF). Sega Sammy Holdings. 2018. p. 30. Archived from the original (PDF) on August 23, 2019. Retrieved July 14, 2019.
"SEGA SAMMY HOLDINGS ANNUAL REPORT 2006" (PDF). July 2006. p. 47. Archived from the original (PDF) on March 30, 2016. Retrieved November 27, 2017.
"Fiscal Year Ended March 2007 Full Year Results" (PDF). May 14, 2007. p. 15. Archived from the original (PDF) on July 29, 2016. Retrieved November 27, 2017.
"Financial Results". Sega Sammy Holdings. May 25, 2005. Retrieved June 11, 2017.^{[permanent dead link]}
"Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 16, 2006. Archived from the original (PDF) on October 11, 2016. Retrieved June 11, 2017.
"Full Year Results" (PDF). Sega Sammy Holdings. May 14, 2007. Archived from the original (PDF) on July 29, 2016. Retrieved June 11, 2017.
"Financial Results" (PDF) (in Japanese). Sega Sammy Holdings. May 13, 2009. p. 7. Archived from the original (PDF) on May 13, 2011. Retrieved September 11, 2009.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2010" (PDF). Sega Sammy Holdings. May 14, 2010. p. 5. Archived from the original (PDF) on October 3, 2011. Retrieved April 13, 2012.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2011" (PDF). Sega Sammy Holdings. May 13, 2011. p. 3. Archived from the original (PDF) on March 15, 2012. Retrieved April 13, 2012.
A franquia Sonic vendeu aproximadamente 80 milhões de unidades desde junho de 2011: Ver http://www.videogamer.com/xbox360/sonic_generations/news/sonic_the_hedgehog_celebrates_his_20th_birthday.html. {{cite web}}: Missing or empty |title= (help); Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |primeiro= ignored (help); Unknown parameter |título= ignored (|title= suggested) (help); Unknown parameter |último= ignored (help) Adicionalmente, Mario & Sonic at the London 2012 Olympic Games vendeu 3,28 milhões de cópias e Sonic Generations vendeu 1,85 milhões de unidades até de março de 2012, Sonic & All-Stars Racing Transformed vendeu 1,36 milhões de unidades até o final de março de 2013, Sonic Lost World vendeu 710,000 unidades até março de 2014, e Sonic Boom: Rise of Lyric/Sonic Boom: Shattered Crystal vendeu 620,000 unidades até março de 2015. Ver "Archived copy" (PDF). p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); "Archived copy" (PDF). p. 21. Archived from the original (PDF) on March 24, 2016. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); "Archived copy" (PDF). p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); e "Archived copy" (PDF). p. 6. Archived from the original (PDF) on May 12, 2015. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link)
"Appendix of Consolidated Financial Statements Year Ended March 31, 2012" (PDF). Sega Sammy Holdings. May 8, 2012. p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved April 13, 2015.
"FY Ended March 2014 Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 12, 2014. p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved July 18, 2014.
"FY Ended March 2015 Full Year Results Presentation" (PDF). Sega Sammy Holdings. March 31, 2015. p. 21. Archived from the original (PDF) on May 12, 2015. Retrieved December 15, 2015.
Annual Report 2011 (PDF). 2011. p. 43. Archived from the original (PDF) on May 2, 2020. Retrieved October 13, 2018.
"Appendix of Consolidated Financial Statements: Year Ended March 31, 2012" (PDF). Sega Sammy Holdings. May 11, 2012. p. 6. Archived from the original (PDF) on May 22, 2012. Retrieved May 17, 2012.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2012" (PDF). Sega Sammy Holdings. May 11, 2012. p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved September 8, 2016.
"FY Ended March 2013 Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 13, 2013. p. 21. Archived from the original (PDF) on March 24, 2016. Retrieved September 8, 2016.
"FY Ended March 2014 Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 12, 2014. p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved September 8, 2016.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2015" (PDF). Sega Sammy Holdings. May 11, 2015. p. 6. Archived from the original (PDF) on May 12, 2015. Retrieved September 8, 2016.
"Delivering Quality Games to Even More Customers". Annual Report 2013. Sega Sammy Holdings. Archived from the original on July 23, 2018. Retrieved July 22, 2018.

