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.
You stopped a suicide. With a murder.
Fulfilled your secondary goal in the prison.
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.
You really liked petting that cat.
Beat Katana ZERO.
Complete The Dragon's tape.
Meet your final end in chinatown.
This will go well...
Most people go right. You went left.
Found what the robber left behind.
Didn't wake up Leon.
Found all the hidden keys.
You ruined his fresh track suit.
Poor guy.
You killed a suspiciously familiar character on the Quiet Hills set.
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.
Defeat the psychiatrist's final form.
Your trap card was activated.
Achieve a total rank of gold or higher in a full speedrun.
Complete a full run in hard mode.