《潛水員戴夫：完全版》（英文：DAVE THE DIVER: Complete Edition，日文：デイヴ・ザ・ダイバー COMPLETE EDITION）是一款將潛水探索、捕魚、餐廳經營與冒險元素結合在一起的特色作品。本完全版將原作以及多項大型聯名與追加內容集中收錄，讓玩家可以一次體驗戴夫與夥伴們最完整的冒險。

完全版除了原有的海底探索與壽司餐廳經營內容之外，還收錄與《漁帆暗湧（DREDGE）》的聯動內容。玩家可以追查神秘的變異魚種，探索更加詭異的海洋生態。此外，本作也收錄與《哥吉拉（Godzilla）》合作的特殊內容。戴夫將搭乘潛水艇，迎戰體型龐大的怪獸，為原本以捕魚和餐廳經營為主的遊戲加入更加刺激的戰鬥元素。

另一項重要聯動內容則是《一番的休日》，玩家可以與《人中之龍》系列主角春日一番攜手合作，共同面對敵人。不同作品角色的加入，也讓《DAVE THE DIVER》的世界觀更加豐富。完全版同時加入人氣格鬥遊戲《聖騎士之戰 -奮戰-（GUILTY GEAR -STRIVE-）》的聯名內容，包括特殊節奏遊戲以及限定武器等內容。這些跨作品合作使本作不只是單純的農場或餐廳模擬遊戲，而逐漸形成一個充滿各種遊戲文化彩蛋的冒險世界。

除了上述聯動內容之外，玩家還能跟隨戴夫與伙伴們前往全新的叢林區域，展開跨越海洋的冒險。新的區域加入了全新的湖底生態系統，玩家可以發現不同於原本海洋環境的生物與探索內容。同時還增加新的任務與約10小時的新劇情，進一步擴充戴夫的冒險故事。玩家還可以在新的餐廳「班喬燒烤」中經營生意。這次餐廳所使用的食材來自叢林地區，因此玩家必須探索新的環境、取得特殊食材，再將這些材料運用於餐廳經營之中。

《DAVE THE DIVER》的核心玩法依然圍繞著「白天潛水、捕捉魚類與探索，晚上經營餐廳」的循環。玩家需要在探索與經營之間取得平衡，一方面提升自己的裝備與能力，另一方面也要努力讓餐廳獲得更好的收益。而完全版最大的價值，就是將過去推出的重要追加內容與聯名內容集中收錄，使玩家不必分別購入各種內容，就能一次體驗戴夫完整而豐富的冒險。

整體而言，《DAVE THE DIVER: Complete Edition》可以視為《潛水員戴夫》的內容完整版。從海底探索、捕魚、餐廳經營，到《漁帆暗湧》、《哥吉拉》、《一番的休日》以及《聖騎士之戰 -奮戰-》等跨作品合作，再加上全新的叢林區域、湖底生態、任務與劇情，內容規模相當龐大。對喜歡探索、模擬經營、冒險以及跨作品聯動的玩家而言，這個完全版提供了一次完整體驗《DAVE THE DIVER》世界的機會。

DAVE THE DIVER: Complete Edition (Japanese: デイヴ・ザ・ダイバー COMPLETE EDITION) is the definitive edition of the acclaimed underwater exploration and restaurant-management adventure game. It combines the core DAVE THE DIVER experience with a variety of major crossover collaborations and additional content, allowing players to experience Dave and his companions' adventures in one complete package.

In addition to the original underwater exploration and sushi restaurant management gameplay, the Complete Edition includes the crossover content from DREDGE. Players can investigate strange mutated fish species and explore a mysterious and unsettling marine ecosystem inspired by the atmospheric horror of DREDGE.

The edition also features a major collaboration with Godzilla. Dave can take to the sea in a submarine and confront enormous monsters, adding a dramatic combat-focused element to the game's traditionally exploration- and fishing-oriented gameplay.

Another major crossover is Ichiban's Holiday, which brings Ichiban Kasuga from the Like a Dragon series into Dave's world. Dave and Ichiban can team up to take on enemies, creating a unique crossover adventure that combines characters and elements from both franchises.

The Complete Edition also includes collaboration content from the popular fighting game GUILTY GEAR -STRIVE-. Players can experience a special rhythm-game feature and obtain exclusive crossover weapons inspired by the fighting-game series.

Beyond the crossover content, Dave and his companions embark on a brand-new adventure that takes them beyond the ocean and into an unexplored jungle region.

This new area features an entirely new lake ecosystem, introducing new creatures, environments, missions, and exploration opportunities. The expansion also adds approximately 10 hours of new story content, significantly extending the overall adventure.

Players can also operate a new restaurant called Bancho BBQ, where they can prepare dishes using ingredients unique to the jungle. Exploration and restaurant management are therefore closely connected, as players must venture into the new environment to discover ingredients and bring them back to the restaurant.

The core gameplay loop remains one of the game's defining features: dive during the day, catch fish and explore the underwater world, then run the restaurant at night. Players must balance exploration, equipment upgrades, resource gathering, and restaurant management while progressing through the story.

One of the biggest advantages of the Complete Edition is that it brings together a wide range of previously released additional and crossover content in one package. Players can experience the game's major collaborations and expansions without having to experience them separately.

Overall, DAVE THE DIVER: Complete Edition represents a comprehensive version of the DAVE THE DIVER experience. From underwater exploration and fishing to restaurant management, jungle exploration, new story content, and crossover adventures with DREDGE, Godzilla, Like a Dragon, and GUILTY GEAR -STRIVE-, the edition offers a substantial amount of content.

For players who enjoy exploration, simulation, adventure, restaurant management, and unexpected crossover collaborations, DAVE THE DIVER: Complete Edition provides an extensive and entertaining way to experience Dave's ever-expanding world.