Games like Once Upon A Siege

67%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

67% User Score Based on 306 reviews

Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat. Defend the planet from the human scum in the final battle of the series. Anomaly Defenders is a fast-paced Tower … If you enjoyed this game, see our list of games similar to Anomaly Defenders.

90%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, grinding

93% User Score Based on 1,918 reviews

Critic Score 80%Based on 3 reviews

X-Morph: Defense Complete Edition includes: X-Morph: Defense core game, European Assault DLC, Survival Of The Fittest DLC, Last Bastion DLC If you enjoyed this game, see our list of games similar to X-Morph: Defense.

83%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, optimization

87% User Score Based on 1,360 reviews

Critic Score 78%Based on 8 reviews

It’s Knights vs. Vikings in CastleStorm, where medieval warfare meets 2D physics-based destruction! Controlling the battle in real time, players will harness the power of medieval artillery, manage a fearsome ground attack, and cast powerful spells! CastleStorm features a story-driven solo campaign, a custom castle editor, online multiplayer, co-op modes, and more. Building castles and knocking th… If you enjoyed this game, see our list of games similar to CastleStorm.

76%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

76% User Score Based on 868 reviews

MarZ Rising is a tactical base defense game, which lets you discover a completely new gameplay experience of the tower defense genre! Build, manage and defend your martian base. Guide your crew safely through the thrilling campaign and solve the mystery of the undead. If you enjoyed this game, see our list of games similar to MarZ: Tactical Base Defense.

78%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, optimization

78% User Score Based on 2,144 reviews

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the Tauron droids' homeworld against a relentless invasion. Will your Taur stand against the Imperion warmachine? If you enjoyed this game, see our list of games similar to Taur.

65%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:graphics, grinding

65% User Score Based on 161 reviews

Alien Hallway is a totally new action- strategy shooting game for the PC developed by Alien Shooter series makers, Sigma Team company. Here, in Sigma's adrenaline-fueled game, players measure stamina with a never-ending stream of green creatures within the borders of a special military mission. The rules are severe and the fate of Humanity is put on the line. If you enjoyed this game, see our list of games similar to Alien Hallway.

87%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

91% User Score Based on 2,618 reviews

Critic Score 70%Based on 1 reviews

An inventive tower defense/ first person shooter hybrid that pits elite soldier Skye against various forms of alien life on a small set of unique maps. Skye must build and upgrade defensive structures while jumping into the fray to help her creations take down the hostile invaders. If you enjoyed this game, see our list of games similar to Sanctum.

95%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

95% User Score Based on 3,588 reviews

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. If you enjoyed this game, see our list of games similar to Infested Planet.

90%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, optimization

90% User Score Based on 7,913 reviews

In Sanctum 2, you will have to utilize elements of multiple gameplay genres to succeed. Build towers and walls during the building phase before the enemies attack, then jump into the fray and help your towers blast everything to pieces in FPS-mode. You can progress through the single player campaign yourself, or play up to 4-player co-op with your friends to discover the secrets of the planet LOEK… If you enjoyed this game, see our list of games similar to Sanctum 2.

84%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

84% User Score Based on 1,978 reviews

The RTS/FPS phenomenon has moved into space! Build and command fleets of starships for epic space battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant. If you enjoyed this game, see our list of games similar to Executive Assault 2.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:music, grinding

89% User Score Based on 200 reviews

Mineral Defense is a unique blend of tower defense and roguelite gameplay, where the strategic possibilities are endless! Shape the battlefield by unlocking tiles and crafting the ultimate path. Plan intersections and bottlenecks to funnel enemies in the most efficient way. Fight Unique Enemies!Use combinations of towers and abilities to defeat enemies! There are many damaging and support to… If you enjoyed this game, see our list of games similar to Mineral Defense.

70%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

84% User Score Based on 1,196 reviews

Critic Score 45%Based on 5 reviews

An intense virtual reality strategy game, Out of Ammo has you constructing defenses, calling in artillery, issuing orders, and even taking control of your soldiers directly in order to survive for as long as you can! If you enjoyed this game, see our list of games similar to Out of Ammo.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, replayability

78% User Score Based on 243 reviews

Distant future… Brutal gladiatorial battles is a top-rated show, extremely popular all over the Universe. You’ve been sent to the abandoned planet as one of the participants of the show. Your goal is to survive as long as possible, fighting back deadly creatures in the focus of billions of viewers. If you enjoyed this game, see our list of games similar to Pixel Gladiator.

