Here is the full list of all 23 Lenin - there are The Lion achievements.
Got your first music CD.
Read a note.
Unlocked the first memory.
Unlocked the second memory.
Unlocked the third memory.
Unlocked the fourth memory.
Unlocked the fifth memory.
Unlocked the sixth memory.
Unlocked the seventh memory
Unlocked the eighth memory.
Unlocked the ninth memory.
Unlocked the tenth memory.
Found the Happy House...
Destroyed the Happy House...
Read all the notes.
Bad boy left Samiga Village.
A path of pain.
A path of hope.
Is this the end?
A path of flowers.
Opened the Human Gallery.