Mintrocket has officially revealed the final major downloadable content pack for Dave the Diver: A free crossover with Subnautica 2, developed in collaboration with Unknown Worlds Entertainment. Scheduled for early 2027, the expansion will send Dave and Bancho interdimensionally to the alien ocean moon of Proteus. This marks the closing chapter of post-launch support for one of the most distinctive indie successes of recent years.

Game Information
Before examining the details of the crossover, here is a clear summary of what has been officially confirmed.
| Category | Details |
| Developer |
Mintrocket (in collaboration with Unknown Worlds)
|
| Publisher | Mintrocket |
| Platforms |
PC, PlayStation, Xbox, Nintendo Switch (incl. Switch 2)
|
| Expansion Type | Free Final DLC |
| Release Window | Early 2027 |
| Key Location |
Proteus (Subnautica 2’s ocean moon)
|
| Price |
Free for owners of the base game
|
A Meaningful Final Expansion
According to Mintrocket Studio Director Jaeho Hwang, the team wanted the last major DLC to feel especially meaningful. A collaboration with the Subnautica series had been one of the most requested ideas from players for a long time.
Subnautica 2 Creative Director Anthony Gallegos described the project as a mutual “love letter” between the two games, noting that both studios share a clear appreciation for each other’s work.
This positions the expansion as more than a simple content drop. It serves as a deliberate closing chapter for Dave the Diver’s post-launch support while introducing players to elements of Subnautica 2’s world.

What the Subnautica 2 Content Pack Includes
The free expansion will see Dave and Bancho travel interdimensionally to Proteus, the ocean moon featured in Subnautica 2. Official details confirm the following:
- Exploration of unfamiliar waters filled with new creatures and valuable resources
- Unlockable exotic recipes using ingredients found on Proteus
- Opportunities to assist new characters
- Periodic encounters with the Leviathan, described as Subnautica 2’s signature creature
The core gameplay loop of Dave the Diver – diving during the day and managing the sushi restaurant at night – is expected to remain intact, now applied to an alien underwater environment.
Exact details on new equipment, the full list of creatures, and the scope of the narrative content have not yet been fully revealed.
Why This Collaboration Makes Sense
Both games center on underwater exploration, yet they approach the theme from different angles. Dave the Diver blends light survival, fishing, and restaurant management with a charming, accessible tone. Subnautica 2 leans into atmospheric survival, alien ecosystems, and a stronger sense of isolation and discovery.
By transporting Dave into Proteus, Mintrocket can introduce unfamiliar marine life, environmental hazards, and a heightened sense of wonder while preserving the game’s established structure and humor.
For Subnautica 2 fans, the crossover offers a lighter, more playful way to encounter some of that game’s creatures and setting without the full survival pressure of the original experience. The partnership also reflects mutual respect between two studios that have each built strong identities around underwater worlds.

Release Details and Availability
The Subnautica 2 Content Pack is scheduled for release in early 2027 and will be completely free for players who own the base game. It is already available on the wishlist on Steam and other supported platforms.
Mintrocket has confirmed this will be the final major DLC for Dave the Diver. The studio has not ruled out smaller updates or future collaborations, but this expansion is intended to serve as the definitive closing content drop.
Early Outlook
The announcement represents a fitting conclusion to major support for one of the most distinctive indie hits of the past few years. Choosing a free, high-profile crossover with Subnautica 2 demonstrates both ambition and genuine respect for the community that has followed Dave across multiple content updates.
While full gameplay details remain limited, the confirmed elements – a new alien ocean setting, exotic recipes, new characters, and Leviathan encounters – suggest a memorable and thematically appropriate final adventure for Dave and Bancho. The collaboration successfully bridges two different approaches to underwater storytelling and gameplay, offering something fresh for existing fans while remaining true to the spirit of both titles.
What stands out
- Final major DLC is completely free
- Genuine collaboration with the Subnautica 2 development team
- New primary location (Proteus) and signature creature encounters
- Core day-diving / night-restaurant structure remains intact
- Positions the expansion as a meaningful closing chapter
Still unknown
- Exact release date within early 2027
- Full list of new creatures, resources, and recipes
- Scope of new story content and characters
- Any changes to equipment or diving mechanics
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