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Empires of the Undergrowth on Steam

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Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Empires of the Undergrowth is a strategy, simulation and city builder game developed by Slug Disco and published by Slug Disco and Hooded Horse.
Released on June 07th 2024 is available on Windows, MacOS, Steam Deck and Steam Machine.

It has received 15,284 reviews of which 14,446 were positive and 838 were negative resulting in an impressive rating of 9.2 out of 10. 😍

The game is currently priced at 7.49€ on Steam with a 75% discount, but you can find it for 4.06€ on K4G.


The Steam community has classified Empires of the Undergrowth into these genres:

Media & Screenshots

Get an in-depth look at Empires of the Undergrowth through various videos and screenshots.

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • Requires a 64-bit processor and operating system
  • OS: Windows® 10 (64-bit)
  • Processor: Intel® Core™ i5-760 (quad-core) / AMD® Phenom™ II X4 965 (quad-core)
  • Memory: 4 GB RAM
  • Graphics: NVIDIA® GeForce® GT 440 (1 GB) / AMD® Radeon™ HD 6750 (1 GB)
  • DirectX: Version 11
  • Storage: 5 GB available space
MacOS
  • OS: macOS 12 (Monterey) or later
  • Processor: Intel® Core™ i5-760 (quad-core) / AMD® Phenom™ II X4 965 (quad-core)
  • Memory: 4 GB RAM
  • Graphics: NVIDIA® GeForce® GT 440 (1 GB) / AMD® Radeon™ HD 6750 (1 GB)
  • Storage: 5 GB available space

