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.

141

Super Cereal

Have a stack of exactly 50,000 Sentient Cereal in your Storage Chest.

Very rare

3.00%of Steam players

142

Ten Trips of Gold

Have a stack of exactly 30,000 Gold Ore in your Storage Chest.

Very rare

3.00%of Steam players

143

20 Bundles of Jungle

Have a stack of exactly 20,000 Forest Fibers in your Storage Chest.

Very rare

3.10%of Steam players

144

5-6 Pick up Sticks

Have a stack of exactly 20,000 Sticks in your Storage Chest.

Very rare

3.10%of Steam players

145

Gold School

Have a stack of exactly 1500 Goldfish in your Storage Chest.

Very rare

3.10%of Steam players

146

Platinum 200G

Have a stack of exactly 200,000 Platinum Ore in your Storage Chest.

Very rare

3.10%of Steam players

147

Rat-a-tat-tat

Level up the 'FMJ' Alchemy bubble to Lv. 30

Very rare

3.10%of Steam players

148

Sad Souls

Have a stack of exactly 1,000 Forest Souls in your Storage Chest.

Very rare

3.10%of Steam players

149

Bonsai Bonanza

Harvest a total of 100 Bonsai-type Plants in Gaming.

Very rare

3.20%of Steam players

150

Borrowed Pens

Remember all those pens you lent out in school and never got back? You've got 13 seconds to vent your anger on every penguin mob!

Very rare

3.20%of Steam players

151

Cogs Be Waitin'

Have 16 unclaimed Grey Cogs at once. Jeez, I'm glad anthropomorphic cogs aren't real.

Very rare

3.20%of Steam players

152

Croakin' Froge

Have a stack of exactly 250 Doge -I mean froge- critters in your Storage Chest.

Very rare

3.20%of Steam players

153

Ink Blot

Use 101 silver pens in the Post Office

Very rare

3.20%of Steam players

154

Petless

Trash 1000 pets. How could you be so heartless, so cold...

Very rare

3.20%of Steam players

155

Rattle them Bones

Defeat every Bloodbone in just 12 seconds after entering the map. Wow, wild.

Very rare

3.20%of Steam players

156

Shiny Shells

Have 6 bronze (or rarer) eggs in your nest at the same time, waiting to be hatched!

Very rare

3.20%of Steam players

157

B-o-B to Help

Complete 75 unique quests on a single character. I'm not sure what B-o-B stands for either...

Very rare

3.30%of Steam players

158

Cabbage Patch

Have 5 kitchens all cooking cabbages at the same time. Remember gamers, eat your vegetables, they ain't so bad!

Very rare

3.30%of Steam players

159

Geared for Success

Have 40 Yellow Cogs placed on the board at once. Alright now I see how this is achievement worthy, cogs are kinda neat.

Very rare

3.30%of Steam players

160

Great Plate

Upgrade a meal at the Dinner Menu to the point where it gets a purple plate!

Very rare

3.30%of Steam players