There are many endings in "Silent Hill 2: Remastered (SILENT HILL 2)". There are eight in total, namely leaving, Maria, in the water, rebirth, UFO, dog, bliss and tranquility. The requirements for the tranquil ending The first thing is to go to a green car in the second week and open the window to find the Key of Sorrow.
How to achieve the peaceful ending of Silent Hill 2
"Tranquility" ending
Requirements:
NG+ is required.
Find the "Sad Key", which can be found inside the green car in the right rear window. You can find this car under the bridge before entering town. Once you get the key, there's not much you can do with it until the game is over.
Once you reach the other world of the Lakeview Hotel, keep going until you reach Angela's scene. Then go up the stairs and find your way into the manager's office where there will be a safe in which you must put the sad key and use the code R3 L1 R4. After taking out the postcard, all that's left is to complete the game as usual.
Once you grab the last item, it should be noted that this ending will be locked.
"Tranquility" is a 1/2 brand new ending, very similar to the ending of "Water".