- Technology cards give you a permanent bonus while in your hand.
- Weapon cards let you fire your weapons at your enemies.
- One time attack: Choose a weapon card -> Tap on a spot -> Your weapons fire.
- Most weapon cards are limited in time. As soon as one of your weapon cards has run out., tap the card at the bottom left of the screen. Then tap where you want to place it.
- Area attack: Choose a weapon card -> Touch and Hold on a spot -> Several missiles are fired in a row.
- Global Attack 1/2: Global attack ready -> Choose a card (if you haven't already).
- Global Attack 2/2: Slide two fingers downwards -> Several missiles are fired.
- Touch the card to place it at the top of the draw pile. Dangerous enemies drop more powerful cards!
- Consumable cards are not part of your deck. They can only be used for one game.
- Your deck holds all the cards you can play during a game. It is automatically made up of your 50 most powerful cards. You can win new cards by defeating enemies or you can buy some in the shop.
- Complete missions during a game to increase your multiplier. Press the pause button to display the missions list.
- Buy and upgrade a token to be able to collect it during a game. Time Freezing tokens freeze the weapon cards duration for a limited time. Energy tokens give you an energy bonus for your Orbital Stations.
- Weapon cards usually have a limited duration. However, Elite cards, as well as technology cards aren't limited in time.
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