Down by the Desert
Reach the 2nd world, where there's lots of sand... I hate sand...
Rare19.1%last reported global rate
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.
Slimes Defeated
Defeat enough Slimes to unlock the portal to BABY BOAS!
Rare19.3%last reported global rate
Slumbering Gamer
Claim 2000 hours of AFK Gains. That's like 3 months but not really cuz u have multiple characters.
Rare19.3%last reported global rate
Do What You're Told
Complete 25 Quests on a single character. They're called Quests but they're more like chores tbh
Rare19.4%last reported global rate
Average Player
You're easily in the top 50% of players now!
Uncommon22.6%last reported global rate
Beans Defeated
Defeat enough Beans to unlock the portal to SLIMES!
Uncommon22.8%last reported global rate
Frogs Defeated
Defeat enough Frogs to unlock the portal to BEANS!
Uncommon25.2%last reported global rate
The Sculpture Within
Buy the Sculpting Tools so you can craft the town table
Uncommon26.2%last reported global rate
Mushrooms Defeated
Defeat enough Green Mushrooms to unlock the portal to FROGS!
Uncommon27.1%last reported global rate
Part 2: Learn to Entertain
Complete the Picnic Stowaway's part of the Main Questline
Uncommon27.7%last reported global rate
Small Savings
10,000 copper coins worth, that's enough to buy 1400 nomwiches!
Uncommon27.9%last reported global rate
Sleepy Gamer
Claim 100 hours of AFK Gains. That's like 4 days and a side of fries.
Uncommon30.1%last reported global rate
Rookie Player
You've done better than people who ditch after a few hours!
Uncommon34.8%last reported global rate
Another Me!
Create your 2nd character, who will probably never be as good as your 1st character.
Uncommon35.6%last reported global rate
Classy!
Choose one of the 3 starting classes, since like there are only 3 starting classes and not 4.
Uncommon40.2%last reported global rate
Part 1: Learn to Forge
Complete Glumlee's part of the Main Questline
Uncommon42.3%last reported global rate