Stardew Valley - A farming simulation game that is quite light and offers many hours of fun.
Undertale - An independent RPG with a simple graphical style and an engaging story.
Hollow Knight - A Metroidvania-style action-adventure game that is well optimized and has stunning graphic design.
Celeste - A platform game with pixelated graphics and a touching story, which doesn't require much hardware.
Hotline Miami - An action game with a retro aesthetic and fast gameplay, ideal for more modest settings.
The Binding of Isaac: Rebirth - A roguelike with simple graphics and addictive game mechanics.
Papers, Please - A simulation game where you take on the role of an immigration officer in a fictional country.
FTL: Faster Than Light - A real-time strategy game with spaceship management elements.
Terraria - A 2D sandbox that allows exploration, building and combat in a randomly generated world.
Don't Starve - A survival game with a distinctive graphical style and engaging gameplay.
I hope I helped you dear friend..