2014 · ソースブック（プレイを拡張するルール／オプション）
Era Digest: Dark Age
On 1 August 3132, most hyperpulse generators across the Inner Sphere fall silent, severing communication between the stars. As the Republic of the Sphere struggles to respond, rival factions exploit the crisis, old conflicts resurface, and new powers emerge. This mini-sourcebook covers the immediate aftermath of the HPG Blackout, detailing early reactions, splinter factions, and the political upheaval that begins the Dark Age. It includes rules and statistics for several units, along with role-playing support for campaigns set during this pivotal period.
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）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。