OSRS Trouble Brewing Guide For Achievement Diary

Do you want to leave your account AFK while collecting some points in a minigame where you can use the points you earn for cosmetics that aren't very popular in Oldschool Runescape? This guide is for you. Trouble brewing is a minigame where two teams compete to see who makes the best brews. Besides completing one of these minigames, being a Medium Diary, you can also earn points while playing AFK. This guide'll teach you the requirements, how to enter, what to bring, and everything else. Let's get to it! 

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Requirements

•   Quest: Cabin Fever (required).

•   Inventory: Nothing.
•   Skill: 40 Cooking.
•   Gear: Nothing.
•   Achievement Diary Task: Play at least one full game.
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How to Get There

The easiest way to reach Trouble Brewing is with the Grouping tab:

1. Open your chat channel tabs → click the Grouping icon.
2. Search for Trouble Brewing and click Teleport.
3. The official world is World 304.

Alternatively, you can travel manually to Mos Le’Harmless after completing Cabin Fever.

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How Trouble Brewing works

Talk to Jimmy outside the waiting area. Right-click him → Join Team.

Note: Your head slot must be empty, or you can’t join.

Inside the waiting room, there’s a bank chest and a deposit box. Use these to prepare.

Wait for the game to start. A message box will pop up. Click Yes (Arr!) immediately to enter.

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AFK Method

If you just want the Karamja Diary requirement done, you don’t need to actively play the minigame. Here’s the simplest method:

Grab buckets from the workbench (25–28 at a time).

With RuneLite, shift-right-click the bucket to make “Take 5” the left-click option and go west to the water pump and fill all your buckets.

Go east → upstairs → west to the hopper.

Use your buckets on the hopper to deposit water.

The hopper can store up to 100 buckets per player.

With RuneLite, enable the Trouble Brewing plugin to track progress.

Use Entity Hider RuneLite plugin to avoid trolls blocking the hopper clicks.

Once you’ve filled 100 buckets, you can safely AFK for the rest of the game.

Each game lasts 20 minutes. Filling the hopper takes about 3–5 minutes, then you can tab out until it ends. AFKing one full game gives you ~200 Pieces of Eight.

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Rewards

At the end of a game, you’ll receive a certain amount of Pieces of Eight, Trouble Brewing’s reward currency which you can spend on the Honest Jimmy’s shop:

• Trade them with Jimmy for:
  •   Pirate-themed cosmetics.
  •   The Naval Outfit (useful for Collection Log hunters).

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Tips & Notes

• The game is team-based, but if you’re only here for the diary, just do the water bucket method and AFK.
• For RuneLite users:
  • Trouble Brewing plugin → tracks hopper progress.
  • Entity Hider plugin → hides trolls blocking the hopper.
• If you want extra Pieces of Eight, teammates can brew rum to boost everyone’s rewards, but it isn’t necessary for the diary.
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Conclusion

Trouble Brewing isn't a very popular minigame, but it's actually one of the easiest, if not the easiest. Aside from completing a diary, you earn a few points to collect for something in the shop. In the end, there are 3 steps and only 2 if you have already completed the cabin fever quest.

1. Do Cabin Fever.
2. Grab buckets → fill hopper → AFK.
3. Wait 20 minutes → enjoy Pieces of Eight.
4. Congratulations, you've finished the minigame, all that's left is to repeat the process over and over again.