AceMatt

Sacrifice, or Cost Complete the Prologue – The Collapse.

Prisoner for Millennia Complete the Prologue – A New Dawn.

Oversized Fireworks Complete the Prologue – Twilight of the Empire.

A Celebration for the Poor Complete the Prologue – A Celebration for the Poor.

Only Way Out Reach the "In Water" ending.

That Part of Me Defeat Her.

Obsolete Destroy what you don't need.

Archivist Collect all memos in a single playthrough.

Truly Special Reach Room 312.

It's Bread Interact with bread.

Glimmer of Hope Reach the Lakeview Hotel.

A Human Being Kill Eddie.

James of All Trades Kill at least one enemy with Wooden Plank, Steel Pipe, Handgun, Shotgun and Rifle in a single playthrough.

Inner Sanctum Find His room.

Unforgivable Defeat the Abstract Daddy.

Into the Abyss Reach the end of the long staircase.

Leftovers Find the pizza in Pete's Bowl-O-Rama.

No Big Deal Kill 75 enemies with ranged weapons.
75/75

Alone Again Survive the chase in Brookhaven Hospital.

Merciless Finish off 50 enemies with a stomp attack.
50/50

Nightmare Fuel Defeat the Flesh Lip.

Admitted Reach Brookhaven Hospital.

Uncanny Meet Maria.

Passed Make your way out of Blue Creek Apartments.

Blunt Force Trauma Kill 75 enemies with melee weapons.
75/75

Otherworldly Enter the Otherworld for the first time.

Nice and Cozy Reach Wood Side Apartments.

You Never Know... Try to open locked doors 50 times.
50/50

Shattered Destroy 50 windows.
50/50

Enjoy Your Stay Reach Silent Hill.

No Turning Back Now Try to leave Silent Hill in the Observation Deck area.

Pew Pew Die Kill at least 30 enemies with each electrically-augmented firearm

Novice Beat the game on Novice difficulty or higher

Adept Beat the game on Normal difficulty or higher

Ancient Blood Defeat Felicity D'Abano

Sever Forever Tear off 100 limbs from enemies

Drop of Blood Defeat William Rentier

Adapt or Die Defeat the Bruch

Slam Champion Slam enemies 100 times

Ticks & Leeches Beat the Parasiter

Chewing Volts Use 15 Energy charges

Calico Visit Calico for the first time

Spark of Hope Activate the Supercharged Mode for the first time

Monsterball Cannonball enemies 50 times

In the Feels Hit 45 weakspots

E-Rodeo Kill 20 enemies using the E-Combo

Mighty Mitten Kill 10 enemies in a row using only Gauntlet after obtaining the Revolver

Pointless Violence Perform 15 finishers

Warmup Kill 100 enemies.
100/100

Monster Slayer Defeat a Miniboss.