Here is the full list of all 19 LOVE achievements.
Beat the game in Speedrun Mode in under 12 Minutes
Took the lower path on Level 10.
Find the secret hidden in the depths of the Slow Tube
Successfully take the Level 3 Shortcut without dying
Take the most efficient path through Level 2 without dying
Beat the game on Normal or Better
Submitted Speedrun Score to the Steam Leaderboards
Stay clean while making your way through Level 6
You only live 999 times.
Get a C Rank or Better
Get a B Rank or Better
Get an A Rank or Better
Get an A++ Rank
Placed 250 Respawn Points
Took the higher path on Level 10.
Bounce 60 Times
Climbed a Machine in India
You only live once.
Beat Level 8 without meeting an untimely demise.