2011 · ソースブック（プレイを拡張するルール／オプション）
Expansion for Level-based Character Progression
This rules expansion adds an alternative method of character advancement to level-based games that use skills and feats, including d20 fantasy and modern settings. Characters can improve skills and gain feats between levels, providing progression without waiting to reach the next level. The rules are designed for easy integration into existing campaigns.
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）
無料・Web、Android、iOS対応
LudoyaでExpansion for Level-based Character Progressionを遊ぼう
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。