Games like Planet Defender

Introduction Our solar system has been invaded by an unknown alien force. Much of humanity has been wiped out by this relentless alien threat. Omega protocol has been initiated. The surviving greatest minds of humanity have come together in a last attempt to save humanity from total annihilation. You have been chosen to pilot the most advanced ship man-kind ever created to deal with the alien thre… If you enjoyed this game, see our list of games similar to Omega Protocol: Sole Defender.

User Guide Description: Offworld Defender is a Tower Defence game where you, the player, are a space colony’s last hope against an invading horde of aliens. The player starts off with nothing but a gun – no defences, no backup. Killing the invaders rewards the player with funds to spend on automated defence systems to help combat the increasingly aggressive attackers. Controls:  Move: W, A, S, D S… If you enjoyed this game, see our list of games similar to Offworld Defender.

90%Game Brain Score

Most mentioned positive aspects:emotional, atmosphere

Most mentioned negative aspects:gameplay, story

90% User Score Based on 204 reviews

Travel through space. Attend the planets. Gather resources. Find artifacts. If you enjoyed this game, see our list of games similar to Infinitum.

37%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:gameplay, story

37% User Score Based on 122 reviews

A space and planet flight combat action game. If you enjoyed this game, see our list of games similar to Forbidden planet.

A series of desk toy type games demonstrating various fun and interesting game mechanics. Background music is all my own work and compositions. Press M to mute/unmute music at any time. Press N to mute/unmute sound effects and music in main area only. Press T to reset the active level. Hold O and press 1 through 4 or 0  to access each level. If you get stuck trying to change levels try releasing a… If you enjoyed this game, see our list of games similar to Rummy's Mini-Games.

71%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, grinding

71% User Score Based on 83 reviews

Also Announced at ONL About the GameCongratulations, Operator #8 You have been randomly selected for the ITER Corporation’s exciting vertical ventures department. Drill the pillars that encircle our homeworld, extract essential resources, and try not to get obliterated in the process. If you fail, don’t worry,  your replacement will be along shortly - probably with a better attitude. > … If you enjoyed this game, see our list of games similar to ITER-8.

92%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, stability

92% User Score Based on 142 reviews

While I am a loyal RTS gamer, I feel that the genre’s complexity puts many players off. That's why I've always wanted to create my own grand battlefield in a simplified manner, making it more accessible to potential players and RTS fans. In this stylistic pixel game, players will have access to a variety of buildings that synergize with each other and face an array of twisted insectoids. This game… If you enjoyed this game, see our list of games similar to Frontline Crisis.

Solar System Explorer User Guide HINT: Press X to switch between fly mode and music player control mode. This controls the visibility of the mouse pointer to free it up to control the buttons.  Welcome to Solar System Explorer, an interactive 3D simulation where you can fly through a compact solar system, explore planets, the Sun, the Moon, and an asteroid belt, and enjoy a built-in music player… If you enjoyed this game, see our list of games similar to Solar System Music Player.

Galaxy Too Far gives you control over AI system. The main goal is to be useful for your Creator and you finally found a good planet to make it a resource base. Start your expansion with the most basic structures. Use the mining system to extract resources. Perform primary processing, and then create your first technological materials. While drones help you to transfer fragile materials, pipeline… If you enjoyed this game, see our list of games similar to Galaxy Too Far.

Welcome to the Boss Rush Jam 2021! This is a game developed specifically for the jam, and the theme this year is Self-Destruction. In this game, you play as Namika, a brave fighter who has to destroy all the aliens and bosses in five challenging levels. To succeed, you'll need to use all the weapons at your disposal. You can shoot your regular weapon using the CTRL key, but you can also use a supe… If you enjoyed this game, see our list of games similar to Namika Legend.

62%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

62% User Score Based on 52 reviews

Midnight Acres was built using Unreal Engine 5 and features a beautiful and dynamic day and night system. Daytime Gameplay During the daytime, build and expand your farm and engage in casual and relaxing building & management. Gather resources to upgrade your farm and defenses. Relax by exploring the world for treasures, fishing in various ponds and underground lakes, managing your farm, and … If you enjoyed this game, see our list of games similar to Midnight Acres.

54%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, atmosphere

54% User Score Based on 61 reviews

Close Order is an arcade shooter with one simple goal: become a badass armada! In this mashup of genres, defeat enemies for parts to build up an armada of ships around you. Fight from a distance, charge headfirst into battle, or create a mix of anything and everything. You decide how to play! If you enjoyed this game, see our list of games similar to Close Order.

