Games like Colony Siege
If Colony Siege is your kind of game, the closest matches are Rise of Nations: Extended Edition, The Riftbreaker and MarZ: Tactical Base Defense — picked from the ranked list below. Reviewers single out its perks drastically alter strategies, atmospheric and challenging. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Colony Siege: Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Players who liked Colony Siege also play
Steam players who put hours into Colony Siege also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Rise of Nations: Extended Edition
WHY THIS
Shares a challenging mood with Colony Siege.
Top pick for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Colony Siege.
Rise of Nations is back! Play the updated classic with full Steamworks integration and enhanced features!
The Riftbreaker
WHY THIS
Shares a challenging mood with Colony Siege.
Second-strongest match for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Colony Siege.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
MarZ: Tactical Base Defense
WHY THIS
Shares an atmospheric mood with Colony Siege.
Third-strongest match for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Colony Siege.
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Supreme Commander
WHY THIS
Shares an intense mood with Colony Siege.
Ranked #4 for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Colony Siege.
For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.
Empires Apart
WHY THIS
Shares an atmospheric mood with Colony Siege.
Ranked #5 for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Colony Siege.
An exciting free-to-play Real Time Strategy game set in medieval times. Uniquely designed factions, customization options, singleplayer and multiplayer gameplay. Gather resources, raise an army and lead your civilization to victory in a classic RTS, brought to the modern age.
AI War 2
WHY THIS
Shares an intense mood with Colony Siege.
Ranked #6 for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Colony Siege.
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
Stronghold: Warlords
WHY THIS
Shares a challenging mood with Colony Siege.
Ranked #7 for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Colony Siege.
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
Siege of Centauri
WHY THIS
Shares an intense mood with Colony Siege.
Ranked #8 for Colony Siege fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Colony Siege.
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
Reviewers mention these as similar to Colony Siege
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
DG2: Defense Grid 2
WHY THIS
Shares a challenging mood with Colony Siege.
Reviewers of Colony Siege cross-mention this title as a similar play. Shares Strategy with Colony Siege.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
Grey Goo
WHY THIS
Shares a challenging mood with Colony Siege.
Reviewers of Colony Siege cross-mention this title as a similar play. Shares Strategy with Colony Siege.
Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.
X-Morph: Defense
WHY THIS
Shares maze building and an atmospheric mood with Colony Siege.
Reviewers of Colony Siege cross-mention this title as a similar play. Shares Strategy with Colony Siege.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
Cheaper alternatives
Games in the same vein priced at least 40% below Colony Siege at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~75% under Colony Siege on Steam right now. Shares Simulation with Colony Siege.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
People Playground
WHY THIS
Priced ~50% under Colony Siege on Steam right now. Shares Simulation with Colony Siege.
Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.
Sid Meier's Civilization® V
WHY THIS
Priced ~63% under Colony Siege on Steam right now. Shares Strategy with Colony Siege.
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
Kerbal Space Program
WHY THIS
Priced ~50% under Colony Siege on Steam right now. Shares Simulation with Colony Siege.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Slay the Spire
WHY THIS
Priced ~69% under Colony Siege on Steam right now. Shares Strategy with Colony Siege.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
Inscryption
WHY THIS
Priced ~60% under Colony Siege on Steam right now. Shares Strategy with Colony Siege.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
Cookie Clicker
WHY THIS
Priced ~75% under Colony Siege on Steam right now. Shares Strategy and Simulation with Colony Siege.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
Noita
WHY THIS
Priced ~60% under Colony Siege on Steam right now. Shares Simulation with Colony Siege.
Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Colony Siege.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
The Lab
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
The Riftbreaker: Prologue
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Colony Siege.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
Jigsaw Puzzle Dreams
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
Counter-Strike 2
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
Dota 2
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Colony Siege.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
Tom Clancy's Rainbow Six Siege
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.
Narrow it down
Head-to-head comparisons
Frequently asked about Colony Siege
- Does Colony Siege run on Steam Deck?
- Colony Siege is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does Colony Siege cost?
- Colony Siege is listed on Steam at 19.99 USD (current store price; Steam sales may reduce this temporarily).
- Does Colony Siege have multiplayer or co-op?
- Yes — Colony Siege supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
- What games are most similar to Colony Siege?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Colony Siege are Rise of Nations: Extended Edition, The Riftbreaker, MarZ: Tactical Base Defense.
- Who developed Colony Siege?
- Colony Siege was developed by Finifugal Games.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Colony Siege.
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