Black One Blood Brothers achievements

Finish a mission with 3 captured enemies

Finish at least once "Arctic base"

Successfully 1000 complete missions

Finish at least once "Klettgau Forest"

Achieve max rank

Successfully 3 complete missions

Successfully 40 complete missions

Successfully 30 complete missions

Successfully 10 complete missions

Successfully 1 complete mission

Finish "Spec Ops" with 3 tasks and a global scoring of 100%

Finish at least once "Ancient ruins"