Alternatively, infinite ammo for every weapon can be bought in The Mercenaries - Operation: Mad Jackal. In Resident Evil 3: Nemesis, combining the item Infinite Bullets with any weapon will grant it infinite ammo.In Resident Evil 0, collecting 100 Leeches in the Leech Hunter minigame will grant the player's weapons infinte ammo.In some games you have ways to unlock Infinite Ammo for a weapon you already have. Resident Evil 3: Nemesis (The Mercenaries) Most Infinite Ammo Weapons are firearms already in the game, just with inifinite ammunition. They are unlocked by meeting secret conditions and are not (typically) unlocked in a normal playthrough. Infinite Ammo Weapons are weapons available in several Resident Evil games to unlock. Please introduce links to this page from related articles.