The term "Halo Killer" was used heavily around the Halo 2 and Halo 3 era since back then Halo was at the top of the genre. And there was a lot of games that tried to dethrone Halo over the years. Here are some games that were supposed to kill Halo. Album: https://www.rocketsloths.com/ Livestreams: https://www.twitch.tv/rocketsloth Podcast: https://www.youtube.com/channel/UCpJvLnMNmJYAUxKmfTfBrYw Rocketsloth2: https://www.youtube.com/channel/UCrNHifmtYxDuQ-_nmPuZY_g Patreon: https://www.patreon.com/rocketsloth Join our Discord: https://discord.gg/rocketsloth Become a Member and join our Channel! https://goo.gl/Dpahpo