Hyper Wars: The Mega Firestorm

Hyper Wars: The Mega Firestorm is a retro-style shooter.
 * Yoyogames website

Cheats
The number of credits is located within the binary file unrat.dat. The first two bytes are in big-endian and provide the number of credits.

To enable level select to all six levels, open data.dat, move to the  [0]  section and set @=6