1983 · シナリオ／アドベンチャー／モジュール
The Menace Beneath the Sea
This adventure follows the daredevils as they investigate a mysterious engine and face danger during a hazardous flight. The scenario continues Doctor Ling’s plot involving the Nine Stones of Uighur, leading to an assault on his stronghold, battles with his minions, and a race to stop his plan. It also includes background on Japanese ninja, along with ready-to-use ninja characters for these or other adventures.
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）
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。