由Square（現為 Square Enix）於1989年在任天堂紅白機（FC/NES）上推出的《史克威爾的湯姆歷險記》（スクウェアのトム・ソーヤ），是改編自馬克·吐溫同名經典文學作品的RPG。這部作品誕生於Square剛憑《Final Fantasy》嶄露頭角的時期，展現出極具野心與實驗精神的設計思維，將原本屬於美國密西西比河畔的少年冒險，轉化為一段既童趣又帶點荒誕與黑色幽默的數位旅程。

故事舞台設定在19世紀的美國聖彼得堡，玩家扮演淘氣又充滿想像力的少年湯姆·索亞。整個冒險從他在課堂上打瞌睡時展開的一場夢境開始，在夢中，他與好友哈克、貝琪等人為了尋找傳說中的海盜寶藏，沿著密西西比河踏上旅程，穿越荒島、洞窟與詭譎的鬼屋。與當時主流奇幻RPG不同，本作並沒有史萊姆或巨龍等傳統敵人，取而代之的是野狗、巨大青蛙、令人頭痛的老師，甚至是逃犯印第安喬。雖然劇情源自原著，但遊戲加入大量Squar式的幽默與誇張演出，使整段冒險充滿意想不到的轉折與趣味。

在玩法與系統方面，大膽拋棄傳統RPG常見的「魔法」與「MP」設定。角色沒有超能力，戰鬥方式來自日常生活，例如用拳頭或各種童玩進行攻擊。其中最具特色的是「力量（Power）」系統：遊戲沒有明確的等級與經驗值，而是透過戰鬥累積力量值，當數值提升時，角色在戰鬥畫面中的體型也會隨之成長，形成一種直觀的視覺回饋。戰鬥採用橫向視角，角色動作誇張生動，增添不少戲劇效果。

冒險過程中，可以招募數十位不同的同伴，每個角色都有各自特色。遊戲同時極度強調道具的運用，許多看似不起眼的物品，往往是解開關卡謎題的關鍵，讓整體體驗更偏向探索與思考，而非單純數值堆疊。

在市場評價方面，可說是毀譽參半。其優點在於當時相當出色的畫面與音樂表現，配樂由植松伸夫操刀，成功營造出濃厚的美國南方氛圍與冒險張力，背景細節也遠超當時多數FC遊戲。然而，遊戲的缺點同樣明顯，其難度設計極為嚴苛，包含大量即死陷阱、複雜迷宮，以及不直覺的道具觸發機制，使得許多玩家在沒有攻略輔助的情況下難以通關。

即便如此，這款作品仍被視為Square發展歷程中的重要實驗之一。它證明RPG並不一定要局限於劍與魔法的世界觀，即使是平凡少年的暑假冒險，也能被塑造成一段宏大而深刻的故事。對於喜愛懷舊遊戲的玩家而言，這是一款帶著挑戰性與「惡意難度」，卻同時散發獨特藝術魅力與童年情懷的異色經典。

Developed by Square Enix (formerly Square) and released in 1989 on the Famicom/NES, Square’s Tom Sawyer (スクウェアのトム・ソーヤ) is an RPG adaptation of the classic novel by Mark Twain. Created during the period when Square had just begun gaining recognition with Final Fantasy, the game showcases bold and experimental design, transforming a coming-of-age adventure along the Mississippi River into a whimsical digital journey filled with humor and subtle dark undertones.

The story is set in 19th-century St. Petersburg, USA, where players take on the role of the mischievous and imaginative boy Tom Sawyer. The adventure begins as a dream during one of his classroom naps. In this dream, Tom teams up with friends like Huck and Becky to search for a legendary pirate treasure, embarking on a journey along the Mississippi River that takes them through deserted islands, caves, and eerie haunted houses. Unlike the typical fantasy RPGs of its time, the game replaces dragons and slimes with more grounded yet quirky enemies such as wild dogs, giant frogs, strict teachers, and even the outlaw Injun Joe. While based on the original novel, the game injects Square’s signature humor and absurdity, making the adventure unpredictable and engaging.

In terms of gameplay systems, the title breaks away from traditional RPG conventions by eliminating magic and MP entirely. Characters possess no supernatural powers; instead, they fight using fists or everyday childhood items. One of the most memorable features is the unique “Power” system. Rather than leveling up through experience points, players increase their strength through continuous battles, and as their power grows, the characters visibly become larger in battle scenes—an innovative visual representation of progression at the time. Combat is presented in a side-view format, with lively animations that add a theatrical flair to encounters.

Throughout the journey, players can recruit dozens of companions, each with their own traits. The game also places heavy emphasis on item usage, where seemingly trivial objects often serve as the key to solving puzzles or progressing through stages. This design shifts the focus toward exploration and experimentation rather than pure stat-building.

Reception for Square’s Tom Sawyer was notably mixed. On the positive side, the game was praised for its impressive visuals and music. The soundtrack, composed by Nobuo Uematsu, effectively captures the atmosphere of the American South while enhancing the sense of adventure. The detailed backgrounds also stood out compared to many other Famicom titles of the time. However, criticism largely centered on its punishing and sometimes confusing difficulty. The game features numerous instant-death traps, complex maze-like maps, and obscure item mechanics, making it extremely difficult to complete without external guides.

Despite its flaws, the game remains an important experimental work in Square’s history. It demonstrated that RPGs need not be confined to swords-and-sorcery settings; even an ordinary boy’s summer adventure could be turned into an epic narrative. For fans of retro gaming, it stands as a uniquely charming classic—challenging, occasionally frustrating, yet rich with artistic character and nostalgic appeal.