GoG版も実績ってあるのかな？
需要無いかもしれないですが実績ページ作成してみます。

解除できる Steam 実績：45

実績アイコン	実績名	概要
	Completed Act I	You have completed Act I.
	Completed Act II	You have completed Act II.
	Completed Act III	You have completed Act III.
	Won the Game!!!	Congratulations! You have completed the game.
	Expert	Complete the game on Expert mode.
	Solo	Complete the game without taking any companions after Cilant Lis.
	Path of the Damned	Complete the game on Path of the Damned mode.
	Trial of Iron	Complete the game on Trial of Iron mode.
	Triple Crown	Complete the game on Expert, Trial of Iron, and Path of the Damned modes.
	Triple Crown SOLO	Complete the game on Expert, Trial of Iron, and Path of the Damned modes without taking any companions after Cilant Lis.
	No Rest for the Pro	Complete the game with fewer than 10 rests.~10回未満の休息でゲームをクリアする。
	Zero Knockouts	Complete the game without any party members hitting 0 Endurance.~パーティーメンバーが一度も気絶せずにゲームをクリアする。~レンジャーのペットの気絶は気絶回数にカウントされない。