Defend your PC from the various virus threats! Be careful, Defenders that have stayed
too long on the battlefield will cease to function as a result of over-exposure to viruses.
Enjoy experimenting with different upgrade combinations to create the strongest combos!

Controls & Tips

Left Click a tower to select it and than Left Click again to place
A tower can be Unselected by moving the cursor off-screen

Left Click on a placed tower to open the upgrade screen where you can
Left Click again to select and drop upgrades

Towers have a lifetime of 5 WAVES. Once this time passes, they lose all function and upgrades.
The arrows on the upgrade screen are an indicator of how long the towers have left

RED upgrades are attacks the tower will fire.
BLUE upgrades are modifications that will apply to the next attack

Escape, Space, and P all open up the pause menu and close most other intrusive menus.
There is a yellow tab on the Top-Right that lets you open and close the tower window.

BUGS

If you find yourself unable to close a menu, opening the pause screen a few times should fix it

Try not to place towers on the right side of the screen where they would cover up the
tower placement menu

Credits

"Getting it Done" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/by/4.0/ 

Shader from Godot Shaders - the free shader library.
Licensed under Creative Commons: By Attribution 4.0 License
https://godotshaders.com/shader/vhs-and-crt-monitor-effect/

Shader from Godot Shaders - the free shader library.
Licensed under Creative Commons: By Attribution 4.0 License
https://godotshaders.com/shader/pixel-perfect-halo-radiant-glow/