58%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, music

58% User Score Based on 316 reviews

Critic Score 56%Based on 1 reviews

Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets. You will also learn more about the galaxy as you come into contact with ten other species, each with their own unique culture, history and schemes. A full… If you enjoyed this game, see our list of games similar to Horizon.

52%Game Brain Score

Most mentioned positive aspects:graphics

Most mentioned negative aspects:story, replayability

69% User Score Based on 26 reviews

An arcade classic reimagined -- build up your fortifications, place your cannons, and fire at the enemy forces! Improve your Battle Haven with powerful upgrades, including new types of Forts, Technologies, Superpowers, and Summons. If you enjoyed this game, see our list of games similar to Sky Cannoneer.

89%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:graphics, optimization

89% User Score Based on 232 reviews

In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space. MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space. Find, exploit and utilize valuable energy pools to eliminate rival factions. Choose the be… If you enjoyed this game, see our list of games similar to MoonBase Commander.

50%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

50% User Score Based on 1,558 reviews

Have you ever wanted to make a fresh start on an alien world? Eden Star is a survival game that drops you onto the alien landscape of Pharus 7, free to explore and gather resources, but you’ll want to be careful: death is permanent. You need to use resources to construct defences, craft weapons and build up outposts to protect your vital Eden Kit. With physics-based combat, free-form construction … If you enjoyed this game, see our list of games similar to EDEN STAR.

37%Game Brain Score

Most mentioned positive aspects:graphics, replayability

Most mentioned negative aspects:story, gameplay

56% User Score Based on 18 reviews

In this classic inspired Tower Defense Bullet Hell Shooter, security bots have revolted and you, the sole surviving pilot, are all that stands between the colonies and defeat. Upgrade your ship, weapons and turrets whilst facing a plethora of enemies and colossal bosses. Why did the drones turn? If you enjoyed this game, see our list of games similar to Excubitor.

77%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding

77% User Score Based on 158 reviews

A turn-based Galaxy totalwar game. Choose one of 12 factions, direct dozens of admirals, control hundreds of warships, mecha and monsters, set up various buildings, study technology, and lead fleets to carry out grand strategic actions on the map of the galaxy. If you enjoyed this game, see our list of games similar to Chaos Galaxy 2.

Gladiator's Arena is a top-down arena shooter rogue-lite where you play as a gladiator wielding up to 7 different medieval weapons to fight off hordes of enemies. Choose from a variety of upgrades and abilities to create unique builds. If you enjoyed this game, see our list of games similar to Gladiator's Arena.

Turn based combat with immersive ShootingThe core gameplay of Galactic Space Guard is turn-based tactical combat. Position your units cleverly, take aim, and eliminate enemy forces. What sets it apart is a unique twist: the shooting mechanics feel more like a third-person shooter than a traditional tactics game. You manually aim with each squad member, and every shot is calculated individually, t… If you enjoyed this game, see our list of games similar to Galactic Space Guard.

Embark on an intergalactic adventure with Unearthing Invasions, a thrilling 3D Tower Defense odyssey set amidst the vast expanse of space. In this cosmic battleground, resources are precious commodities, and you're at the helm of multiple outposts strategically scattered across asteroid fields and key areas. ENERGY is the lifeblood of your operation, powering your bases and defenses. But beware, … If you enjoyed this game, see our list of games similar to Unearthing Invasions.

82%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, stability

82% User Score Based on 125 reviews

Defend the embers of hope in this roguelike strategy game set in a post-apocalyptic world. Recruit and command workers to gather resources, build your camp and set up your defenses during the day. When night falls, fend off waves of deadly creatures with powerful, upgradable weapons. If you enjoyed this game, see our list of games similar to The Ember Guardian.

