Bundle for Ukraine, including over a thousand games (of the tabletop and virtual variety) Itch.io. $10 donation and it's all yours:
https://itch.io/b/1316/bundle-for-ukraine
Edit: For anyone not familiar with Itch.io the bundle above for all those games (34 pages of downloads)...is for full downloadable games. No keys, no clients required. If you want a client you can use Steam, GOG or Playnite etc and add the games there. Obviously a ton of work.