4C System
A public-domain roleplaying system inspired by classic superhero games. It includes Basic and Advanced rules for creating and running superhero adventures, and can also serve as a foundation for developing a custom roleplaying game.
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）アクションテーブル（表がアクションの結果を決定する）
ゲームについて
4C System2007
Super Teams Super Bases
4C System GM Screen2010
Weapons & Gear2008
4C Character Sheet: Magical Girls2009
4C System Character Record Sheet Form Fillable2010
4C System Libre Edition2012
4C System Character Record Sheet2010
Dreams & Nightmares2008
Local Heroes2018
Crash Landing2012
Easter Mayhem2008
My Favorite Charity2008
SEPULCHRE Strikes2008
St. Patrick's Day Parade2008
The Informant2012
The Villainous and the Vigilant 12008
Unregistered Mutant2008
World Metahuman Factbook: Australia2009
World Metahuman Factbook: Germany2008
4C Expanded 2.02022
Agents And Assassins: Modern-Day Action With The 4C System2008
Foresee Alpha2015
Foresee Alpha Campaign Modulator #12015
4C Expanded2019
4C Expanded Monstrous Compendium2022
Nomads of the Timestream2023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。