83%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:monetization, grinding

83% User Score Based on 860 reviews

Offline Action Arcade Galaxy Shooter game Space combat arena & Spaceship builder If you enjoyed this game, see our list of games similar to Event Horizon Space Shooting.

95%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, grinding

95% User Score Based on 1,107 reviews

Utopia Must Fall is a vector-flavored base-defending arcade shooter with rapid progression, procedurally generated attack waves and enough upgrade variety to suit both the defensive or aggressive player.It incorporates elements from tower defense, roguelites and beyond, all neatly packaged into a laser-sharp bullet-purgatory arcade frenzy! Features Easy To Learn: firing happens automatically, just… If you enjoyed this game, see our list of games similar to Utopia Must Fall.

86%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

86% User Score Based on 81 reviews

Join forces with rebels and their technologies to have a chance to restore freedom in a world that has fallen to the uncontrolled dominance of supreme artificial intelligence. If you enjoyed this game, see our list of games similar to AI Olympius.

81%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:music, stability

81% User Score Based on 806 reviews

The Imperial Navy is called upon to eradicate the last of the rebellion and restore law and order. As an Imperial navy starfighter pilot, you will safeguard imperiled lives thoughout the galaxy. Join the Emperor's cause in eliminating the Rebel uprising as the Empire strikes back! If you enjoyed this game, see our list of games similar to STAR WARS™: TIE Fighter Special Edition.

80%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:grinding, optimization

80% User Score Based on 658 reviews

Bastion of ancient civilization, a keeper of galaxy wisdom is invaded by alien armies. Use powerful ancient technologies and defeat the attack of enemy armies! If you enjoyed this game, see our list of games similar to Ancient Planet.

78%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, replayability

78% User Score Based on 108 reviews

Take command of Naval Strike Group 7 and lead your fleet to victory in full 3D tactical space combat. Star Hammer: The Vanguard Prophecy is a sci-fi strategy saga that will test your skills as both capital assault ship Captain and naval fleet Commander. If you enjoyed this game, see our list of games similar to Star Hammer: The Vanguard Prophecy.

41%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:gameplay, graphics

70% User Score Based on 10 reviews

Starlight: Defence Command is a Tower Defence game designed for the PC that is tough and more in-depth than those gone before. With the ability to configure towers in billions of possible combinations, unlockable perks and fine tuning through target priorities, players are given powerful tools to complete the galaxy-spanning, story-driven campaign. If you enjoyed this game, see our list of games similar to Starlight: Defence Command.

93%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:music, replayability

93% User Score Based on 183 reviews

Build your base. Construct towers, traps, mechs, and other defenses. Command your units in battle. Can you survive the enemy onslaught? If you enjoyed this game, see our list of games similar to Colony Siege.

71%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, replayability

67% User Score Based on 184 reviews

Critic Score 82%Based on 3 reviews

Set in a futuristic Odyssey, The Next Penelope is a fast paced action racing game with loud colors, an original story and a challenging risk-reward system. 
Weapons can be mixed and used at any time, but all these abilities cost vital energy, so the player is very powerful and close to death at the same time! As Penelope is looking for Ulysses through the galaxy, the player is free to explore the … If you enjoyed this game, see our list of games similar to The Next Penelope.

84%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:graphics, grinding

84% User Score Based on 1,214 reviews

Critic Score 85%Based on 2 reviews

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their attention outward, away from the galaxy, to alien threats or opportuni… If you enjoyed this game, see our list of games similar to AI War: Fleet Command.

74%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, stability

77% User Score Based on 900 reviews

Critic Score 66%Based on 3 reviews

Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets. If you enjoyed this game, see our list of games similar to Gratuitous Space Battles.

64%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

63% User Score Based on 729 reviews

Critic Score 67%Based on 6 reviews

Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original game play. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience. If you enjoyed this game, see our list of games similar to Space Run Galaxy.

75%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, monetization

75% User Score Based on 408 reviews

You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses. If you enjoyed this game, see our list of games similar to Artificial Extinction.

85%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:graphics, stability

85% User Score Based on 2,187 reviews

Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them. If you enjoyed this game, see our list of games similar to Executive Assault.

