Here is the full list of all 27 Forgotten Ball achievements.
Found littleGiant
Found Becky
Found Bertie R
Found Besty T.
Found Kula W.
Found Marbled A.
Found Jade C.
Found Custard C.
Found Thomas F.
Found Kathleen F.
Found Javier A.
Found Tinca, Tinca.
Found Rubybadu
Found WSACER
Found Antiriad
Found Watson 4768F
Found HONOR
Found Recursive Blob
Found Wizball
Found 1.0r
Found 2.1f
Found 3.1t
Found 44
Found St Thomas
...Reset >= 100
Completed the game in less than 9 lives.
Completed the game in one life.