From Silent Hill Wiki

As with other games of the Series, Homecoming has its fair share of fun stuff for the player to discover.

In-game Secrets

Several of the Achievements unlocked through the course of play reference previous Silent Hill games.

Eddie's Legacy: This achievement is obtained upon killing a Feral for the first time This is a reference to Eddie Dombrowski's murder of a dog while angry.

Shades of James: This achievement is obtained upon killing a Siam for the first time. This is a reference to James Sunderland's behavior towards his wife.

Kaufmann's Handiwork: This achievement is obtained upon obtaining a Serum for the first time. It is a reference to Dr. Kaufmann of Silent Hill 1.

The Old Gods haven't left this place...: This achievement is gained upon beating the game on Hard mode. During one of the endings of Silent Hill 2, James Sunderland mentions that the old gods of Silent Hill are still around, and are willing to grant power to those who venerate them.

In Water: This achievement is gained for obtaining one of the endings available in Homecoming. It shares its name with an ending from Silent Hill 2.

Angela's Choice: This achievement is gained if the player chooses not to forgive Adam Shepherd when the opportunity presents itself. It references Angela Orosco's murder, hence lack of forgiveness, of her father.

Unlockables

By completing a set series of events, the player is rewarded with various items. These, generally, are used to enhance multiple playthroughs of the game.

A Secret Cutscene

This extra cinematic scene can be obtained one of two ways: The player can either beat the game on HARD, or collect every photograph in a single playthrough. If these tasks are met, then after the credits roll, Alex will, from a first-person perspective, climb the stairs leading to his room in the Shepherd House. Josh will be seated on the bed, holding a camera. He begins to laugh, and takes a picture of his brother.

Weapons

Once the game is completed, and depending on the ending, a pair of new weapons become available.

Circular Saw

To receive this weapon, simply beat the game once, and save your file. You can find it in the Shepherd's garage on your next playthrough.

Laser Pistol

To receive this weapon, beat the game and obtain the UFO Ending. Be sure to save your file. You can find it in Alex's room during your next playthrough.

Achievements

Exclusive to the Xbox 360 version of the game, Achievements are rewards earned for meeting a specific goal. Below is a list of obtainable achievements and what must be done to earn each.

Picture	Name	Description	Points
	Lock 'n' Load	Found Rifle	25 points
	Sightseeing	Found 1 Photo	10 points
	Josh's Gallery	Found ALL Photos	50 points
	Alchemilla's Finest	Defeated 1 Nurse	10 points
	Eddie's Legacy	Defeated 1 Feral	10 points
	Lurk No More	Defeated 1 Lurker	10 points
	To The Point	Defeated 1 Needler	10 points
	Split Personality	Defeated 1 Schism	10 points
	Shades of James	Defeated 1 Siam	50 points
	Clear the Air	Defeated 1 Smog	10 points
	Creeper Reaper	Defeated 1 Swarm	10 points
	Out of Order	Defeated 1 Order member	10 points
	Kaufmann's Handiwork	Found 1 Serum	10 points
	Health Junkie	Found ALL Serums	50 points
	The Old Gods Haven't Left This Place	Complete game on HARD difficulty	100 points
	Nursery Rhymes	Found all of the Children's Drawings	50 points
	Six Feet Under	Defeated Sepulcher	50 points
	Blood Donor	Defeated Scarlet	50 points
	Catch Your Breath	Defeated Asphyxia	50 points
	Head Above Water	Defeated Amnion	50 points
	Rising Tension	Found Circular Saw	25 points
	Science Fiction	Found Laser Pistol	25 points
	Smile	Achieved Ending 1	50 points
	In Water	Achieved Ending 2	50 points
	Judgement	Achieved Ending 3	50 points
	Intensive Care	Achieved Ending 4	50 points
	No Dogs Allowed	Achieved Ending 5	50 points
	Mercy	Alex ended his mother's suffering	20 points
	Compassion	Alex could not end his mother's suffering	20 points
	Forgiveness	Alex forgives his father	20 points
	Angela's Choice	Alex does not forgive his father	20 points
	Now About Those Drinks	Saved Wheeler	25 points

Costumes

With each new ending obtained, 1 of 5 costumes will be unlocked, depending on the ending achieved. There are, however, 6 costumes in all. A special costume can be obtained by inputting the Konami Code, a code common to many Konami games.

Big Rig Alex: Clothing similar to those used by Travis Grady. This costume can be unlocked once you beat the game with the "Good" ending.
Order Soldier Alex: This costume can be unlocked after you beat the game with the "Drowning" ending.
Bogeyman Alex: This costume can be unlocked after you beat the game with the "Bogeyman" ending.
ER Alex: This costume is unlockable after you pass the game with the "Hospital" ending.
Deputy Alex: This costume can be unlocked once you beat the game with the "U.F.O." ending
Young Alex: This is the costume unlocked via the Konami Code.

Big Rig Alex costume	Order Soldier Alex costume	Bogeyman Alex costume	ER Alex costume
Deputy Alex costume	Young Alex costume

Silent Hill: Homecoming Secrets and Unlockables