1. Destiny (2014) - Estimated Budget: $500 million
- Developed by Bungie and published by Activision, Destiny was a highly ambitious multiplayer first-person shooter.
2. Grand Theft Auto V (2013) - Estimated Budget: $270 million
- Developed by Rockstar North, GTA V is an open-world action-adventure game known for its extensive development and marketing costs.
3. Star Wars: The Old Republic (2011) - Estimated Budget: $200 million
- An MMORPG developed by BioWare and published by Electronic Arts, Star Wars: The Old Republic had a substantial budget due to its expansive Star Wars universe.
4. Call of Duty: Modern Warfare 2 (2009) - Estimated Budget: $250 million
- Developed by Infinity Ward and published by Activision, Modern Warfare 2 had a high budget, including marketing expenses.
5. Red Dead Redemption 2 (2018) - Estimated Budget: $250 million
- Developed by Rockstar Studios, Red Dead Redemption 2 is an action-adventure game known for its detailed open-world and narrative.
6. Final Fantasy VII Remake (2020) - Estimated Budget: $144 million
- Developed by Square Enix, this remake of the classic Final Fantasy VII had a significant budget due to the scale of the project.
7. Titanfall (2014) - Estimated Budget: $100 million
- Developed by Respawn Entertainment and published by Electronic Arts, Titanfall was a high-budget multiplayer first-person shooter.
8. Watch Dogs (2014) - Estimated Budget: $68 million
- Developed by Ubisoft Montreal, Watch Dogs is an open-world action-adventure game known for its hacking mechanics.
9. Assassin's Creed III (2012) - Estimated Budget: $100 million
- Developed by Ubisoft Montreal, Assassin's Creed III had a substantial budget due to its historical setting and advanced gameplay mechanics.
10. Anthem (2019) - Estimated Budget: $100 million
- Developed by BioWare and published by Electronic Arts, Anthem was a highly anticipated multiplayer action role-playing game.
Keep in mind that these budget estimates are not always officially disclosed by game developers or publishers, and they can include various expenses beyond just development costs. Additionally, the gaming industry is dynamic, and new high-budget games may have been released or announced since my last update.