Megabonk achievements

139 achievements on Steam

Rarest first. Published rarity by platform.

Each platform measures its own player population.Why that matters

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison. Percentages are shown exactly as each platform publishes them — Pyroblast does not recalculate them or mix player populations together.

Played it? See which of these you've earned

CrownSteam only
Get a gold star on every character (Rank 100)
Steam0.6%
Head PotSteam only
As Roberto, obtain 4x Pot (stainless steel) in a single run
Steam0.7%
Cheesy HatSteam only
As Amog, defeat a Tier 3 final boss with 8 Moldy Cheese and 1 Snek in your inventory
Steam0.7%
Pilot HelmSteam only
As Birdo, kill 1000 enemies using Mines while flying in the air
Steam0.9%
ClownSteam only
As Athena, kill 500 enemies using Quin's Mask
Steam0.9%
Iron HelmSteam only
As Sir Oofie, defeat the final boss of Forest 3 using Sword, Hero Sword, Corrupted Sword and Scythe
Steam0.9%
Magic hatSteam only
As Fox, get Firestaff, Lightning Staff & Blood Magic to level 40
Steam0.9%
Shady Hat (gold)Steam only
Buy 50 items from a Legendary Shady Guy
Steam0.9%
SunglassesSteam only
As Calcium, finish the final boss fight on Graveyard in under 60 seconds
Steam1.0%
HeadsetSteam only
As Ninja, complete Desert Stage 1 with at least 2 Boss Curse shrines activated
Steam1.2%
Challenges4Steam only
Complete 30 Challenges
Steam1.4%
Shady Hat (pink)Steam only
Buy 60 items from an Epic Shady Guy
Steam1.5%
Looooong Top HatSteam only
Get 300,000 kills on Forest in a single run
Steam2.0%
Challenges3Steam only
Complete 20 Challenges
Steam2.0%
Kevin HatSteam only
Get punched by Kevin 100,000 times
Steam2.0%
PumpkinSteam only
As Roberto, break every pumpkin on Graveyard
Steam2.2%
MicrowaveSteam only
Blow up 50 microwaves
Steam2.2%
Shady Hat (blue)Steam only
Buy 80 items from a Rare Shady Guy
Steam2.4%
Sheriff's HatSteam only
As CL4NK, kill any boss or miniboss in under 1 second
Steam2.5%
Wizard's HatSteam only
As Vlad, use Pot (stainless steel) to upgrade any weapon above its max level of 40
Steam2.9%
Top HatSteam only
Get 100,000 kills on Forest in a single run
Steam3.4%
Shady Hat (black)Steam only
Buy 100 items from a Common Shady Guy
Steam3.9%
Bob's LightSteam only
Kill Big Bob on Graveyard using damage from charging a lamp as the finishing blow
Steam4.0%
SnekSteam only
Discover in the secret room in the crypt on Graveyard
Steam4.0%
RobertoSteam only
Kill Spooky Steve
Steam4.1%
CactusSteam only
Kill 100 cactus enemies with Thorns damage
Steam4.3%
Pot (stainless steel)Steam only
Open every chest and pot in the first crypt on Graveyard
Steam5.9%
Challenges2Steam only
Complete 10 Challenges
Steam6.8%
Old MaskSteam only
Find on Graveyard
Steam7.8%
Red FrogSteam only
Find the frogs on Forest Stage 3
Steam8.2%
Quin's MaskSteam only
Defeat a Stage Boss as Athena, landing the killing blow with Aegis
Steam8.2%
Eagle ClawSteam only
Kill 10 000 enemies as Birdo
Steam8.8%
ScytheSteam only
Kill Big Bob on Graveyard
Steam9.6%
Blue FrogSteam only
Find the frogs on Forest Stage 2
Steam12%
Chaos TomeSteam only
Charge every Charge Shrine on a Tier 3 run across all 3 stages without leaving the charge zone
Steam15%
KevinSteam only
Obtain 3 Leeching Crystal in a run
Steam15%
Corrupted SwordSteam only
Get Cursed Tome to Level 20 in under 10 minutes
Steam15%
Shattered KnowledgeSteam only
Upgrade Attraction Tome to Level 8
Steam16%
Hero SwordSteam only
Defeat a Stage Boss without picking up any items, powerups or using shrines.
Steam17%
BirdoSteam only
Kill 100 enemies using the Tornado weapon while carried by a tornado on Desert
Steam18%
Green FrogSteam only
Find the frogs on Forest Stage 1
Steam18%
Demonic BloodSteam only
Increase Max HP with Blood Magic 400 times
Steam19%
MinesSteam only
Kill 7 500 enemies using Rockets
Steam20%
Dragon's BreathSteam only
Kill 1 000 Wisps as Fox on Desert
Steam21%
GraveyardSteam only
As Calcium on Desert Tier 2, summon and defeat the undead boss
Steam21%
Joe's DaggerSteam only
Kill 10 000 enemies using the Dexecutioner
Steam21%
Bloody CleaverSteam only
Reach Level 50 as Vlad
Steam21%
Space NoodleSteam only
Complete Desert Tier 2 as Tony McZoom
Steam22%
SpacemanSteam only
Complete 6 challenges
Steam22%
Holy BookSteam only
Kill a first Stage Boss without taking any damage that run
Steam22%
DiceheadSteam only
Complete 100 quests
Steam23%
Cursed GlovesSteam only
Get the Cursed Tome to level 10
Steam23%
Energy CoreSteam only
Defeat the Final Boss 2 times
Steam23%
Gamer GogglesSteam only
Defeat a Stage Boss with less than 10% HP left
Steam23%
Challenges1Steam only
Complete 5 Challenges
Steam24%
Soul HarvesterSteam only
Survive the Final Swarm for 6 minutes
Steam24%
Gas MaskSteam only
Kill 5 000 enemies using amog
Steam25%
CannonSteam only
Kill 5 000 enemies using Rockets
Steam25%
ShotgunSteam only
5% chance to find upon breaking a Tumbleweed on Desert Stage 2
Steam29%
NoelleSteam only
Use a Microwave to duplicate Ice Crystal 3 times in a row
Steam30%

Showing 60 of 139

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How rarity is calculated

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.

Steam — Valve's published global unlock percentage across Steam owners of the game.

Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated June 17, 2026.