Your sub auto-dives, collects loot, and surfaces to sell. You don't pilot it — you upgrade it.
Tap the boost button (or press Space) for +200% speed and pickup rate. Tap again while active to add +1 second, up to a 10s cap. Cooldown starts after it ends.
Spend cash to upgrade Hull, Thrusters, Cargo, Sonar, and Appraiser. Levels are permanent within a run, but reset on Promotion.
Items collected this dive show in On Deck. Every encounter — bonuses (Chest Frenzy, Mermaid's Kiss, Treasure Map) and the Shark Attack hazard — comes from the Salvage Slot.
The slot in the corner auto-pulls every 15s. Triple matches: 📦 Chest Frenzy (rare/epic chest burst, ≥3 legendary picks each, 10s), 🧜 Mermaid's Kiss (10× value & 10× XP, 15s), 🗺 Treasure Map (legendary picks at 10× value, 15s), 🌟 Jackpot (all three). 🦈 triple = Shark Attack (no loot for 10s).
Bronze/Silver/Gold chests spawn occasionally. Click to add to your tray (next to the cash). Open them whenever — multi-item rolls biased toward higher rarity.
Hit a tier's level threshold to promote (Deckhand → Salvager → …). Promotion banks pearls based on your run's lifetime earnings and resets level/cash/upgrades. Each pearl is +0.5% loot value, forever. Push deeper before promoting to bank more.
Achievements unlock as you play but aren't free — open the Honors panel and click each one to claim its cash reward.
Tracks every unique item you've ever salvaged. Empty slots are still out there.