由 Hot-B 於 1990 年 9 月 21 日在任天堂 Famicom（紅白機）上推出的《殺蟲戰記 X》（Insector X），是一款改編自 Taito 同名街機作品的橫向捲軸射擊遊戲。在當時多數射擊遊戲以宇宙戰機或未來科幻為主題的潮流之下，選擇將舞台縮小至「昆蟲世界」，並融合機械科技元素，塑造出一種極具辨識度的微觀戰場氛圍。

在視覺與聽覺表現上，嘗試將街機版本中鮮豔且充滿生命感的昆蟲世界移植到 8 位元主機上。雖然受限於硬體性能，色彩層次略有簡化，但在敵方單位的造型設計與子彈特效的呈現上仍維持一定水準。特別是將蜜蜂、甲蟲與螳螂等現實昆蟲與機械裝甲結合，形成一種帶有「生物機械」風格的獨特美學。音樂部分則以節奏緊湊且略帶野性的旋律為主，搭配擊破敵人時清脆的音效，成功營造出彷彿在草叢與地底深處激戰的臨場感。

故事設定在一個由類人型昆蟲族群統治的星球。原本和平的世界遭到裝備先進科技的「暗黑軍團」入侵，整個生態體系陷入危機。玩家將扮演昆蟲戰士延平，駕駛飛行機甲深入敵境，穿越森林、水域與複雜的地下巢穴，逐步瓦解敵方勢力，最終挑戰軍團首領。整體劇情雖然簡潔，但透過場景與敵人設計，成功呈現出一場「微觀尺度的全面戰爭」。

在操作與系統設計方面，承襲傳統橫向射擊遊戲的核心玩法，同時加入具策略性的升級與武器配置機制。同時擁有對空主砲與對地炸彈兩種攻擊手段，必須在高速移動與閃避彈幕的過程中靈活運用。透過擊敗敵人取得強化道具，可以提升攻擊威力或飛行速度，使戰鬥節奏隨著進程逐漸加快。

遊戲的一大特色在於多樣化的特殊武器系統。玩家可取得如擴散彈、穿透型攻擊或高威力能量波等不同武裝，並依照關卡地形與敵人配置靈活切換。例如在狹窄空間中，具備反彈或擴散效果的攻擊方式會更加有效，這種「因地制宜」的設計讓戰鬥不僅依賴反應速度，也強調判斷與策略。

此外，每一關卡的最終頭目戰亦是遊戲的重要挑戰。巨大化的機械昆蟲不僅體型龐大，攻擊模式也相當多變，往往涵蓋多角度與大範圍判定。玩家必須精準掌握移動節奏與攻擊時機，在有限的空間中尋找破綻，整體難度具有相當壓力。

整體而言，在市場上獲得不錯的評價，尤其其題材與視覺風格在當時顯得格外新穎。評論普遍認為，Hot-B 能夠在紅白機平台上實現流暢且具有層次的射擊體驗，實屬難得。儘管昆蟲題材對部分習慣宇宙戰爭背景的玩家而言略顯異類，但其紮實的操作手感與多變的武器系統，使本作成為一款值得回味的「異色射擊佳作」，在紅白機射擊遊戲史上佔有一席之地。

Released by Hot-B on September 21, 1990, for the Nintendo Famicom (NES), Insector X is a side-scrolling shooter adapted from an arcade title of the same name by Taito. At a time when most shooters were dominated by space and sci-fi themes, this game stood out by setting its action within a microscopic insect world infused with mechanical technology, creating a uniquely stylized battlefield.

In terms of audiovisual presentation, Insector X attempts to recreate the vibrant and lively insect world of the arcade version within the limitations of 8-bit hardware. Although the color depth is somewhat reduced, the design of enemy units and the visual effects of projectiles remain solid. The fusion of real-world insects—such as bees, beetles, and mantises—with mechanical armor produces a striking “biomechanical” aesthetic. The music features fast-paced, slightly primal rhythms, and when combined with the sharp sound effects of destroying enemies, it creates an intense atmosphere reminiscent of fierce battles within grasslands and underground tunnels.

The story takes place on a planet inhabited by humanoid insect tribes. Once peaceful, this world is suddenly invaded by the technologically advanced “Dark Army,” throwing the ecosystem into chaos. Players take on the role of the insect warrior Yanma, piloting a flying mech suit and venturing deep into enemy territory. Traversing forests, waterways, and intricate underground nests, the player gradually dismantles the enemy forces and ultimately confronts their leader. While the narrative itself is relatively simple, the environmental design and enemy variety effectively convey a sense of large-scale warfare on a microscopic level.

Gameplay-wise, the title follows the traditional side-scrolling shooter formula while incorporating strategic upgrade and weapon management systems. Players are equipped with both an air-targeting main gun and ground-targeting bombs, requiring careful coordination between offense and evasive movement. By defeating enemies and collecting power-up items, players can enhance their firepower or increase movement speed, causing the pace of combat to intensify as the game progresses.

One of the game’s highlights is its diverse special weapon system. Players can acquire different types of weaponry, such as spread shots, piercing attacks, and high-powered energy waves, and must switch between them depending on terrain and enemy formations. For instance, in confined spaces, weapons with bouncing or wide-area effects are far more effective. This “situational adaptability” adds a layer of strategy beyond simple reflex-based shooting.

Additionally, each stage culminates in a boss battle against massive mechanized insects. These bosses feature complex attack patterns that cover multiple angles and large portions of the screen. Players must precisely control movement and timing, identifying openings within tight spaces. The difficulty level in these encounters is notably demanding.

Overall, Insector X received generally positive feedback, particularly for its distinctive theme and visual style. Critics noted that Hot-B managed to deliver a smooth and layered shooting experience on the Famicom, which was no small feat. Although its insect theme might have seemed unusual to players accustomed to space shooters, its solid mechanics and varied weapon systems have earned it recognition as a memorable and unconventional gem within the Famicom shooter library.