Monty on the Run is a computer game created by the software house Gremlin Graphics and released in 1985. After many other computer releases, it has now been available on Gameboy/Gameboy Color as well.
https://lacoste42.itch.io/monty-on-the-run-gbc
https://lacoste42.itch.io/monty-on-the-run
Source: itch.io