Upgrade the game 3: Spaceship

Jan 13, 2019

-4 new types of enemies with different ways to enter into the battle!
-Now you will earn more upgrade experience and gold as you progress in the game. Prices scaled accordly
-Finally fixed a bug after the special attack that make you fly without enemies
-Fixed a bug that was showing incorrect numbers of cards in travel mode
-Fixed a bug on lasers. Now they all work properly
-Added a button in the pause menu to end the game
-More bug fixes