MAZE CORE A claustrophobic procedural maze runner built for GitHub Game Off 2025 FULL SCREEN IN REQUIRED! MAZE CORE is a fast, atmospheric maze-survival game built entirely in one self-contained HTML file — no external assets, no libraries, no dependencies. Just pure handcrafted HTML5 canvas, CSS3, and JavaScript. Every run drops you into a fresh, procedurally-generated maze packed with haza… If you enjoyed this game, see our list of games similar to Maze Core.

Lunar Base Alpha: Crisis & Opportunity - Game Manual (Rev 1.0) Introduction Welcome, Overseer candidate, to the advanced simulation for Lunar Base Alpha. Survival, not just expansion, is paramount. You must manage your specialized crew and base resources while contending with constant Crises. Your goal is to earn the most Victory Points (VP) over 6 rounds by building facilities, fulfilli… If you enjoyed this game, see our list of games similar to Lunar Base Alpha: Crisis & Opportunity.

Welcome to Operation Earth Shield! Mission Overview: Earth is under attack by relentless Space Invaders, and you are humanity’s last hope! Defend the planet across 3 intense levels, each with unique challenges. Unlock Level 2 and Level 3 by achieving victory in the previous level. Level 3 features 2 stages, complete Stage 1 to advance to the final showdown and save Earth! How to Play: … If you enjoyed this game, see our list of games similar to Operation "Earth Shield ".

ANIGMA Byte is a tense and dynamic game that challenges your reaction and coordination. You are the last byte on whose digital shoulders rests the fate of the entire operating system. A critical error has caused chaos in the simulation, turning everything upside down. If you enjoyed this game, see our list of games similar to ANIGMA Byte.

There are various copies, missions, a large number of equipment, weapons, ammunition, cold weapons, professions, skills, various monsters, and bosses. Compared to previous my games, the biggest difference in this game is the first use of real-time online cooperative combat mode for clearing levels. Players can play solo or form teams, add friends with other online players, and chat. Teams of up… If you enjoyed this game, see our list of games similar to 闪客快打8武装行.

The Earth and the Sun were destroyed, and the remnants of humanity extended their lives in space colonies. All colonies live by the energy of happiness, which with the help of the latest smile-to-fly technology can be used as rocket fuel.On the way of developing your own settlement, you will have to produce resources: virtual gold, electricity and happiness, and proper dispose of them for the bene… If you enjoyed this game, see our list of games similar to Smile To Fly.

Space Titanic: Gremlin DutyMade for Brackey's Game Jam 2025.1 Welcome aboard the Space Titanic, the most luxurious interstellar cruise liner ever built! As a fresh-faced junior repair technician, you were expecting an easy shift in the ship’s underbelly, maybe a little routine maintenance—nothing too exciting. But tonight, you've drawn Gremlin Duty. Tiny, mischievous space gremlins have infest… If you enjoyed this game, see our list of games similar to Space Titanic.

Ear Hacker A cyberpunk aural training and rhythm game created by one person in two weeks. Wow! Known issues: The web version has noticeable audio lag on some browsers, which makes rhythm puzzles extra tricky. Try a different browser or download the game. The game gets stuck when starting a new mission again after completing one. Restart the app or reload the page before starting another mi… If you enjoyed this game, see our list of games similar to Ear Hacker - Jam Edition.

45%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:gameplay, graphics

59% User Score Based on 27 reviews

Pirate Patrol is a strategy -and tactics- driven science fiction space combat game with deep RPG elements, set in the lawless regions of space. Players take command of a powerful capital ship and fight to survive against enemy fleets, autonomous warships, and constantly evolving threats. The game blends real-time space battles with procedurally generated missions, enemies, and systems, ensuring… If you enjoyed this game, see our list of games similar to Pirate Patrol.

69%Game Brain Score

Most mentioned positive aspects:emotional

Most mentioned negative aspects:story, music

69% User Score Based on 80 reviews

A game with a futuristic anti-utopian story — a hardcore space shooter with RPG elements. If you enjoyed this game, see our list of games similar to It's time to get out from the solar system.

59%Game Brain Score

Most mentioned positive aspects:music, emotional

Most mentioned negative aspects:story, gameplay

85% User Score Based on 20 reviews

Retro Hacker simulates hacking from a computer terminal with a text based operating system. If you enjoyed this game, see our list of games similar to Retro Hacker.

34%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

34% User Score Based on 119 reviews

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. If you enjoyed this game, see our list of games similar to The Sentient.

88%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:music, grinding

90% User Score Based on 3,658 reviews

Critic Score 85%Based on 3 reviews

Pilot drones into derelict spaceships to find the means to survive and piece together how the universe became a giant graveyard. If you enjoyed this game, see our list of games similar to Duskers.

