C# + https://monogame.net

- Desktop: Windows, MacOS, Linux

- Mobile: Android, iOS, iPadOS

- Console: Playstation 4, Playstation 5, Xbox One, Nintendo Switch

It used to be XNA but then Microsoft discontinued and the community created the API compatible MonoGame.

Notable games: Terraria (when it was XNA), Stardew Valley, Celeste, Terraria and Fez.