After completing the game, New Game+ becomes available. You carry over all your weapons, upgrades, Lei, and crafting materials. This allows you to tackle higher difficulties with a significant advantage or simply enjoy a more powerful playthrough. The Extra Content Shop (accessed from the main menu) allows you to spend Challenge Points (CP) earned from in-game achievements. Unlock infinite ammo for your favorite weapons, new weapons like the WCX assault rifle, character models, concept art, and visual filters for replayability.
Much like the progression system in Resident Evil 7: Biohazard, completing the campaign unlocks an item shop where You can spend points on powerful infinite ammo weapons.