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Megabonk Achievements

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

Total achievements139
Rarest rate0.900%
Ultra rare2
Last checkedOct 17, 2026
Delayed official data

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

41
Demonic Blood

Increase Max HP with Blood Magic 400 times

Rare
19.3%last reported global rate
42
Mines

Kill 7 500 enemies using Rockets

Rare
19.8%last reported global rate
43
Dragon's Breath

Kill 1 000 Wisps as Fox on Desert

Uncommon
20.6%last reported global rate
44
Joe's Dagger

Kill 10 000 enemies using the Dexecutioner

Uncommon
20.6%last reported global rate
45
Bloody Cleaver

Reach Level 50 as Vlad

Uncommon
21.1%last reported global rate
46
Space Noodle

Complete Desert Tier 2 as Tony McZoom

Uncommon
21.9%last reported global rate
47
Holy Book

Kill a first Stage Boss without taking any damage that run

Uncommon
22.1%last reported global rate
48
Spaceman

Complete 6 challenges

Uncommon
22.2%last reported global rate
49
Graveyard

As Calcium on Desert Tier 2, summon and defeat the undead boss

Uncommon
22.8%last reported global rate
50
Cursed Gloves

Get the Cursed Tome to level 10

Uncommon
22.9%last reported global rate
51
Dicehead

Complete 100 quests

Uncommon
23.1%last reported global rate
52
Energy Core

Defeat the Final Boss 2 times

Uncommon
23.3%last reported global rate
53
Gamer Goggles

Defeat a Stage Boss with less than 10% HP left

Uncommon
23.3%last reported global rate
54
Green Frog

Find the frogs on Forest Stage 1

Uncommon
23.4%last reported global rate
55
Challenges1

Complete 5 Challenges

Uncommon
23.7%last reported global rate
56
Soul Harvester

Survive the Final Swarm for 6 minutes

Uncommon
23.9%last reported global rate
57
Gas Mask

Kill 5 000 enemies using amog

Uncommon
24.6%last reported global rate
58
Cannon

Kill 5 000 enemies using Rockets

Uncommon
25.3%last reported global rate
59
Noelle

Use a Microwave to duplicate Ice Crystal 3 times in a row

Uncommon
29.4%last reported global rate
60
Shotgun

5% chance to find upon breaking a Tumbleweed on Desert Stage 2

Uncommon
29.6%last reported global rate