Calypso's trophy case is filled with items from previous Twisted Metal games. These include:

• Twisted Metal: The mysterious recordings that Agent Stone and Commander Mason were looking for, Needles Kane's paper bag, and Charlie Kane's immortality potion.
• Twisted Metal 2: Amanda Watts' Helmet, Mike and Stu's plane tickets, and a few bricks from Simon Whittlebone's tower.
• Twisted Metal: Black: Raven's Voodoo Dolls, No-Face's boxing glove, the key to DollFace's mask, the teddy bear of the little girl killed by Agent Stone, and John Doe's Spoiler:FBI badge.