The Act Two Title update for Slipways has 6 achievements.
Complete 8 campaign missions with any rank.
Complete 8 campaign missions with any rank (tough difficulty).
Complete 8 campaign missions with a rank of 3 gold stars or better.
Complete 8 campaign missions with a rank of 3 gold stars or better (tough difficulty).
Complete 8 campaign missions with a perfect platinum rank.
Complete 8 campaign missions with a perfect platinum rank (tough difficulty).