Kill 30 Enemies with the T-Bolt Sniper

Find 100 Treasures

Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Kill 20 Enemies with Gunfire While Hanging

Find 80 Treasures

Kill 30 Enemies with the KAL-7

Find 60 Treasures

Kill 30 Enemies with the G-MAL

Kill 100 Enemies with Headshots

Clock up 1 hour total time falling

Defeat 20 Enemies with Hand-to-Hand Combat

Kill 5 Enemies in a Row with Headshots