Here is the full list of all 21 El Paso, Elsewhere achievements.
Get the "Scars Fade" ending.
Defeat Draculae.
Dive 150 times.
Collect the Launcher.
Defeat Djedefre.
Stake 250 enemies.
Kill the Burned Man.
Kill the Angel.
Collect the Uzi.
Kill a mega enemy.
Hit 1,000 weak points.
Kill the Puppeteer for the first time.
Heal 50 times.
Roll 150 times.
Save 10 hostages.
Clear the first Landmark level.
Clear the tutorial.
Find all Pill Cop segments.
Find all projectors.
Get the "Thanks for Believing" ending.
Kill 5 hostages.