Press The Buttons: Sonic Adventure DX Coming To PS3 And Xbox 360

Sonic Adventure DX (2011) - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic Adventure 2 (2012), Sonic Wiki Zone

Rumour - Sonic Adventure 2 listed for XBLA, possibly PSN

Sonic Adventure DX: Were We Too Harsh On It?

Live and learn: A Sonic Adventure 2 retrospective

Sonic Adventure DX: Director's Cut

Sonic Adventure 2 (Video Game) - TV Tropes

Small nitpick: why is sonic adventure DX under the Dreamcast collection, the moguls was in the Dreamcast but this version was on the GameCube originally : r/SonicTheHedgehog

Review: Sonic Adventure (PSN) » SEGAbits - #1 Source for SEGA News