Reward Systems

1. Daily Login Reward

Reward could be in game currency that lets players buy new ships eventually. Examples of what this valuable in game currency that can be granted through daily login and advertisements could be called -

1. Stardust
2. Gems
3. Void Shards
4. Crystals
5. Galactic Fractals
6. Light Matter
7. Comet Cells

2. Daily Quests Examples -

   1. Type 200 letters.
   2. Unlock a new planet.
   3. Get 1 perfect match (never lose a life in that level).
   4. Destroy 5 other obstacles using Vulcanian Obstacles.
   5. Freeze 10 obstacles using cryogenic obstacles.
   6. Destroy 4 Gargantuan Asteroids.

3. Weekly Quest Examples -

   1. Type 3000 characters.
   2. Destroy 30 Gargantuan asteroids.
   3. Have 5 perfect matches in a row (1 perfect streak).
   4. Have 7 perfect streaks.
   5. Freeze 80 asteroids.
   6. Burn 120 terrestrial moons.

4. Materials dropped on destroying enemies -

   1. Gravel - Terrestrial types.
   2. Magma - Vulcanian types.
   3. Ice - Cryogenic types.

Maybe Gravel + Magma + Ice can be combined and crafted to make in game currency.