Brain Howarth is a British video game developer that created the Mysterious Adventures series:
- Mysterious Adventures 1: The Golden Baton (1981)
- Mysterious Adventures 2: The Time Machine (1981)
- Mysterious Adventures 3: Arrow of Death Part 1 (1981)
- Mysterious Adventures 4: Arrow of Death Part 2 (1982)
- Mysterious Adventures 5: Escape from Pulsar 7 (1982)
- Mysterious Adventures 6: Circus (1982)
- Mysterious Adventures 7: Feasibility Experiment (1982)
- Mysterious Adventures 8: The Wizard of Akyrz (1983)
- Mysterious Adventures 9: Perseus and Andromeda (1983)
- Mysterious Adventures 10: Ten Little Indians (1983)
- Mysterious Adventures 11: Waxworks (1983)