For anyone with a good bit of Halo experience, I recommend starting on Heroic and adjusting the difficulty from there as seems suitable. You'll need to first pick your difficulty.Want to take this on with friends? That's cool too, this mod supports cooperative play, meaning you and three other pals can jump into the action. The mod includes waves of flood, and just like with Zombies, each round increases the difficulty, making the enemies stronger and harder to kill. If you get lucky, a few special powerups might drop from zombie corpses too.' This mod features a points system, with guns and perks available to purchase. Fight hard to survive round after round, with the flood growing stronger and more numerous as rounds progress. According to Crisp, 'Halo 3: Zombies brings the classic zombie survival experience to Halo. Simply called Halo 3: Zombie, modder CrispyMods had created yet another awesome modding experience for the Halo world. After trying it out for myself, I can't recommend this Halo 3 mod enough because of how it draws inspiration from Call of Duty: Zombies. With Season 3 of Black Ops Cold War and Warzone bringing a ton of changes, and with Halo Infinite coming down the pipeline, I figured this particular modification would be perfect for fans of both franchises. Call of Duty: Zombies is one of the most beloved game modes for the popular FPS series.