2020 · ソースブック（プレイを拡張するルール／オプション）
Alien Archive 4
This Starfinder reference book presents nearly 100 alien life-forms, including classic creatures and new beings such as robot dragons, crystal-infused humanoids, polyphonic gels, and sun-skimming beetles. It also includes player rules for a dozen playable species, along with alien armor, weapons, magic items, and other technology. Additional rules allow characters to graft physical traits from other species onto themselves, providing further options for character customization.
属性／ステータス制（STR、CON、PERなど）ポイント制（ポイントを割り振ってスキルや能力を得る）ダイス（主にd20）
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。