© 2026
Achievements
CriticalitySync your progress to see which achievements you've unlocked.
Log in to track
Whoops!
Reach rank 2
95.3% global
We have to go back!
Prestige for the first time
93.2% global
1.21 gigawatts!
Earn 1.21 billion xp in a single run
74.9% global
Power Overwhelming
Unlock all skills in the upgrade tree
58.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.7% global
Sundial
Complete level 2
80.3% global
Criticality Starts Here
Reach level 75
76.1% global
Oppenheimer
Reach level 150
73.3% global
I Am Become Death
Reach level 300
49.9% global
Looper
Prestige 5 times
68.5% global
Groundhog Day
Prestige 10 times
53.4% global
Back to the Future
Prestige 15 times
38.5% global
Fastest Man-Made Object
Reach 0.00064c
69.7% global
Evenly Matched
Reach 0.01c
64.1% global
Make it so
Go faster than light
44.8% global
Braincicle
Complete level 3
71.6% global
Rebuilt
Complete level 4
65.8% global
CCCCombo
Get 1000 atom chain reaction with 1 Click
52.1% global
Normal
Reach rank 2 on Nuclear Propulsion with no special atoms
15.6% global
Raiden
Do a 12 jump chain lightning strike
58.0% global
Prompt Criticality
Rank up within 20 seconds of a fresh prestige
17.8% global
Enrichment
Remove 238 non-fissile atoms
61.5% global
Total Internal Reflection
Bounce a single neutron off the walls 3 times
64.2% global
Clutch
Rank up after time is over with 0 shots left
75.6% global
Ima Firin Mah Lazer
Reach rank 4 in Infiltration with only gamma ray atoms
16.7% global
Warp 10
Buy 100 of each rocket lab upgrades
26.9% global
A Thousand Worlds
Complete Galactic Expansion and view the other endings
23.1% global
