Steam

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.

121

Weapon Slots

Complete 25 quests

Common

83.7%last reported global rate

122

Idle Juice

Kill 500 enemies while standing still

Common

85.2%last reported global rate

123

Attraction Tome

Use Shrine of Succ 8 times

Common

85.6%last reported global rate

124

Cursed Doll

Die 10 times

Common

86.1%last reported global rate

125

Luck Tome

0.01% chance to drop when killing an enemy

Common

86.1%last reported global rate

126

Battery

Upgrade Cooldown Tome to Level 5

Common

86.4%last reported global rate

127

Refresh

Complete 20 quests

Common

86.4%last reported global rate

128

Blood Tome

Kill 12 500 enemies

Common

86.6%last reported global rate

129

XP Tome

Break 20 pots in a single run

Common

86.6%last reported global rate

130

Calcium

Kill 1 000 Skeletons

Common

90.1%last reported global rate

131

Revolver

Kill 7 500 enemies

Common

90.2%last reported global rate

132

Key

Purchase 25 chests

Common

91.5%last reported global rate

133

CL4NK

Complete Forest Tier 1

Common

92.4%last reported global rate

134

Quantity Tome

Fire 5 000 projectiles

Common

93.3%last reported global rate

135

Bananarang

Find the hidden Banana

Common

93.4%last reported global rate

136

Tactical Glasses

Defeat a Miniboss in 25s

Common

94.3%last reported global rate

137

Forbidden Juice

Crit 100 times

Common

95.4%last reported global rate

138

Aura

Don't take any damage for 2 minutes

Common

95.5%last reported global rate

139

Ghost

Survive the Final Swarm for 60s

Common

96.0%last reported global rate