Great news. One new member loads 3DS hacking scene- vegaroxas. He released his first exploit two days ago -Steelhax, it is a new secondary entrypoint based on Steeldiver Subwars. Now this game is free on the Nintendo eshop, it is a good chance to get the game when it is still available.
Steelhax is a secondary exploit which means you need to have a hacked 3DS and then install the savegame. Please note that there are many differnet version of Steeldiver Subwars. The exploit requires version 1.0. If you have updated version, please uninstall it.
You can download and install Steelhax from developer’s github here.