Enough use of currency to use without rejuvenation

Metal Guns – Super Soldiers is a 2D mobile shooting game where you play as a commando and try to complete the mission of saving the world.
Choose your assault identity, buy powerful guns and grenades, and blow everything up.
Game features:
24 levels with 3 levels of difficulty to choose from
3 powerful characters
7 Big Boss Challenges
18 types of firearms to choose from
3 melee weapon options
Can use throwing weapons
Character growth mechanism