購買連結:https://www.humblebundle.com/games/x-universe-collection 1美金包含下列遊戲: X2: The Threat X: Tension X: Beyond the Frontier 平均價位再包含下列遊戲: X3: Terran Conflict X3: Albion Prelude X Rebirth X Rebirth: The Teladi Outpost 18美金再包含下列遊戲: X4: Foundations X4: Split Vendetta