To get Fully equipped in How to Fish, apply one attachment in each of a weapon’s four slots — extended mag, laser sight, an optic, and a muzzle — and the assault rifle is the weapon to do it on, since you will want it fully kitted for the final boss anyway.
How to Fish is the physics-based fishing game from Dazed Games on Steam, and under the fishing it is also a shooter where you buy guns and bolt attachments onto them. Fully equipped is one of its 28 achievements, and it trips people up because the name sounds bigger than the task. You do not need to hunt down every attachment in the game — you just need one weapon with every slot occupied at the same time.
What the Fully equipped achievement asks for
Key The requirement is simple once you strip the wording back: take a single weapon and fill all of its attachment slots. That is the whole condition. It has nothing to do with collecting one of each attachment variant that exists across the shops, and it does not care which weapon you pick or how far into the game you are. The moment one gun is carrying an attachment in every slot, the achievement fires.
The four attachment slots and what fits each
| Slot | Attachment choice |
|---|---|
| Extended magazine | Extended mag |
| Laser sight | Laser sight |
| Optic | Red dot or sniper scope |
| Muzzle | Compensator or suppressor |
Every weapon has four slots total. Two of them take a fixed part — the extended mag and the laser sight — and the other two are either-or. The optic slot is filled by a red dot or a sniper scope, and the muzzle slot takes a compensator or a suppressor. You only need one of each pair, so there is no reason to buy both a red dot and a sniper scope, or both muzzle options, for the same gun.
Best weapon and when to build it
Do this on the assault rifle. The final boss — the lava whale on the volcano island — is the one genuinely hard fight in the game, and it wants a maxed AR with every attachment on it, so the exact setup that earns Fully equipped is the setup you were going to build anyway. Completing the achievement on any other weapon just means kitting a gun you will retire, which is wasted money.
Build Fully equipped on the assault rifle you are taking into the final fight — the same fully kitted AR that pops the achievement is exactly what the lava whale demands, so you never pay for it twice.
Filling all four slots on one weapon
Bring the weapon
Buy or equip the assault rifle you want to complete the achievement on.
Add the extended mag
Fit the extended magazine into its slot.
Fit the laser sight
Slot the laser sight.
Choose an optic
Add either the red dot or the sniper scope — you only need one.
Add a muzzle attachment
Fit either the compensator or the suppressor — again, just one.
Confirm all four are filled
With every slot occupied at once, Fully equipped unlocks.
Late-game cash and boss prep that reuse this build
The volcano island is where money stops being a bottleneck. The fish there are worth far more, and once you have grill or lava access you can lava-cook everything before selling — the flame pushes an item’s value up to a 1.5x multiplier, and lava hits that number cleanly with no timing risk. Cook your catch, sell the pile, and the assault rifle plus its attachments pays for itself quickly.
That same maxed AR is what carries the ending. The lava whale rolls, stomps, and rains lava meteorites, and phase two only gets more aggressive, so you go in with the fully kitted rifle and as many lava-cooked fish as you can carry to heal. Building Fully equipped is really just the first step of prepping for that fight.
Related How to Fish guides
Frequently Asked Questions
Can you get Fully equipped before the final island?
Yes, in principle. The achievement only checks that one weapon has all four slots filled, so as soon as you can put an extended mag, a laser sight, a red dot, and a compensator on the same gun, it can pop — which is doable around island 3. Island 4 later adds the sniper scope and suppressor to the pool, but since you only ever fill one optic and one muzzle, those extras do not change what you need. The reason most players wait is money, not availability: cash flows much faster on the volcano island.
Do you need every attachment variant, or just every slot filled?
Just every slot filled, on one weapon. The game counts a slot as done the instant any valid attachment sits in it, so a rifle running mag, laser, red dot, and compensator is complete even though the sniper scope and suppressor also exist. Buying the second optic or the second muzzle for the same gun adds nothing toward the achievement — it is per slot, not per attachment.
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