Hidden Path Entertainment

It sure looks familiar, but the sequel to 2008's tower defense classic dares to do things a bit differently.

Age of Empires II: The Age of Kings is a real-time strategy (RTS) video game developed by Ensemble Studios and published by Microsoft.

Counter-Strike: Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched 12 years prior.

CS:GO features new maps, characters, and weapons and delivers updated versions of the classic CS content (de_dust, etc.). In addition, CS:GO introduces new gameplay modes, matchmaking, leaderboards, and more.

Defense Grid is a 3D singleplayer tower defense game. You must construct defensive towers of various types on predetermined areas to get rid of incoming alien swarms before they reach your mainframe and run with its power cores.