Back to IdleOn - The Incremental MMO
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.

181
Big Frog Big Mad

Defeat Grandfrogger on his 4th Difficulty, and avoid becoming one with the soup...

Very rare
4.00%last reported global rate
182
Entangled Compounds

Rank up the Spontaneous Combustion refinery chamber to Rank 3.

Very rare
4.00%last reported global rate
183
Equinox Visitor

Find the Equinox Mirror drop from Bloodbones, a 1 in 1000 drop, and use it to visit the Equinox Valley.

Very rare
4.00%last reported global rate
184
Hitting the Mark

Chop 15 yellow sections in a row during the Choppin' Minigame.

Very rare
4.00%last reported global rate
185
Skill Maestro

No public description is available.

Very rare
4.00%last reported global rate
186
Bobjoepicklejar

No public description is available.

Very rare
4.10%last reported global rate
187
Dungeon Slap

Deal 1000 or more damage in a single hit within any Dungeon.

Very rare
4.10%last reported global rate
188
Hibernating Gamer

Claim 111,000 hours of AFK gains. Jeez, ok that's like an entire year, even with all your character idling to the max lol

Very rare
4.10%last reported global rate
189
Soulslike

Have 4 Prayers in your Prayer Rock thingy. You get Prayers by placing these wizard dudes into towers and stuff and kickin' butt!

Very rare
4.10%last reported global rate
190
Cool Score!

Get a Score of 2,500,000 or more in the Chillsnap Colosseum

Very rare
4.20%last reported global rate
191
Guild Higher-Up

Contribute 3000 GP to your guild, putting yourself above fellow members who only have the 500 GP achievement!

Very rare
4.20%last reported global rate
192
Nice Fur Suit

Equip all 4 pieces of Amarok armor.

Very rare
4.20%last reported global rate
193
Simpin' for NPC's

Complete 150 Quests on a single character. The name speaks for itself.

Very rare
4.20%last reported global rate
194
Cavernous Nook

No public description is available.

Very rare
4.30%last reported global rate
195
Lv.5 Nothing..?

No public description is available.

Very rare
4.30%last reported global rate
196
Too Cute To Live

You're gonna kill all them lil' poofs? You monster... well, at least make it quick, like 20s or less after entering the map.

Very rare
4.30%last reported global rate
197
Cog in the System

Have 20 Grey Cogs placed on the board at once. Not sure why this is an achievement, cogs are boring.

Very rare
4.40%last reported global rate
198
Hammer Bub

Level up the 'Hammer Hammer' Alchemy bubble to Lv. 10

Very rare
4.40%last reported global rate
199
I Create...

Upgrade buildings in construction a total of 50 times. Any buildings, utilities, wizards, shrines, they all count!

Very rare
4.40%last reported global rate
200
5 'hunned Copper

Have a stack of exactly 500 Copper Ore in your Storage Chest.

Very rare
4.60%last reported global rate