- 0.135u1: Fabio Priuli added driver_data struct to Boxer (prototype). Merged video emulation into driver.
- 0.128u4: Derived clocks from crystals in Boxer [Luigi30].
- 0.121u1: Changed palettesize from 2 to 4 colors.
- 0.71: Stefan Jokisch added Boxer (prototype) (Atari 1978). This game had some weird controls that don't work well in MAME.
- 1st July 2003: Stefan Jokisch fixed the LEDs in both Boxer and Wolf Pack.
- 30th June 2003: Stefan Jokisch sent in a driver for Boxer.
- 3rd October 1998: Dumped Boxer (prototype). Controls: Handle assembly that could move left-right and rotate.