Games like Sierra Ops - Space Strategy Visual Novel

Your job is to destroy as many enemy ships as possible with your giant laser, but it only fires once per day! Travel through the galaxy destroying the rebel army one shot at a time in wonShot!

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their homeworld... Titan Attacks has the same easy-to-learn and addictive gameplay of the classic arcade shoot 'em up, but is packed full of extras - new features, new...

Furious Angels is a brutal score attack shooter with different waves each day. Compete on the leaderboards, transform into a flying tank and shred the skies to pieces!

Fight over the Earth-like planet of Seventia and its scarce resources of Septonium. A vertical shoot ’em up at its core with an added focus towards immersive storytelling. Follow the story of Alex and Margaret, two exceptional pilots, for the first time on Steam.

Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!

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.

A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.

this is a tower defence game,we need upgrade our weapons to fight waves of enemies,robots can mining diamonds,and we need spent those in many aspect，features of this game: 1 return back before dager comes,2tempory upgrade are important but permanent upgrade are better

6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!

Why play shoot 'em ups one ship at a time? Launch them all at once! Unleash an entire armada of ships in Shoot 1UP!

The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.

Operate disc hovercrafts that absorb enemy bullets to charge up your weapon. This is a vertical STG game. Correct timing of your attack and choice of bullet determines your survival or defeat.

Old friends and bitter enemies await as you invade Earth alongside a Mothership full of alien friends! Blast, beam, and bite your way through an endless swarm of enemies as you and up to three of your fellow hominids cause mayhem with a huge arsenal of weapons, mutations, and acrobatic maneuvers.

Equip your battleship's guns, install faster engines, and increase the power of your reactor. Throw a barrage of rockets on hordes of enemy ships, burning everything in your path!

Arcade hit Raiden first left its mark on the shooting genre 25 years ago. The easy to learn, hard to master series comes to the PC in its most modern and advanced form yet! Join the war for Earth's future-where the tide of battle holds constant surprises.

You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens. Persist them as long as you can.

We're happy to present a new game in the Alien Shooter universe! Get prepared to unique tactical gameplay, lots of monster types and 8 fighter types allowing you create your own style of completing missions and defeating bosses.