Empire Earth vs They Are Billions
Empire Earth
Empire Earth lets you take the reins of a newborn civilization and nurture it so it'd grow into a formidable empire that can eventually dominate the globe. But of course, your rise to power will not go unchallenged, so expect the need to flex your military muscles from time to time or employ some diplomatic action to ensure the expansion of your empire. As you go through various eras until the final, hypothetical "nano era", you'll need to invest in upgrading your technology both for your normal citizens and for your military just so your empire can keep up with the times and have both military might and economic strength growing in tandem. Multiplayer is also available but only through LAN.Empire Earth may not have been as popular as Age of Empires, but it is still a pretty renowned real-time strategy game back in the day. If you love the genre, you'll definitely enjoy playing this game.
They Are Billions
They Are Billions is a hardcore, steampunk-themed empire-building/ real-time strategy game that is set in a dark and gloomy post-apocalyptic world (Not Earth). The game plays out like an actual RTS whereby you need to not only develop your castle into a sprawling empire, but also manage your empire's resources and defenses, and making sure that none of the billions of zombies out there are able to infiltrate your defenses... or things can easily escalate from having a single zombie to deal with to an entire horde.This indie game made waves in the gaming industry mainly because of its unique zombie system. As you all "The Walking Dead" fans should know, whenever a zombie attacks and kills a human, the plague that's around will reanimate the fallen corpse and turn it into a new zombie. This system is implemented in this game, making even a single zombie that had made it past your defenses a very costly mistake. That's not taking into account the periodic zombie invasions which usually consist of a massive swarm of zombies, some of which are tougher to kill than most, that sub-par defenses won't be able to handle.
They Are Billions is definitely not the sort of strategy game to play if you simply don't have the time or the patience to figure out the best strategy to protect your population from the many infected out there. However, if you're the sort who is always up for a challenge, you might find this game a rare delicious treat!