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.

Yellow Belt

Find a +50 Yellow Belt Sneaking Charm. Yes, exactly +50.

Very rare

1.00%of Steam players

Knock on Wood

Beat wave 50 of Acorn Assault with just 4 towers active. Place down a 5th tower at any time, and it wont count!

Very rare

1.10%of Steam players

Leet Lanterns

No public description is available.

Very rare

1.10%of Steam players

Minecart Master

Get a score of 103+ in the Mining Minigame, beating the Developer's score!

Very rare

1.10%of Steam players

Two-Time Savior

Equip the Blunder Hero Trophy, while also having another in your inventory.

Very rare

1.10%of Steam players

Just Passing By

Pass 30 rooms in Snakenhotep's Dungeon by doing the thingy the room says to do.

Very rare

1.20%of Steam players

Legendary Flag

On your Siege Breaker, get a Flag Score of 150 or more on Erruption River. This is the number above your Flag!

Very rare

1.20%of Steam players

That's MY Crown

Have a stack of exactly 100,000,000 Royal Headpiece in your Storage Chest.

Very rare

1.20%of Steam players

WAAAAAAAHH!

No public description is available.

Very rare

1.20%of Steam players

Wurm Wumbo

Have a stack of exactly 100,000,000 Mongo Worm Slices in your Storage Chest.

Very rare

1.20%of Steam players

Cob Enjoyer

Have 1,000,000 or more Corn crops in your Depot at once. Mmmm, Corn!

Very rare

1.30%of Steam players

Sepia Vision

Have a stack of exactly 500 Black Lenses in your Storage Chest. Better complete this before I make it 1,000!

Very rare

1.30%of Steam players

Spectre Stars

Complete all constellations in the Spirited Valley. You can check your progress within the Telescope.

Very rare

1.30%of Steam players

The True Emperor

Reach a total of 1 million Wormhole Kills.

Very rare

1.30%of Steam players

Beanstacker Prodigy

Add 14 different golden foods to The Beanstalk.

Very rare

1.40%of Steam players

Choppin' to the Beat

Get a score of 141+ in the Choppin' Minigame, beating the Developer's score!

Very rare

1.40%of Steam players

Crop Flooding

No public description is available.

Very rare

1.40%of Steam players

Effervess Enthusiess

Have a stack of exactly 5,000,000 Effervescent Logs in your Storage Chest.

Very rare

1.40%of Steam players

Unreal Overgrowth

Get an overgrowth of 8,192x on a single crop.

Very rare

1.40%of Steam players

Big Big Hampter

No public description is available.

Very rare

1.50%of Steam players