siliconera.com

Sato. "Sonic Mania Reaches 1 Million In Worldwide Sales". Sliconera. Retrieved April 24, 2018.

the-magicbox.com

"US Platinum Videogame Chart". The Magic Box. December 27, 2007. Archived from the original on January 6, 2007. Retrieved August 3, 2008.

videogamer.com

A franquia Sonic vendeu aproximadamente 80 milhões de unidades desde junho de 2011: Ver http://www.videogamer.com/xbox360/sonic_generations/news/sonic_the_hedgehog_celebrates_his_20th_birthday.html. {{cite web}}: Missing or empty |title= (help); Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |primeiro= ignored (help); Unknown parameter |título= ignored (|title= suggested) (help); Unknown parameter |último= ignored (help) Adicionalmente, Mario & Sonic at the London 2012 Olympic Games vendeu 3,28 milhões de cópias e Sonic Generations vendeu 1,85 milhões de unidades até de março de 2012, Sonic & All-Stars Racing Transformed vendeu 1,36 milhões de unidades até o final de março de 2013, Sonic Lost World vendeu 710,000 unidades até março de 2014, e Sonic Boom: Rise of Lyric/Sonic Boom: Shattered Crystal vendeu 620,000 unidades até março de 2015. Ver "Archived copy" (PDF). p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); "Archived copy" (PDF). p. 21. Archived from the original (PDF) on March 24, 2016. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); "Archived copy" (PDF). p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); e "Archived copy" (PDF). p. 6. Archived from the original (PDF) on May 12, 2015. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link)

