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