2018 · ソースブック（プレイを拡張するルール／オプション）
Star Classes: Envoys
This Starfinder supplement expands the envoy class with more than 70 rules and flavor elements for social encounters and combat. It adds feats, expanded uses for Bluff, Diplomacy, Intimidate, and Sense Motive, new improvisations and expertise talents, and two archetypes: the versatile Polymath and the Engram Channeler. The book also includes six ready-to-use envoy characters and creatures ranging from the imperial ambassador to an alien tentacled telepath, with challenge ratings from 5 to 16.
属性／ステータス制（STR、CON、PERなど）ダイス（主にd20）ポイント制（ポイントを割り振ってスキルや能力を得る）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。