Radboy
Just in case you were worried about gamma rays and only had a GameBoy handy.
- Robopon had an infrared photodiode
- Kirby Tilt'n'Tumble had a gyroscope
- Boktai had an UV sensor
Radboy has an SBM20 !
How it works
- 4kB EPROM
- EPM3032 CPLD
- MPSA44 transistor
- SBM20 GM tube