Initial version. Containing :
- Player Movement ;
- Player leveling and stats ;
- Player powerups and upgrades ;
- Enemies types (Minion, Warrior, Mage, Archer and Boss) ;
- Enemies spawns ;
- Enemies stats ;
- Enemies upgrades ;
- GameManager ;
- 4 player powerups (shoot, lifesteal, floating sphere, spirit water) ;
- UI upgrade for player and enemies.