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

18 hours played
July 2026
It is with great sadness in my heart, yet optimistic hope for the future, that I must acknowledge that Maxis’s 1991 Sim Ant is no longer the best ant-based simulation game.
2206 hours played
June 2026
This is just peak gaming, you learn some new stuff about different insects and other bugs how ant colonies work and a bunch of interesting things throughout your experience. What is also funny is as I'm writing this I already have almost 2k hours on it, its just addicting. I hope this will help the game grow to have a larger community to hopefully grow mod development to help the overall experience.
255 hours played
May 2026
What happens when you take the beloved old-skool PC game SimAnt, a modern RTS game, and a nature documentary and throw them into a blender? Well, you'd probably end up with something like Empires of the Undergrowth. As both a lover of nature documentaries and an enjoyer of RTS games, it's so satisfying to have a modern adaptation of Sim Ant - although calling it a simple 'adaptation' is a bit of a disservice. In EotU, you raise various colonies of ants (and even termites! :D), gather food, take on 'giant' enemy bugs (giant to your ants anyways), raid other ant nests, and overall fight for control of a small path of undergrowth in an unknown section of the world. Unlike most RTS games where you click-drag a box to select you units, this game relies on a 'chamber' mechanic: as you hollow out your nest area, you can devote a space for certain types of ants (workers, soldiers, specialists, etc). These 'chambers' represent groups of ants you can move onto different pheromone trails for different tasks. While it may be a bit jarring for most RTS players at first, the mechanics of making groups of ants are fairly simple and easy to pick up on. Want several small chambers of soldiers so you can have more even distribution of labor amongst the colony? Simply build several small chambers! Wanna be like me and simply fill any and all available nest space up with brood chambers? Carve out one massive chamber and start filling it up! There's advantages and disadvantages to every strategy, and it gives you something to mess around with while you're playing your first time through the Campaign. Speaking of, now comes the part where I gush about the 'nature documentary' aspect of the game. As someone who's loved any and all sorts of documentaries since I was a kid, what the Campaign offers tickles that particular fancy. The 'main colony' you play as in the Campaign is a colony of ants that are part of some sort of lab experiment. Your nest and habitat are the 'HUB world' so-to-speak, where you'll spend your time upgrading your different ants as they get introduced to the colony and gathering food between Levels. The Levels themselves are self-contained 'nature' scenarios where you must build up an individual colony and achieve certain objectives. For example, in the first Level, 1-1, you help a simple Black Ant queen establish herself inside a hollow log, digging out chambers and purging the nest area of enemy bugs. During all of these levels, you have a well-voiced narrator giving little tidbits here and there about the enemies you encounter, the situation you're in, and other interesting (and potentially anxiety-inducing) developments as the scenario unfolds. The facts thrown out during these narrations are one-for-one exactly like how classic documentaries did/do it; the kind of 'fun facts' you hold onto to throw at your coworkers or family every once in awhile. For instance, I had no idea fire ants could form bridges over water with their own bodies, or that termites don't actually sustain themselves with dead plant material on its own, but is instead cultivated into an edible fungus for the colony. The game's presentation is spot-on, and I give kuddos for the narrator's part in giving the game this unique identity. Granted, some of the narrations get a little repetitive after awhile ("The ants will fight to the death!"), but that's more the game using that as a sound cue for "Hey! Your ants are engaged with a bug/bugs!" and not really something the narrator has control over. Plus the narrations have a delay between being played again, so it's not like they're playing every 10 seconds. Okay, gushing over. As you play these Levels and get more food, nest space, and Royal Jelly (used to unlock new ant types and upgrades to your colony), you'll take on several 'Lab Experiment' Levels, where you pit your main colony against various challenges thrown at you by an increasingly demanding and psychotic scientist. After completing these challenges (the ending is fun, trust me :) ), you'll get to start a New Game Plus, giving the Campaign plenty of replayability - and also allowing you to further upgrade your colony and make it even more OP for custom Skirmish games >:) Beyond Campaign and Skirmish, there's plenty of other 'Extra' content in the form of challenge Levels and the ability to replay the Campaign Levels with custom settings (like, say, your OP colony I just mentioned >:) ). Also, the game is constantly getting new free updates, with the newest ones adding new Skirmish maps, enemies, and new and improved models. Bit of a spoiler, but upon replaying 'Cold Blooded' for the umpteenth time, I noticed the new American Bullfrog model is a lot more animated and honestly even better looking than she was before...but Imma still gonna eat her, right after I'm finished purging the Big-headed ant nest... Sadly, as of writing this, there is no online multiplayer. Not sure if they plan on adding it or how hard that would be, but I wouldn't buy this game anticipating that happening (unless the developers have stated it's in the works and I'm just unaware - in which case, feel free to correct me in the comments and I'll edit this review). But for someone like me, that's just fine. Just a solid single-player RTS game, but with ants and bugs. I do want to mention though one minor thing that might come up during gameplay. No real glitch or bug (lol), but just a small inconvenience that might throw you off occasionally: because of how the 'pheromone trail' mechanic works, you might leave ants in a certain pheromone group with the 'grab food' or 'attack enemies' orders turned off, and if you're not paying attention, you might send your ants to a certain task only to find later they aren't doing said task ("Why aren't the soldiers I sent to guard the nest attacking the bugs IN the nest?!?" - that one's happened to me more times than I'd like to admit). This isn't a fault of the game so much as it is user error, but it's something to keep in mind and to keep track of during gameplay. Overall, I wholeheartedly recommend this game to any fans of RTS games - a unique and well-built presentation, interesting and increasing challenges, and a replay value that will keep you saying "Yeah...let's New Game Plus again. My colony isn't overpowered enough..." >:)
176 hours played
April 2026
Empires of the Undergrowth is a hidden gem of a strategy game. This is an incredibly well thought out game that could not be more challenging. Your nest starts with just a few very weak but efficient workers, and you must strategically evade bigger predators to collect food and grow your nest. Once your nest grows large enough, your overwhelming ant force can destroy much bigger and stronger creatures. Most levels are variations of this premise, but it does not feel "grindy" as so many other games do. The level formats keep the games interesting and new while being incredibly challenging on the hard difficulties. After trying the demo, (which is available) I immediately committed to purchasing this game and was not disappointed. Know there will be a lot of managing the ants, and many infuriating battles, especially early while you are still learning. But there is a great feeling when your army of ants just steamrolls creatures many times bigger than themselves. Also impressive is the variation in species of ants. Imagine many different types of "units" with different strengths and weaknesses, and success relies on the variation of ants sent to attack different enemies. I would highly recommend this game. 9/10 Tip: Invest in the ranged wood ants, they are easily the most cost effective unit in the game and allow you to really drain the enemy health bars.
358 hours played
Feb. 2026
I cannot stress enough how amazing this game is. The missions that you can do to upgrade your main colony are so much fun. The narrator even tells you the scientific names of the bugs that you encounter. Because of him I now know how to say Solenopsis invicta (sell-a-nop-sis in-vic-ta) and megaponera analis (mega-pon-era an-al-les), the voice line is that memorable. If you like bugs, strategy, or chaos, or all three, then by god has this game delivered. I won't spoil anything, but the story your main colony goes through is super fun, the characters are hilarious (for those who have seen this game: you know who I mean :) ), and the twist at the end was both shocking and absolutely insane, I myself owned this game when they hadn't even introduced leafcutter ants and I did not see it coming. Masterpiece of a story. The replayability is also a 100% yes, as there is a New Game+ mode where it gets significantly harder each New Game+, but you may get a few perks to help you along the way... The art style is also amazing, they worked really hard on the details of the creatures, said details really come to shine and look beautiful as the creature crushes/consumes your poor little ants :) However much money I spent on this game (I can't remember how much, but I think it is worth noting that the game is on sale quite often judging by the newsfeed, so get it soon!) it was the best investment I have yet to ever make on a video game, and I own 22 games, including Rain World and Grounded!! In conclusion, this is the best game I have ever played. It has yet to disapoint me, and I simply don't see it doing so in the future, near or far. (P.S, I thought this review would be short, like one or two sentences, but I had so many positive things to say about this game! And I still do! However, if this review is any longer you might just keep scrolling for shorter messages. So trust me when I say get this game, you won't regret it.)

