>protagonist's home is decorated in memorabilia as you

>>382202587
Harmony of Dissonance, kinda. There's a room in the castle you can fill with items you find.

>>382202587
Megaman Network Transmission. You get figures of all the bosses you beat.

Sly Cooper, though its the van not a home

Paper mario Sticker star did that, even though it was a big piece of shit.

I can vividly remember some games that put statues of the bosses in your house after you beat them but I can't actually remember what games they were specifically.

Bully gives you trophies, pictures, all kinds of shit in Jimmy's room as you play

Super Mario Odyssey is gonna do that with the buyable tourist nick-nacks and bumper stickers for your airship. Looks cozy as all hell.

>>382202587
Vice City. Vercetti Estate gets filthier and messier after certain missions.

Metroid Prime 3

>>382202587
the ACC in the phantom pain

The sanctuary in Fable 3

>>382202718
INTERIOR DECORATING

>>382202587
Persona 5