I just finished a round of Red Alert Remastered. Fun game. I was real good at the game nearly 30 years ago. Got in the top 10 on a 1v1 ladder on some now forgotten site.
They have taken the classic game and made it work on modern computers, they have plenty of online servers you can play on, and the controls are more modern than the original C&C games, left click to select, right click to command.