《龍之忍者》（Dragon Ninja / ドラゴンニンジャ）由 南夢宮（Namco）於1989年7月14日在任天堂Famicom（紅白機）推出，改編自Data East於1988年風靡全球的大型電玩作品《Bad Dudes Vs. DragonNinja》。80年代末期「美式街頭英雄對抗東方忍者軍團」流行文化的典型代表，在紅白機上以流暢的雙層平台動作與硬漢風格戰鬥，成為無數動作遊戲愛好者心中的熱血經典。

在技術表現上，展現Namco處理快速動作遊戲的優異功力。畫面採用當時少見的雙層水平移結構，可以在上下兩層平台間自由跳躍穿梭，增加戰場立體感。視覺設計忠實還原美式動作片粗獷風格，主角身著背心與長褲，與色彩鮮豔、動作多變的忍者軍團形成鮮明對比。打擊感十足，每一次拳擊與踢擊都伴隨清脆音效。背景音樂充滿80年代動作電影風格的亢奮節奏，將「城市獵人式」英雄氣概與忍者入侵危機完美融合。

故事劇情簡單卻充滿硬漢熱血色彩。邪惡的龍之忍者軍團突襲白宮，綁架美國總統隆納·雷根（遊戲中稱 President Ronnie）。國家陷入混亂之際，特勤局派出兩名街頭戰士——刃（Blade）與前鋒（Striker）。必須橫跨繁華街道、疾馳貨運列車、幽暗下水道，最終攻入敵方直升機基地，擊敗首領，親手救回總統，並聽到那句經典台詞：「讓我們去吃漢堡吧！」

操作機制上，強調精準打擊判定與靈活位移，創造節奏感極強的操作體驗：

• 蓄力系統與強力打擊：基本攻擊是拳腳連擊，但可透過「蓄力」按鍵釋放 旋風重拳，一擊擊倒大部分雜兵，對Boss也有顯著傷害。玩家需在混戰中巧妙尋找蓄力空檔。
• 武器奪取與雙層跳躍：可從特定敵人奪取雙節棍或短刀，增加攻擊範圍並改變打擊節奏。需熟練運用「上＋跳」或「下＋跳」在雙層平台間切換，應對四面八方來襲的忍者攻擊，包括飛鏢或火焰。
• 快節奏Boss戰：每關結尾都有特色Boss，如會噴火的胖子、手持鎖鏈的巨漢等。需善用跳躍閃避攻擊並尋找破綻反擊，操作反饋迅速，要求玩家具備優異的動態視力與按鍵節奏感。

市場評價方面，被認為是動作流暢、爽快感十足且風格獨特的經典。評論家讚賞Namco成功將大型電玩的沉重打擊感完整移植到紅白機，雙層平台設計讓戰鬥更具層次。雖然遊戲流程短、難度偏高（特別是雜兵生成速度極快），但其濃厚的80年代英雄主義氛圍與中毒性戰鬥邏輯，使其成為紅白機動作遊戲史上的重要作品。市場普遍認可本作是 「純粹暴力美學」的代表作，那道蓄力發光的藍色身影至今仍深植老玩家心中，象徵美式硬漢對抗忍者的經典畫面。

Dragon Ninja (Dragon Ninja / ドラゴンニンジャ) was released by Namco on July 14, 1989 for the Nintendo Famicom (NES), adapted from Data East’s globally popular 1988 arcade title Bad Dudes Vs. DragonNinja. The game exemplifies the late 1980s trend of “American street heroes versus Eastern ninja clans” and became a beloved classic for action game enthusiasts on the Famicom thanks to its smooth dual-layer platforming and hard-hitting combat style.

Technically, Dragon Ninja demonstrates Namco’s mastery of fast-paced action games. The game features a dual-layer horizontal movement structure, allowing players to jump and traverse between two levels of platforms, adding depth to combat arenas. Visually, it faithfully captures the rugged style of American action films, with protagonists dressed in tank tops and trousers contrasting sharply with the colorful, dynamic ninja enemies. The game’s combat feedback is highly satisfying: each punch and kick is accompanied by crisp sound effects. The soundtrack is filled with the energetic, urgent electronic rhythms typical of 1980s action movies, perfectly combining the heroic “urban vigilante” vibe with the threat of ninja invasions.

The story is simple but full of hard-boiled excitement. The evil Dragon Ninja clan suddenly attacks the White House, kidnapping the U.S. President Ronnie Reagan (referred to as President Ronnie in-game). As chaos spreads, the Secret Service sends two street fighters—Blade and Striker. Players must traverse bustling city streets, speeding freight trains, and shadowy sewers, ultimately storming the enemy’s helicopter base to defeat the leader, rescue the president, and hear the classic line: “Let’s go get some hamburgers!”

Gameplay emphasizes precise attack timing and fluid movement, creating a highly rhythmic control experience:

• Charge attacks and powerful strikes: The basic attacks are punches and kicks, but holding the attack button triggers a spinning charged punch, capable of instantly defeating most standard enemies and dealing heavy damage to bosses. Players must strategically find openings for charging during chaotic battles.
• Weapon grabs and dual-layer jumping: Players can take weapons like nunchaku or short swords from specific enemies, expanding attack range and changing combat rhythm. Mastery of “up + jump” or “down + jump” is required to switch between layers and respond to enemies attacking from all directions, including shurikens or fire attacks.
• Fast-paced boss battles: Each stage ends with unique bosses, such as fire-breathing heavyweights or chain-wielding giants. Players must jump to dodge attacks and exploit weaknesses to counterattack. Quick input response demands excellent hand-eye coordination and timing.

Market reception: Dragon Ninja was praised as smooth, exhilarating, and stylistically unique. Critics admired Namco for successfully translating the heavy, impactful feel of the arcade version to the Famicom, with the dual-layer platforming adding strategic depth to combat. While some players found the game short and challenging (especially with rapid enemy spawns), the 1980s-style heroic atmosphere and addictive combat mechanics cemented its place in Famicom action game history. It is widely recognized as a quintessential example of “pure kinetic action aesthetics”, with the iconic glowing blue character remaining a vivid memory for veteran players as the ultimate symbol of American heroes versus ninja forces.