Code Name - Viper

A Capcom game based on the arcade hit Rolling Thunder. An action game in which we play as a secret service agent on a mission to uncover drug traffickers entrenched in South America. Unlike Contra and similar games, it is not based on combat, but on tactics. You have to move around the level carefully, shooting enemies with care. Ammo is limited, so you need to aim well. Criminals like to jump on your head from the top "floor", so jump up yourself without waiting for them. There are many hidden doors on the stages. Walking through them will give you ammunition, prisoners and a contact, without which you cannot complete the level. You can also hide from enemies behind the doors. Not an easy game, but addictive.