What's the difference with: https://bd-games.itch.io/tower-defense-simple?
Space Tower Defense
A downloadable game for Windows
Space Tower Defense is very wonderful and special in this Strategy game category! Let's play Space Tower Defense - The game where you are a powerful general making strategy wisely to command your cannons and defend your tower against waves of aggressive enemies. This tower defense game has diversified mission system with many levels of difficulty waiting for you to conquer. Space Tower Defense is one of the best strategy / arcade games that you should play! You may have played many of tower defense games, but Space Tower Defense has tons of different challenging maps. Each map has its own unique that always ready to test your skills. This tower defense game must be the best one you ever have. Space Tower Defense is a 100% free tactical game.
HOW TO PLAY
* Consider carefully where to place you defensive units
* Prepare carefully strategy for the first waves coming
* Never forget to upgrade your defense system by build tower in Factory
Keep your tower safe during the war. Destroy all enemies and protect your tower is your mission. Please keep your spirits and fight hard! Download Space Tower Defense, just become a best legend of defender, enjoy and have fun!
In order to download this game you must purchase it at or above the minimum price of $1 USD. You will get access to the following files: