The Infinite Onslaught Title update for Killing Floor 2 has 10 achievements.
Complete DieSector wave 25 on Endless Normal difficulty
Complete DieSector wave 25 on Endless Hard difficulty
Complete DieSector wave 25 on Endless Suicidal difficulty
Complete DieSector wave 25 on Endless Hell On Earth difficulty
Collect all the items (D.A.R. Bobbleheads) on DieSector
Complete Power Core on Survival Normal difficulty
Complete Power Core on Survival Hard difficulty
Complete Power Core on Survival Suicidal difficulty
Complete Power Core on Survival Hell On Earth difficulty
Collect all the items (Batteries) on Power Core