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Frequently Asked Questions

Empires of the Undergrowth is currently priced at 7.49€ on Steam.

Yes, Empires of the Undergrowth is currently available at a 75% discount. You can purchase it for 7.49€ on Steam.

Yes, Empires of the Undergrowth received 14,446 positive votes out of a total of 15,284 achieving an impressive rating of 9.21.
😍

Empires of the Undergrowth was developed by Slug Disco and published by Slug Disco and Hooded Horse.

Yes, Empires of the Undergrowth is playable and fully supported on Windows.

Yes, Empires of the Undergrowth is playable and fully supported on MacOS.

No, Empires of the Undergrowth is not playable on Linux.

Yes, Empires of the Undergrowth is playable on Steam Deck, though it might require a few minor tweaks. Make sure to check the Steam store page and community feedback on ProtonDB for exact compatibility details.

Yes, Empires of the Undergrowth is playable and fully supported on Steam Machine.

No, Empires of the Undergrowth does not support VR.

Empires of the Undergrowth is a single-player game.

Yes, there are 2 DLCs available for Empires of the Undergrowth. Explore additional content available for Empires of the Undergrowth on Steam.

No, Empires of the Undergrowth does not support mods via Steam Workshop.

No, Empires of the Undergrowth does not support Steam Remote Play.

Yes, Empires of the Undergrowth is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Empires of the Undergrowth.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 25 October 2026 23:46 UTC
SteamSpy data 14 October 2026 12:37 UTC
Steam price 27 October 2026 04:03 UTC
Steam reviews 21 October 2026 17:58 UTC

If you'd like to dive deeper into the details about Empires of the Undergrowth, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Empires of the Undergrowth
  • SteamCharts - Analysis of Empires of the Undergrowth concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Empires of the Undergrowth compatibility
Empires of the Undergrowth
Rating
9.2
14,446
838
Game modes
Features
Online players
1,312
Developer
Slug Disco
Publisher
Slug Disco, Hooded Horse
Release 07 Jun 2024
Platforms
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