Monster Games, Inc. was an American video game developer in Northfield, Minnesota, United States that specialized in racing games. They have also ported multiple Wii games to newer platforms for Nintendo. The company was founded in 1996, and was acquired by iRacing in 2022.
In 2025, parent company iRacing.com Motorsport Simulations founded iRacing Studios and subsequently merged Monster Games into the new company.
In July 2025, iRCMS merged Monster Games into their brand new gaming company iRacing Studios. The team at Monster Games would continue their work on NASCAR 25 under the new iRacing Studios banner.
| + List of games developed by Monster Games ! scope="col" | ! scope="col" Title ! scope="col" | Platform(s) !Publisher(s) | |
| 1998 | Viper Racing | Microsoft Windows | Sierra On-Line |
| 2000 | NASCAR Heat | Microsoft Windows PlayStation | Hasbro Interactive |
| 2001 | NASCAR Heat 2002 | PlayStation 2 Xbox | Atari SA |
| 2002 | GameCube PlayStation 2 | ||
| 2004 | PlayStation 2 Xbox | Atari | |
| 2006 | Excite Truck | Wii | Nintendo |
| 2009 | |||
| WiiWare | |||
| 2011 | Pilotwings Resort | Nintendo 3DS | |
| 2013 | Donkey Kong Country Returns 3D | ||
| 2014 | (co-developed with Retro Studios) | Wii U | |
| 2015 | Xenoblade Chronicles 3D | New Nintendo 3DS | |
| 2016 | NASCAR Heat Evolution | Microsoft Windows PlayStation 4 Xbox One | Dusenberry Martin Racing |
| 2017 | NASCAR Heat 2 | 704Games | |
| 2018 | NASCAR Heat 3 | ||
| 2019 | NASCAR Heat 4 | ||
| 2020 | Tony Stewart's Sprint Car Racing | Monster Games | |
| Tony Stewart's All American Racing | |||
| 2021 | SRX: The Game | GameMill Entertainment | |
| 2022 | World of Outlaws: Dirt Racing | PlayStation 4 PlayStation 5 Xbox One Xbox Series S/X | iRacing |
| 2023 | Nintendo Switch | ||
| 2024 | World of Outlaws: Dirt Racing 24 | PlayStation 4 PlayStation 5 Xbox One Xbox Series S/X | |
| 2025 | Microsoft Windows |
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