Features:

- Now a shopkeeper appears between waves, buy items from him to get stronger!

Power-up list:

- Reload Speed.

- Attack Speed.

- Bullet health.

- Bullet damage.

- Invulnerable time after takes damage.

- Explosive bullets.

- Extra bullets (more bullets per shoot).

- Teleguided bullet (Not working now.

- New enemies as the game progresses.
- Some graphical updates (HUD, Scenery, Main menu BG...).