2016 · ソースブック（プレイを拡張するルール／オプション）
The Otso
A Pathfinder roleplaying game supplement introducing the Otso, a diminutive, bear-like race designed for use in Fat Goblin Games settings or home campaigns. It includes racial traits, alternate heritages and subtypes, favored class options for 38 classes, racial archetypes, feats, traits, spells, magic items, and equipment. Rules also cover traps, zip-line gliding, mounts such as giant squirrels, and options including the feral, grey-furred Lumi and panda-like Ponya.
スキルベース（スキルを購入または獲得）属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）
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。