Let me see, I have a few.
1. Pinball machines - used to own a couple and worked on them quite a bit. Ended up selling them due to how much space they took up. Still love pinball and will play anytime I can find a machine. Almost missed a flight back from Louisville, KY playing at the airport!
2. Drawing, painting, woodworking, sculpting - have not done it in about 10 years, but doing all types of artwork used to be my passion. Just no time anymore.
3. Pool - I have an 8ft table at home and have always loved playing pool. Used to be in some BCA leagues, but no longer have time, so I just play at home.
4. Arcade gaming - I have a Sega New Net City cab and a Neo Geo cab. Enjoy playing these and working on all the wiring/setting up new games. Will still soens a Friday or Saturday night on this.
5. Console Emulation - enjoy modding systems to play some cool emulators. My favorite is modding an original Xbox to play NES, SMS, SNES, Genesis, TG-16, and Arcade games.
6. Hiking - love hiking. The more remote/extreme the course, the better. As long as it does not require full fledged mountain climbing.