68%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, grinding

68% User Score Based on 223 reviews

"Axiom Soccer represents a new generation of high-adrenaline digital sports, combining the best of real world ball games and third person shooters. Start scoring goals within minutes, and hone your shooting skills and team tactics to eventually play tournament matches in front of a live, virtual, in-game crowd." If you enjoyed this game, see our list of games similar to AXIOM SOCCER.

57%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:music, graphics

87% User Score Based on 16 reviews

Gravity Vector is a challenging game where the player's main objective is to reach a target wormhole aboard a capsule, while facing different obstacles such as planets' gravitational pull, hostile entities, asteroids and more. If you enjoyed this game, see our list of games similar to Gravity Vector.

40%Game Brain Score

Most mentioned positive aspects:story

Most mentioned negative aspects:gameplay, graphics

40% User Score Based on 160 reviews

Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system. Establish a first self-sustaining colony on the Red planet with ultimate goal of terraforming Mars. Play three story campaigns all at once: terraform Mars, fight on Ceres and explore Ganymede. If you enjoyed this game, see our list of games similar to Earth Space Colonies.

92%Game Brain Score

Most mentioned positive aspects:gameplay, replayability

Most mentioned negative aspects:optimization, grinding

92% User Score Based on 1,198 reviews

Fight climate change and save the world! If you enjoyed this game, see our list of games similar to Beecarbonize.

65%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:monetization, replayability

64% User Score Based on 74 reviews

Critic Score 70%Based on 1 reviews

All the planets in the system have suddenly decided that the galaxy isn’t big enough for all of them! You’re not sure who launched the first missile and it doesn’t really matter! You’ve got nothing to do with it… you are just… the satellite repairman! If you enjoyed this game, see our list of games similar to Satellite Repairman.

69%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, optimization

69% User Score Based on 198 reviews

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men. If you enjoyed this game, see our list of games similar to Beware Planet Earth.

68%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, story

72% User Score Based on 46 reviews

Play as an alien with super powers in frenetic battles against the army, destroy building, smash, fly and improve your character in order to annihilate humanity. They will try to stop you with their soldiers, F15, Giant mechas, warships or tanks, but it is going to be useless against your power. If you enjoyed this game, see our list of games similar to The Siege of Brimir.

68%Game Brain Score

Most mentioned positive aspects:humor, music

Most mentioned negative aspects:story, grinding

100% User Score Based on 19 reviews

Wave after wave of evil capitalist alien spaceships are trying to destroy the earth because… well..they hate it :( But Laika, the first dog to go to space has come to the rescue! She's here to defend the endless waves of spaceships with her ever growing arsenal of weapons. Defeat spaceships to get XP and level up! The more and bigger enemies you defeat, the more XP you'll get. Every upgrade is ra… If you enjoyed this game, see our list of games similar to Laika's Space Defence.

Every planet features three unique technologies that shape its identity and its style of play. Some focus on control, others on survival, mobility, environmental manipulation, or raw defence. Learning how each world responds to your commands is essential if you want to push deeper into the chaos. The destruction surrounding you is never static. Every threat reacts to the increasing pull of th… If you enjoyed this game, see our list of games similar to Orbital.

61%Game Brain Score

Most mentioned positive aspects:humor, grinding

Most mentioned negative aspects:replayability, optimization

100% User Score Based on 12 reviews

You just returned from a vacation in planet Earth. You wanted to stay longer, but you did not have any more vacation days left... Instead, you bought a Human Souvenir to relive your memories of interacting with Earth Humans. And, of course, to impress your colleagues that you own a Human now.  Human Souvenir is an arcade toy-like game in which you are tasked with fulfilling the ever-changing need… If you enjoyed this game, see our list of games similar to Human Souvenir.

Expedition: Backrooms is a co-op survival game built around an original Expedition Survival formula, set in an open-world interpretation of the Backrooms. Prepare expeditions, uncover the story, expand your base, gather resources, and make it back alive - everything you carry beyond the safe zone can be lost forever. The entire game world exists as one continuous space connected to your base - th… If you enjoyed this game, see our list of games similar to Expedition: Backrooms.

Try Out of Order for free! Colours rise up from the ground, unordered, on spawner towers. You must quickly sort them and make sure they don’t go down into the wrong tower. Once arranged correctly, you’ll be rewarded with coins. Use these coins to buy items from the shop. Items make completing levels much easier. Higher rounds yield cheaper items and more coins. How many rounds will you s… If you enjoyed this game, see our list of games similar to Out of Order zero.

