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.
Loose 666 times
Complete all 4 level
Compleate a tutorial
Run a tutorial
Survive for 15 sec on 4 level
Compleate the 3 level
Survive for 20 sec on 3 level
Compleate the 2 level
Loose 100 times
Get 59 points on any level
See authors list
Open achevements list
View highscores list
Loose 50 times
Survive for 30 sec on 2 level
Compleate the first level
Loose a game 10 times
Beat your score
Loose a game on any level
Play first level without tutorial
Launch this game