Action! System
A core role-playing game system for creating characters and adventures inspired by favorite movies, television shows, and novels. The rules support interactive storytelling and are ready to use as presented, with optional extensions and variants providing additional flexibility for different styles of play. Recommended for ages 12 and up.
スキルベース（スキルを購入または獲得）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d6）
ゲームについて
Action! System Core Role-playing Game Rules2001
The Dragon's Gate: San Angelo's Chinatown2003
Gunslingers: Wild West Action!2004
The War of the Worlds2003
Big Bang Volume 012003
Big Bang Volume 022004
Big Bang Volume 042004
Instant Action! Quick Play Rules2003
Big Bang Volume 032004
Big Bang Volume 05: Grenades of the Cold War2004
San Angelo: City of Heroes 1.52003
The Thing In Radley Manor2002
The Village of Briarton (Electronic Edition)2003
Action! System Core Rules2003
Big Bang Special Edition: War in Iraq2004
Big Bang Volume 062004
Big Bang Volume 07: Covert Weapons2004
Big Bang: Small Arms of Argentina2008
Big Bang Volume 08: Soviet Anti-Tank Guided Weapons2004
Big Bang Volume 09: Weapons in Albenistan2005
Big Bang Volume 10: Small Arms from Ricochet2005
Big Bang: Mini-Bang 1 – Extra Material from 20032004
Big Bang: Mini-Bang 2 – Deadliest Weapon Than Never Was2004
Big Bang: Mini-Bang 3 – Experimental Weapons2004
Big Bang: Mini-Bang 4 – CAWS & Automatic Shotguns2004
Sentinels: Mortal Enemies2002
Shukuen: Merchant's Greed2003
Shukuen: The Abduction2003
Sleepless Nights2003
United Nations Specials Sourcebook2002
Retzel System2010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。