Nice list, really love the idea. Here are some of my suggestions:

—Superliminal (2h)
—Superhot (2h)
—Monument Valley (2h) / Monument Valley 2 (2h)
—Unpacking (3h)
—Little Nightmares (3h) / Little Nightmares 2 (4h)
—The Stanley Parable Ultra Deluxe (4h)
—Mirror's Edge (6h)
—Mutazione (6h)

@Drax My previous statement was meant to be declarative instead of imperative, but thanks for the games regardless.

@Fauxscerf Added

@Lot0 Added all. I'm not huge on Kid Dracula but I added it anyway and simply expressed my opinion in the note.

@Naduriense Added most. I left out the two sequels because they seem pretty dependent/similar on the original. If you can confirm that's not the case I'll add them.

@DeltaWDunn You're welcome! Seems like I was a bit off with some game lengths, hahah...
btw, Kid Dracula GB >>>>>> Kid Dracula Famicom

I'm making a few adjustments:

-If I don't like a suggested game I'll just put in the notes that I personally don't like it.

-If a sequel is very similar/requires playing the original, I won't put it. I think Castlevania III is one of the best NES games, but it's fairly derivative of the first game. If someone likes the first one, I'm sure they can decide to play III without this list.

If you suggest something over 5 Hours, it should be something you really like or an RPG, which are traditionally much longer.

To everyone, thank you for your contributions. I'm going to be doing summer classes along with work soon, so I'll be sure to play many of these with the spare time I have.

@Lot0 That's interesting. I definitely felt crazy because I absolutely despised the NES version when most others seemed to enjoy it. Maybe I got the versions mixed up. I'll note the best version above.

@DeltaWDunn That's fair, still and all i'm glad i could help with the list

Turnip Boy Commits Tax evasion - 2-2.5 hour metroidvania
Sumire - 3 hour adorable walking sim
Luna's Fishing Garden - 3 hours of fishing and fetch quests
Frog Detective The Entire Mystery - 3.5 hours for three point-and-click mysteries
Dordogne - 4.5 hour narrative point-and-click
The Big Con 4.5 hour '90s inspired adventure
Planet of Lana - 5 hour puzzle platformer
Bramble: The Mountain King - took me 6 hours, but that's because I was bad at it, but it's an amazing dark puzzle platformer

@pinkadot89 Thanks for the entries!

Ghost in the Shell and Ace Combat 2, both for PS1 and last less than 2 hours.

@DoubleSergio Didn't know Ace Combat 2 was so short. Definitely gotta play that soon. Anyway, added both.