Full list of all 46 Resident Evil 4 achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 39 achievements, and there is 1 DLC pack containing 7 achievements.
Complete the main story on Hardcore mode or higher.
Complete all requests from the Merchant.
Shoot through and destroy 5 targets at the shooting range with a single shot.
Throw a grenade into Ramón Salazar's mouth.
Defeat a Garrador using only knives.
Obtain all treasures indicated on the village treasure map in a single playthrough.
Complete the main story on Standard mode or higher.
Defeat Osmund Saddler.
Obtain all treasures indicated on the island treasure map in a single playthrough.
Kill 2 parasites inside a Regenerador with a single bullet.
Defeat Jack Krauser.
Defeat 3 enemies at once with a flash grenade.
Make it through both minecart sections in the underground tunnel without taking any damage.
Defeat Ramón Salazar.
Sell a single treasure for at least 100000 ptas.
Complete a game at the shooting range.
Use a cannon to defeat a zealot.
Defeat Bitores Méndez.
Parry an enemy with a knife.
Rescue Ashley as she's being carried away by the enemy.
Defeat Del Lago.
Destroy a Clockwork Castellan.
Upgrade a weapon.
Complete a request for the Merchant.
Get the exclusive upgrade for a weapon.
Defeat the Verdugo.
Reach the top of the clock tower without the lift stopping once.
Escape on the water scooter without taking any damage.
Obtain all treasures indicated on the castle treasure map in a single playthrough.
Obtain all weapons.
Destroy all Clockwork Castellans.
Complete the main story on Standard mode with an S+ rank.
Complete the main story on Hardcore mode with an S+ rank.
Complete the main story on Professional mode.
Complete the main story within 8 hours.
Complete the main story without using a recovery item.
Complete the main story using only knives and handguns. (Excluding specific battles.)
Complete the main story without talking to the Merchant once.
Earn an S rank in all games at the shooting range.
Defeat Pesanta in Separate Ways.
Defeat El Gigante in Separate Ways.
Defeat Osmund Saddler in Separate Ways.
Complete Separate Ways on Standard mode or higher.
Complete Separate Ways on Hardcore mode or higher.
Complete Separate Ways on Professional mode.
Complete Separate Ways on Professional mode with an S+ rank.