Added features:

• 4 rooms now with semi scaling difficulty
• Ships that will trade with you if you have the thing they want.
• Some planets have civilians that you need to protect from troop transports.
• Move to next room when you power up all the shield generators, this will also give you loot.
• Two new ships with new abilities
• Asteroids can be destroyed to loot minerals or gas which can be used to power shield generators or traded.