Steam

IdleOn - The Incremental MMO Achievements

Current global Steam unlock rates, ordered from rarest to most common.

Total achievements276

Rarest rate0.300%

Ultra rare16

Last checkedSep 17, 2026

Current official data

Rarity labels are derived from the exact global percentage shown on each row.

Monocle No More

Defeat 160 Sand Giants within 10 minutes of entering the map. Auto must be off.

Very rare

1.70%of Steam players

Smirky Souls

Have a stack of exactly 250,000 Rooted Souls in your Storage Chest.

Very rare

1.70%of Steam players

Smokin' Stars

Complete all constellations in the Smolderin' Plateau. You can check your progress within the Telescope.

Very rare

1.70%of Steam players

This, is, Summoning!

Survive for 5 minutes in The King's Gambit. Find this feature in Cavern 14 of the Hole in world 5.

Very rare

1.70%of Steam players

Fruit Salad

Have a stack of exactly 1,000,000 Fruit Flies in your Storage Chest.

Very rare

1.80%of Steam players

Legendary Wormhole

On your Elemental Sorcerer, get a Wormhole Score of 83 or more on Niagrilled Falls. This is the number above your Wormhole!

Very rare

1.80%of Steam players

Sqeakin' Mousey

Have a stack of exactly 60,000 Mouseys in your Storage Chest. Imagine the noise in that chest of yours... or even the smell, ugh.

Very rare

1.80%of Steam players

Stars Among Stars

Complete all constellations in the Hyperion Nebula. Thats what world 4 is called btw.

Very rare

1.80%of Steam players

W6 is Donezo

Get a Lava Skull or higher on every Spirited Valley monster in the Deathnote.

Very rare

1.80%of Steam players

Bottle Capital

Have a stack of exactly 800,000 Bottle Caps in your Storage Chest.

Very rare

1.90%of Steam players

Decked Out in Gold

Equip Golden Helmet, Chestplate, Pants, Shoes, two Golden tools, and the Defenders Dignity ring.

Very rare

1.90%of Steam players

Good Times Roll

Beat wave 50 in Glublin Gorefest using ONLY Boulder Roller wizards. No freeze, no confetti, just boulder.

Very rare

1.90%of Steam players

Regalis My Beloved

Get a Regalis Summoning Familiar.

Very rare

1.90%of Steam players

Science Graduate

Find 70 unique crops, as shown by the Crop Scientist!

Very rare

1.90%of Steam players

Spike Minigame Master

If u love me let me go... erm, I mean get a score of 13 in the Spike Minigame

Very rare

1.90%of Steam players

Steppin' on the Rats

Defeat 500 Rats with at least 1 other party member

Very rare

1.90%of Steam players

Straw Hat Stacking

No public description is available.

Very rare

1.90%of Steam players

Tomb Completionist

Defeat Snakenhotep on his 3rd Difficulty.

Very rare

1.90%of Steam players

Utter DISRESPECT

No public description is available.

Very rare

1.90%of Steam players

Nuget Nightmare

Kill Crabbycakes manually, without Auto on, until one drops a Nuget Cake. Good luck...

Very rare

2.00%of Steam players