How to play Upgrade the game on Mac

Upgrade the Game is a game where you can upgrade everything! From graphics,sound, music, menus, to your spaceship....EVERYTHING! Start from a poor game until you achieve the game complete!, Enjoy upgrading all parts of the game, you will need money that you get killing enemies spaceships but, be careful! If they pass the last line of defense you will lose the game! At the level 5 you will engage the Alien Commander Kill the enemies with your shoots and two skills: -Freeze the time -Invoke your image mirror Start from the simply of pixel to the graphics of the spaceships! A casual game for all publics where you can have fun for a time doin upgrades. Features: -Upgrade the interface including main menu, shop menu and tutorial -Upgrade the graphics of your ship , enemy ships, shoots, background and boss -Upgrade the shields,move speed, fire attack speed, speed of coin, the amount of coin and much more -Upgrade the skills,the times you can use it and how many time it is active -Achievements of all types -Decrease the chance of boss appear in the end of the round