5. Grand Theft Auto V
Rockstar’s Grand Theft Auto V, one of the most iconic titles in gaming history, had an estimated development cost of $275 million. The open-world action-adventure game features a sprawling city, complex storylines, and an innovative multiplayer mode (GTA Online).
With its attention to detail, dynamic world, and the ability for players to immerse themselves in the criminal underworld, the game became an instant hit. Its success not only created a global cultural phenomenon but also helped Rockstar redefine what a modern open-world game could be.