Here is the full list of all 21 Linea, the Game achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Play first level without tutorial
Get 59 points on any level
See authors list
Complete all 4 level
Survive for 15 sec on 4 level
Compleate the 3 level
Survive for 20 sec on 3 level
Loose 100 times
Loose 50 times
Compleate the 2 level
Survive for 30 sec on 2 level
View highscores list
Loose a game 10 times
Compleate a tutorial
Open achevements list
Compleate the first level
Beat your score
Loose a game on any level
Run a tutorial
Launch this game
Loose 666 times