As a publisher, you could just start

This actually happens a lot, but kind of the other way around. Small indie shops run out of money and small publishers / companies swoop in with venture, throw a lifeline worth of money for a decent stake in the product. It either gets made, or it gets bought by a bigger fish. Sometimes the product is already done and they just need help expanding the audiience

Places like forklift.gg, who helped accelerate Cash Cleaner Simulator