Top similar games like System Siege:

C-Wars is pixel action game with strategy, rogue-like flavor, and a 16-bit graphics which is retro enough to bring you back to 90's. If you love challenge, pixel art, and occasionally play FPS, then C-Wars is worth to try out.

Fly an airship, manage a guild, and defend your sky world from literal destruction.

Bot Colony is the only game controlled by speaking or typing. You command robots to move and manipulate objects. The right questions unlock videos of the events they witnessed. No dialogue trees - the game unfolds 100% based on what you say, taking interactivity and immersion to a new level.

The world’s first MOSA (Multiplayer Online Sports Arena) is now available on Steam Early Access!

Servo is a sci-fi RTS from some of the key creative talent behind the beloved Age of Empires series. Design your team of giant war machines with parts earned in battle, deploy them into white-knuckle RTS combat, and destroy the opposition in PvP or cooperative scenarios.

SpyParty is a competitive espionage game about subtle human behavior. A Spy hides in plain sight at a fancy cocktail party, trying to accomplish missions while blending in with the other guests, while a Sniper with a single bullet looks inward, searching for the Spy.

Caves of Qud is a science fantasy roguelike epic steeped in retrofuturism, deep simulation, and swathes of sentient plants. Come inhabit an exotic world and chisel through layers of thousand-year-old civilizations.

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Forsaken Fortress Strategy is a squad based, survival strategy game focused on base building and scavenging.

Play as a pixel adventuring through image files in a digital world where physics aren't constant. Run, jump, flip upside down, and rotate your gravity. Use weapons to destroy other pixels before they destroy you. Collect bits of data from challenging locations to find out why your world must survive at all costs.

Flamberge is a tactics RPG featuring free movement and simultaneous turns. Players plan out their moves ahead of time, then during execution, both allies and enemies will act at the same time.

Escape Machines is an addictive Science Fiction single/multi-player/co-op adventure shooter in the near future! Artificial intellect and robots fight against their creators. You must take control of the robots and save people.

Force of Elements is the game of head-to-head combat where your field of battle is a match 3 gem board. Choose a unique hero, swap gems to unlock elemental mana and annihilate your opponent in fast-paced battles that will leave you hungry for one more round.

Steam Marines 2 leaves you in charge of the I.S.S. Delhi, ready to take back your space station.

Old-modern-school shooter with a focus on the player. Play one of the fastest multiplayer games out there with dozens of weapons and a challenging recoil. Play fast. Play the past!

Start a journey in Garlock Online with your friends collect items, fight numerous devastating monsters, get achievements.

Space is easy... Prepare for Earth.Beyond Flesh and Blood is the harsh shooter designed to push your skills to the limit.

Erwin's Timewarp is an Adventure game in which the player controls the dog named Erwin, the pet of the scientist Dr. Zachory. He has invented a time machine with that Erwin was transferred to the time 1984 by accident. In order to come back to present time Erwin has to find parts of a time machine.

Cat Simulator is a fun first person-cat video game. Your goal is to chase rats and mice, break things, eat, and do other things that cats do... You will experience the joy of hunting mice and rats while racking up points by knocking things over. Cause as much destruction as you possibly can!

Dark Storm: VR Missions is a single-player stealth/action game in which you take control of Amber Kingsley, a new security recruit at the Irving Apex Research Facility. Before beginning her work, Amber must first undergo VR training where her skills will be pushed to the limit.

In Game Tycoon 2 you find yourself in the middle of the big players. Get into the act and experience the fascination of the game development. Reach your goal and become the Game Tycoon!

Timber and Stone is a procedural city building game set in a medieval fantasy world. With over one-hundred resources to gather and craft, Timber and Stone has the feel of a real time strategy game, but with much more depth and complexity.

Shadow Corps is a turn-based tactics game where you command a squad of elite soldiers on a mission to stop an ancient danger. Fight your way across the galaxy, craft and equip your troopers with cutting edge gear and use cunning tactics to defeat your foes. Are you ready to take command?

Play as an A.I tasked with helping mankind explore the vastness of space. Customize your ship, recruit a crew, battle alien vessels, research new technology and explore randomly generated universes.

Life is Hard is a godsim town simulator game developed by a two-man-team. Your main aim here is to manage your town. Expand your domain, prevent famine, make war, trade with others, attract new people. Make history!

The Battlefield Card Game with a roguish community. Come join us and immerse yourself in an alt history Steampunk universe where the impossible is possible. Choose the faction that complements your play style, build a devious deck & battle your opponent across the deadly battlefield.

Rise of Keepers is a mix of the best Old School RPGs and Tower Defense games. Explore a huge map, get resources, build structures, fight powerful enemies, loot and the most important. Protect the Crystal!

Zero Gravity is a beautiful first-person/third-person puzzle-platformer simulation game where you will undergo four types of game modes. (Zero Gravity is being recreated, find more info in the 'Early Access Description')

Blood of Magic is a small open world role-playing game with turn-based battles. Other elements include crafting, town management, recruitment, and exploration which help improve your experience in Auguston.

Hybrid Beasts is a unique cross-genre game where you explore, conquer and defend an open world full of adventures, quests and secrets. Up to 6 players battle with teams of never before seen creatures in an explosive yet strategic couch-multiplayer fun!

Evertown is a RTS (real-time strategy) game with some survival elements. The goal is to raise your town to make it safe (the longest you can).

Forever Humble PDX via Skinny Jean Death Studios in collaboration with Porcelin Labs, presents FLOBE, an unique game with an emphasis on quick pick & play action and casually intense gameplay! Use both analog sticks to control the blue line's position and length!

Worlds of Chaos: Invasion is a single player, party based open-world tactical RPG with a strong emphasis on exploration, tactical real-time-with-pause combats and party creation. It has a deep, fun and intense combat system that will challenge you to your limits, and will make clever decisions count.

Something has gone terribly wrong in TRAPPED Alaska. Except for you, and a handful of survivors, the whole town has been emptied. Everywhere, what should be water has been replaced by a black semi-sentient sludge that seems to change everything it touches. And it’s rising...