18 Games with a sci-fi setting like Idun: Frontline Survival that you should try

Command & Conquer 3: Tiberium Wars is a real-time strategy game developed by EA Los Angeles. It is the third game in the Tiberium sub-series and continues the plot of Tiberian Sun. ###Plot The year is 2047, 17 years after the events of the Firestorm Expansion pack.

In the near future, mankind has opened the way to the stars – made possible through the use of droids, able to operate in the hostile environment of the deep space. However, both spaceships and droids are dependent on ‘Neonium’ for their power.

Gratuitous Space Battles is a mix of real-time strategy and tactics of Tower Defense, altogether featuring a science-fiction setting of space warfare.

Anomaly: Warzone Earth is a real-time strategy based on tower defense genre principles. However, instead of protecting your base from waves of enemies, in this game, you try to break into aliens' facilities.  The story is set in the near future when an alien spacecraft falls on Earth.

###Impulse A real-time strategy developed by independent developers from Arcen Games. The game first appeared on the public in 2009 on the developer's site and the Impulse site, and later appeared on Steam in version 2.0.

Get ready to experience a revolution in tower defense that will send you spinning. Unstoppable Gorg challenges you to defend the solar system from fearsome aliens by sending satellites into orbit. Unlike other tower defense games, in Unstoppable Gorg you can move your towers by rotating the orbits that surround planets, moons and space stations.

About This Game Maia is a strange and hostile alien world, toxic to humans, yet lush with new life. Your mission is to colonise this poison eden, survive it's dangers and establish humanity's first foothold in the stars.

Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy. The enemy is closing in around you. Your soldiers are being flanked and the perimeter is slowly collapsing under a vicious alien assault.

###Microsoft’s tower defence The game is one in the genre of tower defense, developed by Hidden Path Entertainment for PC and Xbox 360. Later it was ported to the Mac, and for other consoles in 2013.

Revenge of the Titans is a sequel to Titan Attacks! In the previous game, aliens who arrived from Titan on huge spacecraft to destroy us, were successfully stopped. But they flew again - to avenge the defeat. This time they prepared a full-scale landing on the surface of the planet.

Harvest: Massive Encounter is an award-winning real-time strategy game with battles of epic proportions and a unique style of resource management and exploration.

Gratuitous Tank Battles (GTB) is a unique hybrid of tower-defense, strategy, simulation and RTS. Set in an alternate history timeline where World War I never ends, you are the commander of allied forces fighting right up to the year 2114, where Mechs and lasers are used alongside tanks and rifles.

This game is a genre of naval strategy with elements of tower defense from the Russian studio Unigine Corp. The game uses the graphics engine Unigine, which is known by most gamers thanks to the benchmark Unigine Heaven.