Darkness Falls Again — The Return of “Abyss Night” Centuries ago, the skies turned crimson and monsters poured into the world. That night, the world was nearly consumed by a force known as the “Abyss.” Now, the catastrophe once sealed away by legendary heroes has returned. Protect the Crystal. Darkness once again blankets the land, and each night, stronger monsters surge forth through dimensi… If you enjoyed this game, see our list of games similar to Abyss Defence.

Blast back to the golden age of arcade shooters with Galaxian Remake! This isn't just a port; it's a lovingly crafted reimagining of the beloved 1979 classic, supercharged with modern features and exhilarating, non-stop action. Take control of your agile starfighter and defend humanity against waves of relentless, diving alien invaders. Experience the timeless thrill of Galaxian with e… If you enjoyed this game, see our list of games similar to Galaxian Remake.

Scrapheap Shuttle is a sci-fi themed shoot-em-up game with puzzle elements, where you guide your spacecraft through outer space and waves of aliens in an attempt to get to the Interstellar Academy before you're too late. Set in an alternate universe where humans have populated most of the nearby galaxies, and regularly commute via space-travel to reach places of employment and/or learning. Al… If you enjoyed this game, see our list of games similar to Scrapheap Shuttle.

Lost at sea on a strange alien planet called Earth, your goal is to return to your home planet Circanoid in a galaxy far, far away. Fight your way through a number of challenging levels and ultimately defeat the ancient Guardian lurking in the depths of space. Unlike traditional games in the Breakout genre, your paddle moves in a circle rather than left and right, making for an interesting challen… If you enjoyed this game, see our list of games similar to Circanoid.

About: This is a simple short 2D pixel-art platformer with a premise that fall damage now exists and in game it is explained by your character having glass-like fragile knees. Your goal is to get out of the cave you are in by traversing a number of levels you find. Each level was hand created and holds a special feature about it. What is that feature? Is it shortcuts, punishing routes or misdirect… If you enjoyed this game, see our list of games similar to Broken Knees.

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.

SUPER ACTION! SUPER FUN! SUPER MIGHT! SUPER NOVA! Nova Boltstar is the pixel-perfect video game that's out of this world! Play as Nova, a cyborg princess who must fight her way through the Techno Tourney to save her kingdom, Cybervania, and her brother, Alaric, from the evil Xandra Blackwood, who is madly in love with him and seeks to force him into marriage and take over Cybervania if she wins! … If you enjoyed this game, see our list of games similar to Nova Boltstar.

 Players find themselves thrust into a world teetering on the brink of catastrophe. The relentless advancement of technology has led to an overabundance of space debris, pushing humanity perilously close to the Kessler Effect—a catastrophic chain reaction of collisions in Earth's orbit that would render space travel and communication impossible. As the player, your mission is to embark on a high-… If you enjoyed this game, see our list of games similar to Techpocalypse.

Alone or with friends, your mission is to survive the dangers of space. Build a space station strong enough to defend against enemy attacks. You start your journey stranded in space, where you were blasted off your space shuttle moments before. You are on your own but luckily equipped with an energy laser that allows you to gather much-needed resources to build a sustainable space station. Wi… If you enjoyed this game, see our list of games similar to Beyond Hope.

46%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:graphics, gameplay

75% User Score Based on 12 reviews

Invader TD is a side scroller tower defense, where the player is in the role of an alien race with the purpose of infecting and dominating the earth, but for that you must protect yourself from the attacks of the humans, who are trying to destroy you. If you enjoyed this game, see our list of games similar to Invader TD.

Invasion From Space is a 2D little game inspired by Space Invaders with a more dynamic gameplay and some physics for fun. In Invasion From Space You control a plasma canon and try to stop alien invaders from reaching the earth. Survive as long as you can The goal is to get the highest possible score by surviving as many waves as possible. To defeat a wave you have to shoot all the enemies. The d… If you enjoyed this game, see our list of games similar to Invasion From Space.

https://store.steampowered.com/widget/2091840/ A 2D Space shooter and turret defense using orbiting turrets!  featuring the epic dark synth music by Karl Casey @ White Bat Audio For more epic music check out https://karlcasey.bandcamp.com/album/vengeancePlay the full game on Steam! Intro Welcome to the Planetary Defense Agency! You are in charge of the planet's defense from space rocks and… If you enjoyed this game, see our list of games similar to Planetary Defense: An Orbital Turret Defense System.

Turret Girl is a romantic visual novel about her struggles to find love and acceptance in a hostile world, with a Match3 Jewels mini-game to break up the action. If you enjoyed this game, see our list of games similar to Turret Girl.