Here is the full list of all 29 Killing Floor: Incursion achievements.
Kill a Husk with a thrown knife.
Get 10000 points in Holdout
Get 7000 points in Holdout
Kill a boss in Holdout in 1 shot.
Beat game on Hardcore (Hard mode)
Give the data to Foster
Kill a Scrake with only knives.
Beat Biotics in Co-op
Let's never talk about this again.
Get 5 kills while in Zed Time
Beat a map with only guns.
Beat a map with only melee attacks.
Kill a Zed at long range with a thrown knife.
Get 5000 points in Holdout
Get 2000 points in Holdout
Beat Paris in Co-op
Revive your partner in co-op.
Beat Catacombs in Co-op
Get the "Do Nothing" Ending
Beat Biotics in Solo
Give the data to Emma/Patriarch
Beat Paris in Solo
Dual-wield Zed limbs.
Beat Catacombs in Solo
Kill a Fleshpound with only knives and pistols.
Completely dismember a Zed.
Beat Farmhouse in Solo
Beat Farmhouse in Co-op
Blow yourself up with a grenade.