Steam

IdleOn - The Incremental MMO Achievements

Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.

Total achievements276

Rarest rate0.300%

Ultra rare16

Last checkedSep 17, 2026

Delayed official data

Rates and award counts were last observed on Sep 17, 2026.

101

Summoning IM

Get 25 Career Wins within Summoning

Very rare

2.30%last reported global rate

102

Chippin' Away

Claim 25 chips from the Chip Repository. I was gonna make this 250 chips, but people from the future told me not to.

Very rare

2.40%last reported global rate

103

Ghost Buster

No public description is available.

Very rare

2.40%last reported global rate

104

S-M-R-T

Level up the 'Smarty Boi' Alchemy bubble to Lv. 50

Very rare

2.40%last reported global rate

105

True Naval Captain

Buy all 20 Boats in Sailing. Uh, yea, there is a scroll bar below the boats, you can buy more than 5 boats

Very rare

2.40%last reported global rate

106

Untying Extraordinaire

Untie 6 other Ninja Twins.

Very rare

2.40%last reported global rate

107

Best Bloomie

Get a Bloomy Summoning Familiar.

Very rare

2.50%last reported global rate

108

Channel Surfing

Have a stack of exactly 75,000 TV remotes in your Storage Chest.

Very rare

2.50%last reported global rate

109

Checkout Takeout

Checkout a total of 1000 talent books from the Talent Book Library.

Very rare

2.50%last reported global rate

110

I Constructed!

Upgrade buildings in construction a total of 900 times.

Very rare

2.50%last reported global rate

111

Long Live Bagur

Unlock the 10th and final Divinity God.

Very rare

2.50%last reported global rate

112

Top Cogs

78 Cogs. All purple cogs. Did I say cogs are great? I think cogs are great. Cog cog cog!

Very rare

2.50%last reported global rate

113

Wode Together

Defeat 250 Wode Boards with at least 1 other party member

Very rare

2.50%last reported global rate

114