The Combat Shotgun, for example, can equip either Sticky Bombs or Full Auto as its weapon mod, and you can swap between the two at will if you acquire both. Each weapon has two mods to choose from, and each mod has several upgrades for itself. By walking up to these robots and interacting with them by pressing R3, you can acquire a new weapon mod for a weapon of your choosing. How to Upgrade Weapons in Doom EternalĪs you make your way through Doom Eternal’s campaign, you’ll come across floating robots that carry weapon mods.
Thankfully, upgrading weapons in Doom Eternal is fairly simple, and it happens frequently over the course of the campaign. Each mod serves a different purpose, and they can make certain weapons much more useful in certain situations. Each weapon in Doom Eternal has multiple different weapon mods, which are the main weapon upgrades in Doom Eternal. There are tons of weapons in your arsenal in Doom Eternal, but knowing how to upgrade these weapons will make your demon killing endeavors much more efficient.
