The weapon is loaded with two rockets and is found near the end of either player's B Scenario, thrown to the player by Ada to defeat the mutated T-103 known as T-00. . An infinite ammo version can be unlocked after finishing the Scenario A of either Leon or Claire in less than two and a half hours without saving and with an A or B ranking. The launcher will then be available in the item box and using it will instantly lower the player's ranking to a B, even if the player meets all other requirements to obtain an A ranking.