Games like Outpost: Infinity Siege on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Outpost: Infinity Siege are available at the bottom of the page.
Alien Marauder
“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!Meet Your Maker
Meet Your Maker is a building game of brutal expression and conquest. Unleash your inner evil genius in co-op or single-player to build the ultimate fortress of devious deathtraps, or take on those built by others in a high-stakes heist to steal resources essential for your survival.Executive Assault
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.Microtopia
Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!FOUNDRY
Build a sophisticated robot factory optimized to perfection in an infinite voxel world. Mine and harvest resources, automate your production lines and manage complex systems while researching your way to become the galaxy’s leading robotics megacorp.United Penguin Kingdom
A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.Desynced
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.Cliff Empire
After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!Forever Skies
A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.Executive Assault 2
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic 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.Cosmic Trip
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.Out of Ammo
Out of Ammo is an intense VR Tower Defense / FPS hybrid strategy game that will have you constructing defenses, calling in artillery, issuing orders, and taking direct control of your soldiers in order to survive a relentless enemy onslaught.Generation Zero®
Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op.The Colonists
Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.Axon TD: Uprising - Tower Defense
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.Eden Crafters
Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!Zombie Cure Lab
Construct a laboratory base full of machinery to cure zombies. Assign workers to gather and process resources, building up your economy. Defend against zombie attacks and convert them into your workforce. Research technologies to develop the final antidote and restore humanity.Legion TD 2 - Multiplayer Tower Defense
An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players.War Robots VR: The Skirmish
War Robots VR: The Skirmish is a short, but highly immersive teaser-shooter for Oculus Rift and HTC Vive set in the universe of the War Robots franchise.Most played games like Outpost: Infinity Siege on Steam
Take a look at the top games like Outpost: Infinity Siege that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Forever Skies
Similarity 54% A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity. Forever Skies is a singleplayer, exploration and co-op game developed and published by Far From Home. Released on April 14th 2025 has received 6,459 reviews of which 5,316 were positive and 1,143 were negative resulting in a rating of 8 out of 10. The game has hit the top spot as the #1 most played game like Outpost: Infinity Siege, thanks to its 861 peak concurrent players over the last day.2. Legion TD 2 - Multiplayer Tower Defense
Similarity 50% An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players. Legion TD 2 - Multiplayer Tower Defense is a tower defense, multiplayer and auto battler game developed and published by AutoAttack Games. Released on October 01st 2021 has received 13,441 reviews of which 11,620 were positive and 1,821 were negative resulting in a rating of 8.4 out of 10. While seeing 616 players online at once in the last 24 hours, this game is currently ranked #2 among games like Outpost: Infinity Siege based on player count.3. Generation Zero®
Similarity 51% Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op. Generation Zero® is a open world, survival and co-op game developed by Systemic Reaction™ and published by Avalanche Studios. Released on March 26th 2019 has received 40,350 reviews of which 28,932 were positive and 11,418 were negative resulting in a rating of 7.1 out of 10. While seeing 263 players online at once in the last 24 hours, this game is currently ranked #3 among games like Outpost: Infinity Siege based on player count.4. Eden Crafters
Similarity 50% Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world! Eden Crafters is a early access, open world survival craft and automation game developed and published by Osaris Games. Released on October 16th 2024 has received 1,322 reviews of which 1,152 were positive and 170 were negative resulting in a rating of 8.3 out of 10. With 154 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Outpost: Infinity Siege.5. FOUNDRY
Similarity 56% Build a sophisticated robot factory optimized to perfection in an infinite voxel world. Mine and harvest resources, automate your production lines and manage complex systems while researching your way to become the galaxy’s leading robotics megacorp. FOUNDRY is a early access, automation and base-building game developed by Channel 3 Entertainment and published by Paradox Interactive. Released on May 02nd 2024 has received 2,040 reviews of which 1,665 were positive and 375 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #5 spot among the most played games like Outpost: Infinity Siege.6. Microtopia
Similarity 56% Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species! Microtopia is a colony sim, automation and procedural generation game developed by Cordyceps Collective and published by Goblinz Publishing and Gamirror Games. Released on February 18th 2025 has received 637 reviews of which 563 were positive and 74 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #6 spot among the most played games like Outpost: Infinity Siege.7. Desynced
