The Anniversary - Episodes 1 & 2 Add-on for Lara Croft Tomb Raider: Legend has 5 achievements worth 110 gamerscore.
Anniversary - Complete Croft Manor (any difficulty setting).
Anniversary - Complete Episode 2 (any difficulty setting).
Anniversary - Collect all Episode 2 relics and artifacts (any difficulty setting).
Anniversary - Complete Episode 1 (any difficulty setting).
Anniversary - Collect all Episode 1 relics and artifacts (any difficulty setting).