From The TimeSplitters Wiki

Mall
Size	Medium
Location	Small-sized Mall
Climate	None
Unlockable	"Mansion" on Normal
Recommended Bots	N/A
Recommended Weapons	N/A

Mall features a small shop (contrare to the name suggesting a larger complex), but also a street in front of it, a small warehouse, an alternate entry for wares and what looks like a maintenance area with ventilation shafts above the shop.