Here is the full list of all 20 FOTONICA achievements.
Reach a new state of consciousness
Complete everything.
Run with a speed over 100m/s.
Run more than 1000000m.
Reach gold speed twice in an endless level
Stay in gold for more than 60s
Collect more than 999 total dots.
Get over 25000pts in an endless level.
Complete a multiplayer run.
Get over 10000pts on each level.
Complete all levels on all difficulties.
Collect a column of dots.
Prove your face indestructible.
Get over 10000pts on any level.
Complete a level with alternate controls.
Play FOTONICA without distractions.
Complete one level.
Complete every level, any difficulty.
Listen to the sounds of nature.
Complete the tutorial.