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