2012 · ソースブック（プレイを拡張するルール／オプション）
Experimental Technical Readout: Primitives, Vol. 2
This BattleTech reference presents early designs from the pre-Star League Age of War, when BattleMechs were uncommon, DropShips were still new, and combat vehicles and aerospace units dominated the battlefield. It details 13 primitive BattleMechs, vehicles, and aerospace units as they originally appeared, before later upgrades brought many of them to modern standards. Technical data and record sheets are included for use in advanced BattleTech games.
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）
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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。