Sega Vintage Collection: Streets of Rage Cheats - Xbox 360

Unlock Extra Options in Streets of Rage 2
Hold [Down], [A] and [X] (Default controller settings) and select Options as player 2 to access the stage select, extra lives, and extra difficulty options.

Achievements
Complete each achievement to receive the allotted gamerscore:

A Display of Strength (20) - Used the special moves and attacks of every character in every game (hidden characters excluded).
A Hair's Breadth (40) - Saved General "The Chief"Peterov single-handedly with Zan in Streets of Rage 3.
A Kangaroo's Best Friend (40) - Defeated Bruce and freed Roo in Streets of Rage 3.
Beautiful, Yet Deadly (30) - Defeated Round 5's Mona & Lisa single-handedly with Blaze in Streets of Rage.
Cat-like Reflexes (20) - Performed a recovery after being thrown in Streets of Rage.
Declawer (Part I) (20) - Defeated the clawed Souther in Round 2 single-handedly with Adam in Streets of Rage.
Declawer (Part II) (20) - Defeated the clawed Zamza in Stage 3 single-handedly with Skate in Streets of Rage 2.
Eyes in the Back of Your Head (20) - Threw an enemy in Streets of Rage.
Heavy-weight Champion (30) - Defeated Abadede in Stage 4 single-handedly with Max in Streets of Rage 2.
Imposters Need Not Apply (30) - Defeated Axel's imposter single-handedly with Axel in Streets of Rage 3.
Syndicate Crusher (100) - Cleared every game.
Ultimate Power (30) - Max leveled a blitz attack in Streets of Rage 3.