The Harpoon Gun is a player weapon that can be fired underwater at ranged. Capable of dealing damage and capturing fish, it is the primary piece of equipment that Dave uses to catch fish in the Blue Hole.
Upgrades[]
Permanent upgrades for the Harpoon Gun are available via the iDiver app on Dave's phone.
| Level | Icon | Name | Damage | Range | Magazine | Upgrade cost | Description |
|---|---|---|---|---|---|---|---|
| 1 |  |
Old Harpoon Gun | 3 | 8 | ∞ | Free | "A Harpoon Gun from Cobra. It's very old, but has been maintained well and looks fit for use." |
| 2 |  |
Steel Harpoon Gun | 10 (+7) | 8 | ∞ | 300 | "A Harpoon Gun made of steel. It's a bit heavy, but more durable and powerful." |
| 3 |  |
Pump Harpoon Gun | 17 (+7) | 8 | ∞ | 700 | "A Harpoon Gun equipped with an air pump. The air pressure increases destructive power immensely." |
| 4 |   |
Shark Harpoon Gun | 24 (+7) | 8 | ∞ | 1,500 | "A harpoon with the power of a shark. It brings in fish with great force." |
| 5 |   |
Dragonbite Harpoon Gun | 32 (+8) | 8 | ∞ | 4,500 | "A harpoon infused with the mysterious powers of the Sea People." |
| 6 |   |
Super Alloy Harpoon Gun | 40(+8) | 8 | ∞ | 9,700 | "A harpoon that retains strength and resistance to corrosion even at an extremely low or high temperature. It increases the effectiveness of a Harpoon Gun to the limit." |
Harpoon Tips[]
See also: Harpoon Tip
Harpoon tips can only be equipped from Weapon Crates scattered throughout the Blue Hole.