Similarity 55% Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration. Desynced is a strategy, automation and programming game developed by Stage Games Inc. and published by Forklift Interactive. Released on August 15th 2023 has received 1,361 reviews of which 1,130 were positive and 231 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #7 spot among the most played games like Outpost: Infinity Siege.8. Axon TD: Uprising - Tower Defense
Similarity 51% Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay. Axon TD: Uprising - Tower Defense is a tower defense, real time tactics and rogue-lite game developed and published by Element Studios. Released on September 27th 2024 has received 636 reviews of which 566 were positive and 70 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #8 spot among the most played games like Outpost: Infinity Siege.9. The Colonists
Similarity 51% Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human. The Colonists is a city builder, colony sim and automation game developed by Codebyfire and published by Mode 7. Released on October 24th 2018 has received 1,155 reviews of which 989 were positive and 166 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #9 spot among the most played games like Outpost: Infinity Siege.10. Cliff Empire
Similarity 54% After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join! Cliff Empire is a city builder, strategy and simulation game developed and published by Lion's Shade. Released on August 06th 2019 has received 4,258 reviews of which 3,719 were positive and 539 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #10 spot among the most played games like Outpost: Infinity Siege.Best deals on games like Outpost: Infinity Siege on Steam
Discover fantastic savings with the best discounts on a variety of games like Outpost: Infinity Siege available on Steam right now, updated on April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Outpost: Infinity Siege.
1. United Penguin Kingdom
Similarity 55% A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom. United Penguin Kingdom is a strategy, strategy, city builder, city builder, survival and survival game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on March 09th 2024 has received 385 reviews of which 297 were positive and 88 were negative resulting in a rating of 7.3 out of 10. Featuring a massive 70% discount, this game currently holds the #1 spot in the best deals for games like Outpost: Infinity Siege.2. Meet Your Maker
Similarity 59% Meet Your Maker is a building game of brutal expression and conquest. Unleash your inner evil genius in co-op or single-player to build the ultimate fortress of devious deathtraps, or take on those built by others in a high-stakes heist to steal resources essential for your survival. Meet Your Maker is a action, base-building and strategy game developed and published by Behaviour Interactive Inc.. Released on April 04th 2023 has received 3,377 reviews of which 2,428 were positive and 949 were negative resulting in a rating of 7 out of 10. Thanks to its incredible 67% discount, this game is now the #2 best deal in games like Outpost: Infinity Siege.3. Zombie Cure Lab
Similarity 50% Construct a laboratory base full of machinery to cure zombies. Assign workers to gather and process resources, building up your economy. Defend against zombie attacks and convert them into your workforce. Research technologies to develop the final antidote and restore humanity. Zombie Cure Lab is a early access, colony sim and base-building game developed by Thera Bytes GmbH and published by Aerosoft GmbH. Released on December 07th 2022 has received 382 reviews of which 272 were positive and 110 were negative resulting in a rating of 6.8 out of 10. Thanks to its incredible 57% discount, this game is now the #3 best deal in games like Outpost: Infinity Siege.4. Desynced
Similarity 55% Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration. Desynced is a strategy, automation and programming game developed by Stage Games Inc. and published by Forklift Interactive. Released on August 15th 2023 has received 1,361 reviews of which 1,130 were positive and 231 were negative resulting in a rating of 7.9 out of 10. Currently offered at a 32% discount, this title has earned the #4 position in the best deals for games like Outpost: Infinity Siege.5. Microtopia
Similarity 56% Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species! Microtopia is a colony sim, automation and procedural generation game developed by Cordyceps Collective and published by Goblinz Publishing and Gamirror Games. Released on February 18th 2025 has received 637 reviews of which 563 were positive and 74 were negative resulting in a rating of 8.3 out of 10. Currently offered at a 30% discount, this title has earned the #5 position in the best deals for games like Outpost: Infinity Siege.6. Forever Skies
Similarity 54% A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity. Forever Skies is a singleplayer, exploration and co-op game developed and published by Far From Home. Released on April 14th 2025 has received 6,459 reviews of which 5,316 were positive and 1,143 were negative resulting in a rating of 8 out of 10. Currently offered at a 23% discount, this title has earned the #6 position in the best deals for games like Outpost: Infinity Siege.Free games like Outpost: Infinity Siege on Steam
Check out this fantastic list of free-to-play games like Outpost: Infinity Siege you can enjoy on Steam right now, updated on April 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Outpost: Infinity Siege.