The Deniable Ops: Insurgency Add-on for Tom Clancy's Splinter Cell Conviction has 9 achievements worth 250 gamerscore.
Complete Deniable Ops: Insurgency on Realistic difficulty in Hunter or Infiltration game mode
Complete CO-OP "Under Construction" while shooting all the explosives in realistic difficulty
In the first area of the "San Francisco, CA" map, neutralize (12) enemies inside containers
In the "Washroom", neutralize (18) enemies
Complete CO-OP "Salt Lake City, UT" mission on Rookie or Normal difficulty
Complete CO-OP "Portland, ME" mission on Rookie or Normal difficulty
In the "Crypt", perform (12) hand to hand takedowns without alerting other enemies
Complete CO-OP "New Orleans, LA" mission on Rookie or Normal difficulty
Complete CO-OP "San Francisco, CA" mission on Rookie or Normal difficulty