Notice:
Some cheats will make the game shows 7.77e307 means 7.77 × 10^307 (near max a double value type can hold) which is already ridiculously huge, even a lightyear is only about 9.4607 x 10^15 meter. You will still not be able to max out level of certain stuff due to the dev's oversight.
Some cheat changes are not reversible since there's no cap so be sure to read the instruction.
After downloading .zipp file rename the file to .zip and open it with any compression program