Here is the full list of all 19 Grapple achievements.
Complete All Time Trial Levels under Par
Activate All Holograms
Gather All Secret Collectables
Complete a Speed Run under Par
Complete 30 Time Trial Levels under Par
Gather All Collectables
In time trial mode, complete Level 55 in under 18 seconds
In time trial mode, complete Level 35 in under 5 seconds
In time trial mode, complete Level 23 in under 20 seconds
Complete 10 Time Trial Levels under Par
Beat All 90 Levels
In time trial mode, complete Level 16 in under 15 seconds
Activate 25 Holograms
Beat the First 45 Levels
Reform 100 Times
Activate 10 Holograms
Beat the First 10 Levels
Gather 50 Collectables
Gather 10 Collectables