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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.

41

Big Time Land Owner

Get 27 plots of land in your farm.

Very rare

1.50%last reported global rate

42

Doctor Repellant

Have 10,000 or more Apple crops in your Depot at once. You can lock the first crop before it grows to guarantee an apple!

Very rare

1.50%last reported global rate

43

Kingpin Defeated

Defeat Glaciaxus on its 3rd difficulty

Very rare

1.50%last reported global rate

44

Scorin' the Ladies

Have a stack of exactly 250,000 Ladybugs in your Storage Chest.

Very rare

1.50%last reported global rate

45

Soda Poisoning

Beat wave 50 of Clash of Cans with 3 Poisonic Elders at Lv 5 or higher. Also, you can't sell towers.

Very rare

1.50%last reported global rate

46

There Can Be Only One

Beat wave 50 of Wakawaka War without using more than 1 of any specific tower type. So just 1 boulder, 1 freeze, etc...

Very rare

1.50%last reported global rate

47

Your Skin, My Skin

Wear the Efaunt helmet, Ribcage, Hipillium, and Ankles. Also have 1 Efaunt Obol equipped.

Very rare

1.50%last reported global rate

48

Major Overgrowth

Get an overgrowth of 1,024x on a single crop.

Very rare

1.60%last reported global rate

49

Maroon Warship

Upgrade a boat to Lv 300 in Sailing. This is the pinnacle of naval prowess, it doesn't get fancier than this!

Very rare

1.60%last reported global rate

50

Minecart Maniac

Slam on a yellow ore vein in the Mining Minigame, which gives 3 points!

Very rare

1.60%last reported global rate

51

Science Post Doc

Find 110 unique crops, as shown by the Crop Scientist!

Very rare

1.60%last reported global rate

52

The Goose is Loose

Have a HONK of exactly 1,000,000 Honkers in your HONK Chest. HONKHONKHONK HOOOONK!!!

Very rare

1.60%last reported global rate

53

Too Many Tentacles

Have a stack of exactly 10,000,000 Wriggly Balls in your Storage Chest. Green Stack bro!

Very rare

1.60%last reported global rate

54

Vitamin D-licious

Have a stack of exactly 5,000,000 Orange Slices in your Storage Chest.

Very rare

1.60%last reported global rate

55

Wassup Yo!

Say 'Hi' to 100 unique people without closing the game or changing Servers.

Very rare

1.60%last reported global rate

56

Guild Top Dawg

Contribute 20000 GP to your guild, which means your probably the best bow-wow in your guild!

Very rare

1.70%last reported global rate

57

Heyo!

Say 'Hi' to 250 different people without closing the game.

Very rare

1.70%last reported global rate

58

Lavathian Skulls

Get a Lava Skull or higher on every Smolderin' Plateau monster in the Deathnote. Yea, the 100M Kill Skull. This is gonna take a while.

Very rare

1.70%last reported global rate

59

Legendary Orb

On your Divine Knight, get an Orb Score of 400 or more on OJ Bay. This is the number above your Orb!

Very rare

1.70%last reported global rate

60

Maple Logger

Have a stack of exactly 200,000 Maple Logs in your Storage Chest.

Very rare

1.70%last reported global rate