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