Games like Archon-9 : Alien Defense

This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.

A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.

Command automated military defenses, upgrade your fortress, and survive massive zombie waves in this action-packed idle defense game. Build powerful defenses, unlock upgrades, and hold the line against endless undead hordes.

Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!

Biovoid is a creature-building roguelike game where you slay hordes of hostile aliens. Combine a variety of cells and mutations to create game-breaking builds and evolve from a fragile hatchling to a deadly predator.

Mine by day, defend by night. Master 25+ spells, sell rare ores for gear upgrades, and grow stronger each run in this procedurally generated roguelite tower defense. Enjoy full controller and Steam Deck support.

CONVRGENCE is an atmospheric VR extraction shooter set in the procedurally generated, ever-changing Chernokamensk Anomaly Zone. Scavenge loot, fight bandits and hunt for mystical artifacts — all with your loyal dog companion by your side. But extract before nightfall, or face what lurks in the dark.

A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!

High intensity co-op roguelite space adventure party game for 2–4 players (or bots). Take on crew jobs, keep a failing ship alive, and survive procedural missions with endless exploration, light RPG progression, and real-time crisis gameplay.

A short incremental siege game centered around growing and strengthening an army to defend your kingdom. Seize the crown from an endless wave of enemies for your best chance at survival!

Gridmax is a tile-based survival and base-building game set in a strange alien world. Gather, craft, build, and explore at your own pace as you grow your team, establish homes across the grid, advance your technology, and search for a way home.

Arena combat meets mercenary club management. Recruit from a dynamic market, build your squad, and compete season after season in leagues and cups.

Defend humanity's first Mars colony in this fast-paced modern arcade space shooter. Battle asteroid storms, hostile UFOs, complete challenging missions, and master skill-based gameplay inspired by the golden age of arcade classics.

Sublight is a space bullet heaven roguelike, where you captain a powerful warship and carve through escalating waves of enemies. Upgrade your arsenal, unlock new ships, and experiment with countless builds to dominate the battlefield.

On RuneScape's forgotten continent of Ashenfall, dragons have awoken. Gather, build, skill and craft in this co-operative survival adventure. Only by mastering survival and uncovering ancient secrets can you hope to face the ferocious Dragon Queen.

Guard your campfire through the night and feed your rivals' rifts with monsters. A multiplayer tower-defense survival hybrid where deck building, base building, and dueling economies decide who survives and who freezes.

Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.

You click - You dash - You slash. Bot slash Bot is a fast-paced, top-down Hack n‘ Slash in which you control a rogue robot slashing & dashing through your former co-machines holding you captive! It's all about speed. Time is running out.

Think fast, kill faster. Blast through shifting alien hellscapes in this roguelite platform-twin stick shooter, switching between Soldier precision and demonic destruction. Survive relentless hordes, brutal bosses, and endless roguelite chaos.

Open world zombie survival Coop game with base building, looting, crafting, vehicles, and exploration.

Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.

After a tragic crash, dash across an unknown planet using your crew's wacky UFO abilities to find a way home.

CELLS is a calm sci-fi trading game about goods, routes and decisions. Explore new worlds, build trade chains, mine resources and uncover the story of a broken network between the worlds.

Recruit cards, assign them to shelters, and stop incoming waves in a strategic tower defense game. Combine three cards to strengthen your forces, manage limited resources, and adapt to each scenario.

Join dangerous raids for loot or intense PvP battles in this new realistic military shooter set in a fractured multiverse. Fight in the quantum unstable zones over control of the active matter – the substance that bends time and space.

Embark on your creative journey of vehicle design, as you create and operate vehicles to survive this dangerous open world. Anymaker is a detailed and technical vehicle builder and survival game. Design your chassis, build your engine, connect components, and travel into the unknown.

SAS is an Open World Multiplayer PVP and CO-OP Survival Game. Set in a vast environment that features Building, Crafting, Taming, Riding, Flying and Exploring Wildlife, Dinos and Dragons as well as Horrific Creatures and Instances with the ability to Morph into Spirit Animals.

Waterjacked! is a turn-based roguelike where you are a gunslinging succulent chosen to wield the GRID. Uncover destructive combos and develop clever strategies from an assortment of Modules, Augments, and Herbals to push back the invading robots from The Valley.

A character-driven Three Kingdoms strategy game. Recruit legendary officers, build your realm, and command real-time battles through preparation, tactics, and decisive intervention. Shape Guandu, Red Cliffs, and the anti-hegemon war, challenge Duel Mode, and climb global rankings.

Darkon Darkon is an online multiplayer shooter set in a galactic war for the conquest of Earth.

Fight endless machine hordes, salvage scrap, build powerful weapon combinations, and survive in this fast-paced mech survivor roguelite.

