7. Final Fantasy VII Remake

Final Fantasy VII Remake, a reimagining of the beloved classic, cost around $250 million to develop. The game brought high-definition visuals, an overhauled battle system, and reinterpreted music to fans who had waited for years for this upgrade.
The project also involved complex narrative changes, a vast world redesign, and intricate character models, making it a monumental undertaking. Its success both commercially and critically highlights how a well-loved franchise can bring in massive returns when reworked with modern gaming technology.