Here is the full list of all 22 Katana ZERO achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Defeat the psychiatrist's final form.
This will go well...
In 1962, the Orlons released one of the all-time greatest doo wop hits, Don't Hang Up. Google it. Anyway, you hung up your phone a lot.
Found what the robber left behind.
You ruined his fresh track suit.
You stopped a suicide. With a murder.
Most people go right. You went left.
Beat Katana ZERO.
Complete The Dragon's tape.
Meet your final end in chinatown.
You killed a suspiciously familiar character on the Quiet Hills set.
Poor guy.
Fulfilled your secondary goal in the prison.
Didn't wake up Leon.
Found all the hidden keys.
Why did you think it was a good idea to give him your Katana anyway?
Kill yourself in an elevator.
Jump off the balcony of the penthouse.
Your trap card was activated.
Achieve a total rank of gold or higher in a full speedrun.
Complete a full run in hard mode.
You really liked petting that cat.