Are you looking for offline action free games ? You are lucky this game is extreme well.With the metal weapons you will be in new mood.In addition it is one of the best offline adventure games.

Metal black ops: metal shooter is a 2D mobile shooter centered around an army of mercenaries trying to finish their mission to save the world, then go home and take a well-deserved nap.
Choose your metal commando, purchase an arsenal of powerful guns and grenades then blow EVERYTHING up.Your metal soldier has armor.Keep up the game and kill the boss.

Choose your commando or mercenaries trying to finish their mission to save the world, then go home and take a well-deserved nap.

Defeat alien forces in this amazing shooting game - Metal black ops: metal shooter
Grab your weapons and face dangerous challenges ahead.

There are different classes, and you'll unlock more as you play along. Whoever you're playing as though, the idea is the same - shoot everything and don't get shot.
Different enemies have different patterns of attack, which is great when you're fighting them one on one, but once there's more than a few on the screen you're going to be jumping and running your way through storms of bullets from every angle.

-Metal black ops: metal shooter is a new game action shooter with classical Run 'n' gun gameplay.
-Use the pad to move around and tap to jump and shoot. Use special guns and character's skill to defeat Alien Forces
-Precise and Customizable Controls!
The Autofire function allows you to fire continuously by holding down the Shot button.
-Colourful, fun, HD graphics with great animation.
-Great music that elevates the action and mayhem.
-Unlock and upgrade 20 guns! Includes weapons you fabricate and collected from defeating Alien Forces
-M4A1
-AK 47
-Shotgun - best weapon to blow Aliens
-M249
-And more weapon help you survival