Classic Space Invaders arcade game implemented in Java without the use of a game engine.
- Faster paced gameplay with added time system.
- Health point system than traditional lives - it increases more as players can completes a new wave faster.
- The game gets difficult as players moves to new wave - aliens increases their probabilities to shoot their special weapons.
- Tracking players' scores.
- Multiplayer.
- Arrow keys: Move the Player's ship to dodge enemies' fires.
- Space: Fires Player's weapon.
- Enter: Press to execute the menu option.
- p: Pause the in-game
TODO