87%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

87% User Score Based on 760 reviews

This Gold Edition includes Silent Storm and the add-on Silent Storm: Sentinels. If you enjoyed this game, see our list of games similar to Silent Storm.

80%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, stability

81% User Score Based on 877 reviews

Critic Score 78%Based on 2 reviews

Tower defense game with a 50-level campaign across 5 worlds. If you enjoyed this game, see our list of games similar to Revenge of the Titans.

71%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, monetization

66% User Score Based on 3,454 reviews

Critic Score 83%Based on 4 reviews

Wisecracking multiplayer action that uniquely blends the strategic depth of a MOBA with intense third-person combat as you fight in a wild battle for fortress supremacy. Orcs Must Die! Unchained is a high-octane PvP action game in which you storm the opposing fortress together with your friends and defend your own base. Your enemies are also sending their minions to your rift – construct a maze o… If you enjoyed this game, see our list of games similar to Orcs Must Die! Unchained.

68%Game Brain Score

Most mentioned positive aspects:story, humor

Most mentioned negative aspects:gameplay, graphics

68% User Score Based on 302 reviews

Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide. Invaders clash against fortified enemy colonies. Yet the greatest danger is the impending annihilation foretold by an apocalyptic prophecy. You must seek out the mysteries of distant alien worlds, and master ancient powers to withstand the comin… If you enjoyed this game, see our list of games similar to Salvation Prophecy.

82%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, atmosphere

82% User Score Based on 688 reviews

One universe, three titles Strike Suit Infinity is an arcade spin-off of Strike Suit Zero, that focuses solely on combo combat. Its single-player alternative, Strike Suit Zero: Director's Cut, provides a 10 hour story-driven, mission based experience with all the same incredible combat. In the Director's Cut, players battle across massive fleet battles where your dogfighting skills will decide Ea… If you enjoyed this game, see our list of games similar to Strike Suit Infinity.

95%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:graphics, story

95% User Score Based on 93 reviews

Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. If you enjoyed this game, see our list of games similar to Rogue Star Rescue.

69%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:stability, optimization

68% User Score Based on 7,582 reviews

Critic Score 71%Based on 4 reviews

Stronghold Crusader 2 is the long awaited sequel to Stronghold: Crusader, the original 'castle sim'. After 12 years Stronghold returns to the deserts of the Middle East circa 1189, with a new 3D engine and realistic castle destruction powered by Havok Physics. Crusader 2 will recapture the original game’s addictive, fast-paced gameplay and authentic castle simulation. If you enjoyed this game, see our list of games similar to Stronghold Crusader 2.

85%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, grinding

85% User Score Based on 140 reviews

Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps. If you enjoyed this game, see our list of games similar to Artificial Defense.

THIS GAME OFFERS THREE IMMERSIVE MODES: SPACHESHIPS BATTLES, TOWER DEFENSE, & FIRST-PERSON SHOOTER - 39 Levels of Spaceships battles - 10 Levels of Tower Defense - 7 Levels of Battles against AI Bosses - 3 Levels of Endless Space Battles Prepare for high-stakes Spaceship Battles where strategy meets adrenaline-pumping action. Throughout the campaign, unlock a diverse array of spac… If you enjoyed this game, see our list of games similar to AI.Cybercraft.

95%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding

95% User Score Based on 144 reviews

A mini action city-builder in a post-post-apocalyptic world. Grow your settlement. Fend off waves of enemies. Restore nature. If you enjoyed this game, see our list of games similar to Existential Treads.

62%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, story

62% User Score Based on 170 reviews

Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer. If you enjoyed this game, see our list of games similar to Planetaries.

88%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

88% User Score Based on 204 reviews

Drone Sector is a futuristic gunship game. Provide close air support by firing variety of weapons at the enemies and guide your allied troops via commands. Keep your troops alive, complete objectives, collect resources and recruit engineers. Research better weaponry for the gunship and the troops. If you enjoyed this game, see our list of games similar to Drone Sector.

95%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:music, character development

95% User Score Based on 116 reviews

A time-traveling autobattler where you assemble the best mercenaries (with the biggest bosoms) to fight off hordes of enemies. If you enjoyed this game, see our list of games similar to Solace Inc..