TAD Corp 開發並由 Data East 於 1991 年 7 月 19 日在任天堂 Famicom（紅白機）上推出的《JuJu 傳說》，是改編自 1989 年熱門街機遊戲《Toki》的移植作品。以滑稽又古怪的「吐痰猴子」形象，在當時競爭激烈的動作遊戲市場中脫穎而出，憑藉其獨特風格與高難度玩法，成為一款令人印象深刻的經典作品。

在技術表現上，成功將街機版的豐富色彩轉化為紅白機的 8 位元點陣風格。主角是一隻略帶「大叔感」的猴子，這種幽默又逗趣的設定在當時極為罕見。遊戲場景涵蓋原始叢林、火山、水下世界以及冰原，各區域背景在紅白機上表現出色。音樂方面，旋律帶有原始部落風格的野性節奏，而主角吐出能量彈的「噗、噗」聲效則增添了滑稽又過癮的遊戲感。

故事劇情講述一名強壯的原始人戰士 JuJu（海外版稱 Toki），他的戀人被邪惡巫師綁架，而他自己也被施以詛咒，變成一隻醜陋的猴子。為了恢復人形並救回心愛的人，JuJu 必須穿越六個險惡的區域，擊敗各種敵人與 Boss。雖然劇情簡單，但成功營造出荒野求生的緊張感，最終目標是打敗巫師，打破詛咒重返人類身份。

操作上，融合橫向捲軸動作與射擊元素。JuJu 的唯一攻擊方式是從口中吐出能量彈，支援八方向射擊，玩家需要精準瞄準以應對空中或斜向來襲的敵人。可撿取各種強化道具，包括雙發彈提升攻擊覆蓋範圍、強力彈可貫穿敵人、短距離火焰攻擊，以及幽默的「橄欖球頭盔」，可以抵擋一次攻擊，既增加策略性，也讓角色形象更加逗趣。雖然主角是一隻猴子，但移動速度不快，跳躍慣性明顯，必須預判敵人的出現位置，掌握攻擊時機才能順利過關。

在市場上獲得「風格鮮明、難度極高但令人上癮」的評價。雖然外型可愛，但遊戲實際上非常硬核，尤其是水下關卡與 Boss 戰對玩家反應力要求極高。評論家認為 Data East 在紅白機上的移植保留街機版的核心神韻，尤其是那些誇張且具有挑戰性的 Boss 戰。本作被公認為 90 年代初期最具個性與特色的動作遊戲之一，即使多年後，老玩家一提到「那隻會吐口水的猴子」，腦海中浮現的第一印象仍然是《JuJu 傳說》。

TAD Corp developed and Data East released JuJu Densetsu on July 19, 1991, for the Nintendo Famicom. This game is a port of the 1989 arcade hit Toki and quickly stood out in the crowded action game market for its quirky and unusual protagonist—a spitting monkey. Its unique visual style and challenging gameplay made it a memorable title with a distinct personality.

Technically, JuJu Densetsu successfully translated the colorful arcade graphics into the Famicom’s 8-bit pixel art style. The protagonist, a slightly “middle-aged-looking” monkey, offered a rare combination of humor and charm at the time. The game’s environments span primitive jungles, volcanoes, underwater sections, and icy landscapes, with backgrounds that ranked among the better examples for the Famicom system. Musically, the soundtrack infused a wild, tribal rhythm, while sound effects—most notably the “pfft, pfft” noises of the protagonist spitting energy projectiles—added a comedic yet satisfying punch to the action.

The storyline revolves around a muscular caveman warrior named JuJu (known as Toki overseas), whose lover has been kidnapped by an evil sorcerer, and who himself has been cursed into the form of an unattractive monkey. To restore his human form and rescue his beloved, JuJu must traverse six perilous regions, confronting enemies and overcoming challenges. Although the plot is straightforward, it conveys a sense of survival in a harsh, predator-filled world, culminating in a final confrontation with the sorcerer to break the curse.

Gameplay blends side-scrolling action with shoot-em-up mechanics. JuJu’s primary attack is spitting energy projectiles from his mouth, allowing eight-directional shooting to handle aerial or diagonal threats. Players can collect various power-ups to enhance his attacks, such as dual shots for wider coverage, high-power shots that pierce enemies, and short-range flame bursts. A humorous defensive item, the “football helmet,” allows JuJu to absorb one hit from enemies, adding both strategy and comic relief. Despite his monkey form, JuJu’s movement is deliberately moderate with noticeable jump inertia, requiring players to anticipate enemy positions and attack preemptively.

JuJu Densetsu earned critical praise for its bold visual style and challenging gameplay. Although its cute and comical protagonist may seem approachable, the game is unforgiving, featuring dense enemy placement and particularly demanding underwater and boss battles. Reviewers highlighted the Famicom port’s fidelity to the arcade original, preserving the exaggerated and punishing boss encounters. Today, it is recognized as one of the most distinctive and characterful action games of the early 1990s, and for many veteran players, the image of the spitting monkey remains unforgettable.