Saturation Diving Best-in-Slot Gear Tier List

This tier list is maintained by the Saturation Diving community council and updated within 24 hours of every patch. We rank every piece of gear across S through C tier based on raw performance at high pressure, synergy with the current Captain / Engineer / Spotter / Salvager meta, and credit-efficiency.

How to read this list. S-tier picks are best-in-slot at their role. A-tier picks are excellent and sometimes replace S-tier for specific roles. B-tier picks are solid budget options. C-tier picks are outclassed — only use them in the first hour of a fresh save.

Drills

Tier	Drill	Why
S	Hydraulic Core-Bit	Best raw ore-per-second, plus a hidden pressure-bonus on pipes in Black Mound.
S	Cordless Hammer-Drill	The only viable drill on low-oxygen Salvager builds. Less ore-per-second but no air penalty.
A	Twin-Core Hammer	Strong mid-game bridge. Cheap to tier up, falls off after level 40.
B	Pneumatic Pickaxe	Decent starter. Outclassed once you can afford the Hammer-Drill.
C	Manual Crank Drill	Tutorial-only. Do not invest credits past level 5.

Hazmat Suits

Tier	Suit	Why
S	Triton Mark VII	The only suit with built-in pressure-cap of 4.2 atmospheres. Required for Black Mound.
A	Reefwalker IV	Best mid-tier suit. +18% air efficiency, only falls behind Triton on Hadal zones.
A	Abyssal Plate	New from August patch. Strong armor, weaker air efficiency than Reefwalker.
B	Salvaged Wetsuit	Free starter. Replace by level 15.
C	Patched Dive Skin	Tutorial cosmetic. Do not use past Twilight reef.

Oxygen Tanks

Tier	Tank	Why
S	Cryo Helix Tank	Doubles effective oxygen time. The single biggest upgrade any Captain build can take.
A	Twin Reserve	Two small tanks in one slot. Loses to Cryo Helix on raw time, but better for solo Salvagers.
B	Standard Tank	Serviceable, no perks. Skip if you can afford Twin Reserve.
C	Sample Tank	Free, 60-second capacity. Tutorial only.

Lights

Tier	Light	Why
S	Photon Flood Array	Wide cone, battery-free recharge. The Captain/Spotter default.
A	Dual Beam Helmet	Tight cone, twice the throw. Best for Spotter sniping.
A	Salvaged Glowstick	Cheap, infinite battery, low output. The under-budget pick for early Salvagers.
C	Hand Flashlight	Tutorial. Replace immediately.

Sonar Tracks

Tier	Sonar	Why
S	Pulse Array Mk III	Reveals ore through three walls, best entity ping radius. Captain default.
A	Echo Tracker	Spotter-only, level 30 unlock. Best detection cone, no ore reveal.
A	Pulse Array Mk II	Cheaper Mk II, two walls of ore reveal. Good Captain budget.
B	Pulse Array Mk I	One wall. Only viable for the first five levels.

Perk Tracks

Tier	Track	Why
S	Pressure Stability	Reduces incoming pressure damage by 40% at max. Mandatory for Hadal zones.
S	Salvage Multiplier	Salvager-only, doubles rare loot. The whole reason to play Salvager.
A	Drill Efficiency	+25% ore-per-second. Mandatory for any Engineer build.
A	Detection Radius	+35% sonar cone. Mandatory for Spotter.
B	Recharge Speed	Decent for Captain. Skippable on Salvager.
B	Quick-Swap	Salvager-only niche. Mandatory only for Black Mound speedrun routes.
C	Crank Bonus	Removed in the July 2026 rework. Legacy mention only.

Role-by-Role Best Loadout

• Captain: Cryo Helix Tank + Photon Flood Array + Pulse Array Mk III → Pressure Stability skill tree.
• Engineer: Hydraulic Core-Bit + Reefwalker IV + Dual Beam Helmet → Drill Efficiency skill tree.
• Spotter: Dual Beam Helmet + Pulse Array Mk III + Echo Tracker (level 30) → Detection Radius skill tree.
• Salvager: Triton Mark VII + Twin Reserve + Salvaged Glowstick → Pressure Resistance + Salvage Multiplier.

For the underlying skill tree math, jump to the Upgrades Guide. For which codes fund these upgrades, see the Codes page.