The Lost Relics Add-on for Gears of War: Judgment has 10 achievements worth 250 gamerscore.
Finish wave 10 of Survival at the first e-hole on Ward on at least Normal difficulty
Win a TDM, DOM, and BT match with your entire team wearing the UIR Armor skin
Win public/ranked game of Execution on Museum with all players using Gold character and weapon skins
Destroy the generator in under 8 minutes on any DLC map
Earn the Tree House Predator ribbon on Ward
Get a kill with each pickup weapon in FFA during a single game on the map Lost City
Score a flag cap on Streets, Rig, Gondola, Library, Lost City, Museum, and Checkout
Score 5 flags in BT as Paduk
Kill the flag carrier a total of 20 times
Get a multi-kill while playing as an enraged Rager on Ward