https://tzxvault.org/ - Nominally a collection of TZX files for use in ZX Spectrum emulation, though it also features a lot of cross-platform games. The publisher tribute pages contain scans of tape inlays and such, including this terrifying vision of Puckman.
https://www.ifwiki.org/ - Super detailed wiki, also acts as a general hub for IF resources.
I haven’t read to see what all people have shared already but here’s my personal stash of favourite links
Databases:
https://amiibo.life/ - database of all amiibo and their uses ^^
http://femicom.org/ - Documenting girly video games up until 2000
http://www.thecoverproject.net/ - Collecting scans of every single video game box
CollectorsEdition.org » Game Database - Documenting collector’s editions
https://consolevariations.com/ - Image database of every console and controller in every colour, as well as box variants
https://www.dekudeals.com/ - The BEST way to browse the eShop, you can easily browse and search and make wishlists and sign up for sale notifications! Even works for PS5 and Xbox Series. I personally check Recently Released | Deku Deals every week to keep up with what new weirdo games are on switch
https://delistedgames.com/ - Documenting games that are no longer for sale digitally
https://howlongtobeat.com/ - Database of average player time to beat pretty much any game
https://www.lucklessheaven.com/ - Database of every single known first-party Nintendo game, download, and accessory (skews towards newer stuff, site is in progress on getting older stuff)
NinDB: Information on First Party Nintendo Games - what luckless heaven is trying to continue as it’s no longer updated, but a fantastic list of every nintendo game with descriptions and tidbits of info :)
https://www.pricecharting.com/ - Documenting prices of all sold ebay listings for pretty much all games (not so good with Japanese ones though) since 2007
https://www.spriters-resource.com/ - Rips the sprites from games for your admiration! There’s also models, textures, and sounds in the top banner
Family Gaming Database - Guides, Ratings and Suggestions - Family Gaming Database - Database of recent games with tons of searchable tags such as console, ESRB rating, number of players, genre, similar games, and accessibility aids
https://www.thevideogamelibrary.org/ - Cataloguing every non-guidebook video game related book
https://vgmdb.net/ - Documenting physical releases of video game soundtracks
My My Nintendo - all My Nintendo rewards, ever
Other:
beforemario: List of Toys and Games - blog documenting what Nintendo was up to prior to 1985
https://downloads.khinsider.com/ - Download music from loads of different games
https://gamehistory.org/ - Organization trying to preserve game history, run by Frank Cifaldi and formerly Kelsey Lewin. Blog and podcast are pretty cool!
https://legendsoflocalization.com/ - Clyde Mandelin aka Mato’s (the guy who did the Mother 3 fan translation)’s blog about the journey of translating!
https://nintendotreehouse.tumblr.com/ - abandoned, but Nintendo Treehouse staff use to do write-ups about different games
https://shmuplations.com/ - translations of Japanese interviews with game creators
Shonumi: Main Page - Edge of Emulation, goes over games that are particularly difficult to emulate for a wide variety of reasons, great list of unusual games
https://wiifactsplus.tumblr.com/ - Nifty snifty facts about the Wii and Miis!
https://www.fangamer.com/ - official merchandise store for many video games especially indies, stuff is high quality and really cool
when I eventually get around to fixing this darn thread….…
I was going to be extra annoyed if Washington didn’t have the most Bigfoot sightings.
Well, nobody’s brought this up yet, so I might as well: a site compiling every PS2 save icon.
I’ll throw another one at ya - a site compiling every PS1 memory card icon: https://memcard.art/