Subnautica 2 Patch Notes & Changelog

Hotfix 2

The largest post-launch update to date, addressing critical bugs, creature AI, resource balancing, and EULA revisions.

• Silver Resource Buff — Added more Silver resource areas in early game zones (Safe Shallows, Twisty Bridges)
• Troilite Resource Buff — Added more Troilite nodes in Root Canyon / Metal Farm region
• Hammerhead AI Nerf — Hammerheads no longer overly attracted to Tadpole lights; they won't follow players back to base
• Teleport Bug Fix — Fixed issue where players could be teleported back to base while exploring in a Tadpole
• Infinite Oxygen Fix — Fixed infinite oxygen exploit after dying of hunger/thirst while piloting a Tadpole
• Multiplayer Disconnect Crash Fix — Resolved crash when losing connection from multiplayer sessions
• Late-Game Crash Fix — Fixed random crashes in Root Canyon / Metal Farm area
• Epic Graphics Performance — Improved frame consistency and reduced stuttering on Epic settings
• Telemetry Opt-In Callout — Added in-game notice that telemetry can be turned off (English only)
• EULA / ToS Revision — Removed reputation clause and fan-video disclaimer requirement
• Terms of Service Updates — Revised Preamble, Limited License, Gameplay Videos, Prohibited Uses, Ownership, Player-Submitted Content, Limitation of Liability, Transfer of Terms and Conditions
• Privacy Policy Updates — Revised Privacy Notice, What Information Do We Collect, How We Share Your Information, Security of Your Information

Community Impact: The Hammerhead nerf made Purple Vents significantly safer to traverse. Silver bottleneck resolved for early crafting.

Hotfix 1

First post-launch patch addressing critical stability issues.

• AMD/DirectX 12 Crash Fix — Resolved startup crash affecting AMD GPUs and DirectX 12 systems
• Ping Feature Crash Fix — Fixed infrequent crash when using Ping system, especially in co-op
• Analytics Opt-In — Telemetry data collection now optional after accepting Terms of Service
• Reduced Backend Data — Optimized network traffic for multiplayer sessions

Community Impact: The EULA controversy began with this patch, leading to community discussions about mod ownership and VPN usage clauses.

Early Access Launch (EA 1.0)

Subnautica 2 officially launched in Early Access, selling 2 million copies in the first 12 hours with 651,000 concurrent players.

• Complete Chapter 1 storyline (14-20 hours)
• 5 major biomes: Safe Shallows, Twisty Bridges, Purple Vents, Deep Spires, Crystal Caves
• BioMod gene modification system
• Tadpole submersible with upgrades
• 2-4 player co-op multiplayer
• Sculpting-based base building system

Update 1.1 — Quality of Life

First major content update focused on quality of life improvements.

• Sprint Ability — Players can now sprint
• More Passive BioMod Slots — Additional passive slots beyond the initial limit
• Storage Cache — New deployable storage for offloading supplies
• BioMod Balancing — Adjustments to active vs. passive slot balance
• Blight Encounter Improvements — Less tedious navigation through infected zones
• Wreck Gameplay Optimization — Better navigation and loot distribution
• Vehicle Docking Fixes — Improved Tadpole Dock placement
• PDA Databank Expansion — Additional lore entries
• Voicelogs Priority System — Important story logs play first

Update 1.2 — Co-op Centric

Multiplayer-focused update with social features.

• Proximity Voice Chat — Talk to teammates based on in-game distance
• Player Emotes — Animated waves, gestures, and communication signals
• Player Trading — Trade items directly with teammates
• Player Revive — Revive downed teammates during co-op sessions
• Additional Avatar Customizations — More character appearance options
• HUD Signal Improvements — Better multiplayer coordination tools
• Pinned Recipe System — Color-coded to show missing materials
• Base Builder Tool Improvements — Enhancements for co-op building

Major Future Expansions

Planned content for the remainder of Early Access.

• New Region — Expanding the world map beyond current biomes
• New Biomes, Creatures, and Leviathans — Additional ecosystem content
• New Resources and Tools — More crafting options and progression
• New Vehicle — A second vehicle type beyond the Tadpole
• Next Chapter of the Story — Continuing the narrative beyond Chapter 1

Note: Unknown Worlds has committed to a 2-3 year Early Access window before full 1.0 release. The current price is $29.99 and will increase at full launch.