I recently found that WASM4 officially supports D language to build retro games like Game Boy for web browser and native apps.

https://wasm4.org/docs/getting-started/setup

These are my small examples written in D:

• https://github.com/christopher-kleine/wasm-4-tutorial-games/tree/main/snake-d
• https://github.com/ShigekiKarita/wasm4-puyo (hosted at https://karita.xyz/wasm4-puyo)
• https://github.com/ShigekiKarita/wasm4-flappy-bird (hosted at https://karita.xyz/wasm4-flappy-bird)

I think it is very fun experience with D's betterC mode. Let's join this upcoming game jam
https://itch.io/jam/wasm4
https://www.youtube.com/watch?v=hWGu4SqlRy0