web.archive.org

SEGA SAMMY HOLDINGS – INTEGRATED REPORT 2018 (PDF). Sega Sammy Holdings. 2018. p. 30. Archived from the original (PDF) on August 23, 2019. Retrieved July 14, 2019.
Boutros, Daniel (August 4, 2006). "Sonic the Hedgehog 2". A Detailed Cross-Examination of Yesterday and Today's Best-Selling Platform Games. Gamasutra. p. 5. Archived from the original on February 27, 2012. Retrieved December 8, 2006.
"BUSINESS WIRE: SALES YEAR FOR SEGA'S GENESIS, GAME GEAR AND SEGA CD". Accessed via factiva. Business Wire. Archived from the original on October 8, 2011. Retrieved November 6, 2010.
"US Platinum Videogame Chart". The Magic Box. December 27, 2007. Archived from the original on January 6, 2007. Retrieved August 3, 2008.
Daniel Boutros (August 4, 2006). "Sonic Adventure". A Detailed Cross-Examination of Yesterday and Today's Best-Selling Platform Games. Gamasutra. Archived from the original on February 28, 2010. Retrieved December 8, 2006.
"ELSPA Sales Awards". Entertainment and Leisure Software Publishers Association. Archived from the original on February 13, 2010. Retrieved February 3, 2009.
"2003 Japan Charts". Geimin. Archived from the original on June 27, 2015. Retrieved April 13, 2012.
"SEGA SAMMY HOLDINGS ANNUAL REPORT 2006" (PDF). July 2006. p. 47. Archived from the original (PDF) on March 30, 2016. Retrieved November 27, 2017.
"Fiscal Year Ended March 2007 Full Year Results" (PDF). May 14, 2007. p. 15. Archived from the original (PDF) on July 29, 2016. Retrieved November 27, 2017.
"Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 16, 2006. Archived from the original (PDF) on October 11, 2016. Retrieved June 11, 2017.
"Full Year Results" (PDF). Sega Sammy Holdings. May 14, 2007. Archived from the original (PDF) on July 29, 2016. Retrieved June 11, 2017.
"Financial Results" (PDF) (in Japanese). Sega Sammy Holdings. May 13, 2009. p. 7. Archived from the original (PDF) on May 13, 2011. Retrieved September 11, 2009.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2010" (PDF). Sega Sammy Holdings. May 14, 2010. p. 5. Archived from the original (PDF) on October 3, 2011. Retrieved April 13, 2012.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2011" (PDF). Sega Sammy Holdings. May 13, 2011. p. 3. Archived from the original (PDF) on March 15, 2012. Retrieved April 13, 2012.
A franquia Sonic vendeu aproximadamente 80 milhões de unidades desde junho de 2011: Ver http://www.videogamer.com/xbox360/sonic_generations/news/sonic_the_hedgehog_celebrates_his_20th_birthday.html. {{cite web}}: Missing or empty |title= (help); Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |primeiro= ignored (help); Unknown parameter |título= ignored (|title= suggested) (help); Unknown parameter |último= ignored (help) Adicionalmente, Mario & Sonic at the London 2012 Olympic Games vendeu 3,28 milhões de cópias e Sonic Generations vendeu 1,85 milhões de unidades até de março de 2012, Sonic & All-Stars Racing Transformed vendeu 1,36 milhões de unidades até o final de março de 2013, Sonic Lost World vendeu 710,000 unidades até março de 2014, e Sonic Boom: Rise of Lyric/Sonic Boom: Shattered Crystal vendeu 620,000 unidades até março de 2015. Ver "Archived copy" (PDF). p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); "Archived copy" (PDF). p. 21. Archived from the original (PDF) on March 24, 2016. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); "Archived copy" (PDF). p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link); e "Archived copy" (PDF). p. 6. Archived from the original (PDF) on May 12, 2015. Retrieved July 14, 2019. {{cite web}}: Unknown parameter |acessodata= ignored (|access-date= suggested) (help); Unknown parameter |data= ignored (|date= suggested) (help); Unknown parameter |obra= ignored (|work= suggested) (help); Unknown parameter |título= ignored (|title= suggested) (help)CS1 maint: archived copy as title (link)
"Appendix of Consolidated Financial Statements Year Ended March 31, 2012" (PDF). Sega Sammy Holdings. May 8, 2012. p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved April 13, 2015.
"FY Ended March 2014 Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 12, 2014. p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved July 18, 2014.
"FY Ended March 2015 Full Year Results Presentation" (PDF). Sega Sammy Holdings. March 31, 2015. p. 21. Archived from the original (PDF) on May 12, 2015. Retrieved December 15, 2015.
Annual Report 2011 (PDF). 2011. p. 43. Archived from the original (PDF) on May 2, 2020. Retrieved October 13, 2018.
"London's Calling Mario & Sonic" (Press release). Sega/Nintendo. April 21, 2011. Archived from the original on September 16, 2012. Retrieved April 21, 2011.)
"Appendix of Consolidated Financial Statements: Year Ended March 31, 2012" (PDF). Sega Sammy Holdings. May 11, 2012. p. 6. Archived from the original (PDF) on May 22, 2012. Retrieved May 17, 2012.
"The 'Godfather' of Gaming is Back!". Guinness World Records. May 2010. Archived from the original on May 25, 2010. Retrieved May 31, 2010.
Ivan, Tom (February 5, 2010). "Sega Posts Decline In Nine Month Game Sales". Edge. Archived from the original on October 11, 2010. Retrieved April 20, 2010.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2012" (PDF). Sega Sammy Holdings. May 11, 2012. p. 6. Archived from the original (PDF) on March 29, 2016. Retrieved September 8, 2016.
"FY Ended March 2013 Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 13, 2013. p. 21. Archived from the original (PDF) on March 24, 2016. Retrieved September 8, 2016.
"FY Ended March 2014 Full Year Results Presentation" (PDF). Sega Sammy Holdings. May 12, 2014. p. 21. Archived from the original (PDF) on July 25, 2014. Retrieved September 8, 2016.
"Appendix of Consolidated Financial Statements Year Ended March 31, 2015" (PDF). Sega Sammy Holdings. May 11, 2015. p. 6. Archived from the original (PDF) on May 12, 2015. Retrieved September 8, 2016.
"Delivering Quality Games to Even More Customers". Annual Report 2013. Sega Sammy Holdings. Archived from the original on July 23, 2018. Retrieved July 22, 2018.

youtube.com

Sonic the Hedgehog GameTap Retrospective Pt. 3/4. Event occurs at 1:21.
Sonic the Hedgehog GameTap Retrospective Pt. 3/4. Event occurs at 3:19.
Sonic the Hedgehog GameTap Retrospective Pt. 4/4. Event occurs at 1:39.