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