Defend the Earth - Bosses and Lasers Update

*New Update*

You survived once against regular alien ships, but can you beat the boss? New boss ship added to the game that spawns around the 7 minute mark. If it reaches the Earth, it will deal maximum damage and the game will be over!

To aid you in your fight, you can now purchase a defensive laser that fires from the Earth's surface. This laser, available once you reach level 10, will automatically shoot at the nearest ship to the Earth.

Due to changes made in this update, highscores from previous versions will no longer be eligible. See description for new Dev Highscores to beat.

Description

Defend the Earth is a 2D space survival shooter with Innovative Controls!  Your mission is to defend the Earth from aliens trying to attack it. As the game progresses, the Earth's population will grow; the maximum population reached will be your final score.  As you grow, you will earn upgrades that can improve your ships weapons, engines, or the planet. 

How long will you survive? Post your highscores, final level, and the difficulty you played at in the comments below.

Estimated play time: 5-15 minutes.

Controls

Mouse Position - Control Ship's Rotation          Left Mouse Button - Fire

WASD - Move Ship      Spacebar - Boost Forward     

ESC Key - Pause/Unpause             F11 - Fullscreen

Devs Highscores To Beat!

Normal mode - 89,458

Hard mode - 54,642

Additional Credits

All graphical art assets (excluding background), sound effects and custom fonts - Kenney https://kenney.nl/assets

Main menu and End screen music - Brandon Morris (HaelDB) https://opengameart.org/users/haeldb?page=3

Main Game Music - yd https://opengameart.org/users/yd

Boss Music - AudibleDread https://audibledread.wixsite.com/audibledread

Background Stars - Bonsaiheldin https://opengameart.org/users/bonsaiheldin

Constructive criticism, feedback and ideas for new features encouraged and appreciated.