Operation X357i

Players take the roles of Space Marines sent to investigate a distress signal from a luxury yacht that has crashed on an unknown jungle planet after an attack. They explore the planet, face whatever awaits, and pursue the mission’s shifting direction through their choices, with combat a central part of the scenario.

属性／ステータス制（STR、CON、PERなど）クラス制（パイロット、ウィザード、サイエンティストなど）成長ツリー（スキル、職業、魔法能力など）