Does Underwater Labs have radiation?

No, Underwater Labs has no radiation. You can enter without a hazmat suit.

Does Underwater Labs have a keycard puzzle?

Yes, Underwater Labs has a keycard puzzle. You need: Submarine, Keycards, Diving equipment.

Procedurally generated underwater labs accessible by submarine. Contains loot rooms and puzzles.

Tier 2 — Blue Keycard none radiation Has Puzzle Scientists

Tier 2

Difficulty

Crate Types

✅

Keycard

✅

Scientists

Card puzzles give elite and military crates. Lab rooms have tech and medical loot.

Elite CrateMilitary CrateBasic CrateTech Crate

Large industrial monument with a blue card puzzle. Multiple military and elite crate spawns....

Large monument with blue card puzzle and multiple loot spawns. Good for mid-game progression....

Large train depot with blue card puzzle. Multiple levels of loot....

Large geodesic dome with military crates on top. No puzzle but requires parkour to climb....

Does Underwater Labs have radiation?: No, Underwater Labs has no radiation. You can enter without a hazmat suit.
Does Underwater Labs have a keycard puzzle?: Yes, Underwater Labs has a keycard puzzle. You need: Submarine, Keycards, Diving equipment.
What loot can you find at Underwater Labs?: Card puzzles give elite and military crates. Lab rooms have tech and medical loot.