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