Complex sentence: The founders considered suing, but had run out of money, and after six months of development were forced to stop development on all projects and declare bankruptcy due to Sweden's severe laws against operating businesses under a debt load.
Split into simpler sentences: The founders considered suing, but had run out of money, leading them to stop production after six months of work. Further, Grin ceased production on all of their other projects and declared bankruptcy due to Sweden's severe laws against operating businesses under a debt load.