From The TimeSplitters Wiki

Taking place after Beginners' Series, Mode Madness contains Matches based on various Modes, these include Regeneration, Shrink and Vampire. These Matches also unlock these respective Modes.

• Chastity Chased
• Shrinking from the Cold
• Scrap Metal

As for TS: FP, Mode Madness includes matches based on Elimination and Assault.

• I Like Dead People
• Zany Zeppelin
• Lip Up Fatty