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Halo composer Marty O’Donnell loses race in US midterms
Halo composer Marty O’Donnell has lost his bid for a seat in the US House of Representatives, with Democratic incumbent Susie Lee retaining Nevada’s 3rd Congressional District. The result drew attention from gaming fans because of O’Donnell’s work on the Halo series and his later political profile.
O’Donnell won the 2026 Republican primary after an unsuccessful attempt in 2024, and was endorsed by President Donald Trump. With 86% of votes reported, he had received about 38%; the article gives no final vote total. Lee’s campaign marked her win with a video featuring one of O’Donnell’s Halo compositions, while the race came amid other political uses of video game imagery.
In short
- Susie Lee retained Nevada’s 3rd District seat.
- O’Donnell had about 38% with 86% counted.
- His Halo work brought gaming attention to the race.
Explained simply
The US House of Representatives is part of Congress, the country’s national legislature. Members are elected from districts, and Nevada’s 3rd District covers parts of the Las Vegas area.
Susie Lee is a Democrat who has represented the district since 2019. Marty O’Donnell is a composer best known for music for the Halo video game series; he later entered politics as a Republican candidate.
The race drew attention beyond Nevada because O’Donnell is known to gaming fans and had been endorsed by President Donald Trump. It also reflects how video game music and imagery have become part of political campaigns.