Three Rings Design

Three Rings Design
Founded: 2001
Merged into: Sega (2011)
Headquarters: San Francisco, CA, USA

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Three Rings Design, a formerly independent game developer owned by Sega as of 2011

Softography

PC

• Spiral Knights (2011)
• Doctor Who: Worlds in Time (2011)

iOS

• Spellwood (2012)
• Puzzle Pirates (2013)

Android

• Spellwood (2012)
• Puzzle Pirates (2013)

External links

• Acquisition press release from Sega Europe

References

Overseas Sega companies, studios and subsidiaries
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CSK																				Sega Sammy Holdings
	Sega of America
					Sega Technical Institute
								Sega Away Team
							Sega Europe
							Sega France														Sega France
							Sega España														Sega España
								Sega Interactive
								Sega Germany													Sega Germany
								Sega Taiwan
									Sega Benelux													Sega Benelux
									Sega Multimedia Studio
									Sega Midwest Studio
									Sega Amusements USA
										Deith Leisure						Sega Amusements Europe															Sega Amusements International
																							Sega Total Solutions
																							Sega Prize Europe
											Sega Music Group
											SegaSoft
											Sega Entertainment
														No Cliche
															Sega of America Dreamcast
															Sonic Team USA						Sega Studios USA
															Visual Concepts
																Sega.com
																			Sega Mobile										Sega Networks Inc.
																			Sega Publishing Korea
																		Sega of China
																					The Creative Assembly
																						Sega Studios San Francisco
																						Sports Interactive
																								Sega Studios Australia
																											Three Rings Design
																													Relic Entertainment
																													Atlus USA
																															Demiurge Studios
																															Go Game
																																Amplitude Studios