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