Item description:

This is for the NTSC-J Japanese version of Zoids Assault.

Instructions:

Select continue from the main menu and load the quicksave.

You will need to kill a few zoid machines to complete the game and unlock the achievements.

(If you end up loosing, just transfer the save from your computer again and retry, it's fairly easy to beat).

This will unlock all achievements in legit order, tested and working.