Settle a kingdom, roll for resources, and build an army with real chess movesets on a hex battlefield. ChessTan fuses Catan-style economy with chess-style combat for 2-4 players — outbuild your rivals, then checkmate the last Nexus standing. Play locally, online with friends, or through Steam.

Find allies. Recruit. Resist. Conquer. Nearly 30 years before Breath of the Wild perfected open world, there was Midwinter. Mike Singleton's 1989 landmark, faithfully remastered — 160,000 square miles of frozen island, 32 survivors with 32 personalities, and an invading army to resist and destroy.

Starwalker is a space-exploration survival rpg focused on surviving a massive alien invasion on planet Earth. You'll be able to explore the solar system and beyond. You are the last human standing - ready to start a new life.

Adoros is dying. A catastrophic Void Anomaly has torn open the planet’s surface, warping reality and unleashing forces no one fully understands. You are a Cube Crusader sent to crush the Anomaly, at any cost.

A sci-fi 80s retro shooter and bullet hell. Use your plasma cannon and bombs to repell an alien invasion. Either defeat the alien robots building and upgrading the blocks and turrets - or blow all of their blocks up! 20 straightforward levels.

STRATA is an arcade descent through rock that is destroyed cell by cell. You pilot a drilling capsule from a dome on the surface, and everything below the first metre is procedurally generated geology: dirt, clay, stone, shale, granite, basalt, obsidian, ironstone.

Survival is optional, rent is mandatory. Team up in Dead Margin, a brutal 1-4 player co-op horror. Whisper to survive, avoid anomalies, and scavenge scraps. Sell it to pay the greedy customer. Out here, everything has a price. Especially you.

Embark on an epic saga in Asgard's Fall, a norse Survivors-like Roguelite. Fight your way through hordes of creatures and let the gods feel your relentless wrath. How will your saga unfold?

Trapped in the twisted game room of a mysterious entity, Dealer's Dice is a high-stakes roguelike dice-defense game. Collect powerful dice, manage your betting table, and gamble against relentless waves of invaders. Push your luck, test your greed, and survive.

Perform a dark ritual with your own hands under relentless pressure. Draw runes in real time, defend the ritual from enemies trying to stop it, and upgrade your skills to unleash devastating magic. Summon ancient eldritch gods in this dark fantasy game driven by skill, strategy and constant tension.

This game is focused on turn based tactical combats. The complexity of the game comes from having to carefully manage your various formations in order to defeat your enemies. Carefully plan your actions to win the battle.

Cultivation blends sect management, character growth and top-down room combat. Recruit disciples, hatch spirit beasts, craft pills and artifacts, explore randomized trials, and plan every breakthrough within a finite lifespan as your sect rises from Qi Refining to Spirit Transformation.

Built exclusively for VR. The game puts you in the midst of ancient Greek myths! Become a true Greek hero and fight in real time with swords, shields and spears against legendary Hades's creatures!

A co-op action game about protecting your mom in a post-apocalyptic world. Explore ruined cities, gather resources, upgrade your motorhome, build defenses, and battle enemies. Your mission: Get Mom to safety. Her survival is in your hands!

POWDR is a high performance interactive particle sandbox featuring realistic fluids, sands, solids, interactions, and more! Every pixel is simulated. Every material interacts. Every experiment can become a catastrophe.

Run, jump, climb, glide, fly - or just fall in a way that somehow works. Doesn't matter how, just keep moving through this maze. How high do you have to climb to get out?

A HARDCORE physics-based 1-4 player co-op RAGE GAME about getting home after a wild night out. It was a fun night! Now grab your buddies and walk home. IF YOU REMEMBER HOW.

An incremental auto battler dungeon crawler where you build a synergized hero party to slay enemies and loot items. Unlock weapons with unique attack styles. Gear up your hero team and explore new dungeon rooms filled with enemies and legendary drops.

RIG Riot is a roguelike third-person mech-action shooter. Fight increasingly difficult enemies while completing objectives, level up, and choose the Weapons and Volatile Mods that will let you return from your raids victorious. Discover thousands of permanent parts, and build a RIG unlike any other.

Omega Pilot Evolution is a high-speed futuristic racing experience that pushes the limits of anti-gravity flight. Race in immersive VR or play on a regular screen in both first-person and third-person perspectives, and master precision piloting.

Play a major role in an evolving simulation of simulations. Explore endless 2D and 3D dimensions spanning nearly every game genre, with 50+ experimental prototypes and stories whose worlds, systems, discoveries, and ideas can become part of the greater experience.

Multiplayer first person strategy game with lots of destruction. Destroy the house of your neighbor(s) by throwing furniture and build a business by selling weed! Or team up with your neighbor(s) to survive the revolution of the no longer enslaved Oonky civilization.

Program a crew of tiny robots to turn a frozen planet into a living world. Connect visual code blocks, automate crafting, and build a workforce that fuels itself. Keep the heat flowing, refine your machines, and watch your ideas come to life.