Been a while since I’ve last played but I wanna say Earthbound.
Patient Gamers
A gaming community free from the hype and oversaturation of current releases, catering to gamers who wait at least 12 months after release to play a game. Whether it's price, waiting for bugs/issues to be patched, DLC to be released, don't meet the system requirements, or just haven't had the time to keep up with the latest releases.
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World of goo
If you're good enough, Vanquish.
What Remains of Edith Finch is a game in this category that really left an impression. Would definitely recommend a playthrough.
Portal, Hyperbolica
Brothers: A tale of two sons is pretty spectacular and can be finished within a few hours.
SANABI
This game absolutely blew me away.
INSIDE is one of my favorite games of any length
Journey is one of my favourite short games.
Here are some short games that I enjoyed: Untitled Goose Game, Alba: A Wildlife Adventure, Donut County, Firewatch, Tangle Tower, Agent A: A Puzzle in Disguise, What Remains of Edith Finch, Spectrum Retreat, Dust: An Elysian Tale
Inscryption
Obvious choice, but, Portal 1&2
Cultic!
I think it will be longer eventually when more chapters get added, but right now it clocks in at about 6 hours I think. Well worth the money.
Neon beats is a really short that can be finished in much under 10 hours. I love it and replay it every now and then
Stranded Sails can't have been much longer than that.
Braid is deffo under ten.
Klondike solitaire 😁.
Castlevania: SOTN once you know a couple of thing about grinding faster.
Take a look at Contrast, a 5 hours narrative platforming game with pretty visuals an concept
Super Mario RPG can be wolluped in 20. If you go hard, I bet you can do it in 10.
Pretty fun and rather full of Easter eggs if you want to keep at it.