Megabonk Achievement Data — Unlock Rates for All 139

Published by Valve Achievement rate for all players The difficulty level distribution is organized based on. Acquisition date: August 15, 2026

How to read this number

lined up here What percentage of people who actually played the game unlocked it? That's the fact. This is an objective measure of difficulty. There are a large number of achievements, 139, and many of them are designed to be achieved through daily play.

📊 Distribution of acquisition rate

139

Total number of achievements

58

Acquisition rate of 50% or more

32

Acquisition rate less than 10%

0.8%

Most difficult acquisition rate

  • ▸ The achievements most people have completed: 96.1%
  • ▸ Median acquisition rate: 37.5% (Half the achievements have an unlock rate at or below this value)
  • ▸ Acquisition rate of 20% or more: 97 pieces / Less than 5%: 26 pieces / Less than 1%: 3 pieces
⭐ Featured achievements posted by Steam
Battery
Boss Buster
Cactus
Cursed Doll
Forbidden Juice
Brass Knuckles
Bob (Dead)
Anvil
Ghost
Ice Crystal

*This is listed as a "Notable Achievement" by the Steam official store. All 139 Some of them.

❓ Frequently asked questions

Q. How many achievements does Megabonk have?

139 pieces (as stated on the Steam official store). Of these, 10 are listed as "Notable Achievements" by Steam, and they are listed on this page.

Q. How many people have achieved the most difficult achievement?

The achievement with the lowest acquisition rate is 0.80%. On the other hand, the achievement most people take is 96.1%. There are 32 achievements with an acquisition rate of less than 10% (Valve public data as of August 15, 2026).

Q. Is completing achievements realistic?

The median acquisition rate is 37.5%, with 26 achievements below 5%. It is safe to assume that unlocking all achievements will require a certain amount of time and skill. First of all, it will be easier to progress if you aim for 58 items with an acquisition rate of 50% or higher.

Q. Where does this number come from?

Valve's public player achievement unlock rates (Steam Web API) and achievement information from the official Steam listing. No speculative figures are included. Individual achievement unlock requirements are not published here until a reliable source is available.

📚 Sources of information and information not covered

The acquisition rate is All player performance data published by Valve (Steam Web API), the total number of achievements and notable achievement names are Steam official store Retrieved from The unlock conditions for individual achievements are not listed to avoid speculation. (I will add a reliable source as soon as I get it):

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Based on site-wide views, captured July 6, 2026 (previous 28 days plus capture day).