IGN.com / 02.01.25

Secret Level Creators Pitched a Master Chief-Doom Slayer Crossover Episode, but the Answer Was No

The creators of Secret Level have revealed they pitched a Master Chief/Doom Slayer crossover episode that was turned down.
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  GamesRadar.com 02.01.25

  Microsoft said 'Nah' to the Halo x Doom crossover pitched for Amazon's Secret Level, but I'm crossing my fingers for Season 2