In this game you have to destroy your enemy's mothership, and to protect yours. Each ship has its own characteristics, and it's important to use the right ship against the different enemies. First you have to finish the campaign mode, before continuing in the conquest mode. You can eventually skip levels, but this is not recommended. Choose your race and degree of difficulty. Click on a position on the map to start playing a level. After each mission you earn money,
Use Q/W to change unity and the left and right arrow keys to move around. Use the up/down arrows to change lanes. Press the spacebar to build the selected unity on the chosen lane. You can also play this game with your mouse.