Rank 01Why this
Also Base-Building and Robots, like Grey Goo.
- $12.99 (Price checked Nov 5)
- Deck Playable
- 2010
Games like Grey Goo
- 32 games
- Updated Oct 23, 2026
Players who liked Grey Goo also play
The closest matches to Grey Goo: Supreme Commander 2, Earth 2160, Total Annihilation, Natural Selection 2, and Ashes of the Singularity: Escalation. Ranked by imho.run from Steam co-play data, shared tags and reviews.
- Rank 01
Rank 02Why this
Also Base-Building and Aliens, like Grey Goo.
- $4.99 (Price checked Oct 31)
- Deck Playable
- 2006
Rank 03- $4.99 (Price checked Nov 5)
- 2015
Rank 04 
Natural Selection 2
Why this: Also Competitive and Aliens, like Grey Goo.
Rank 05 
Ashes of the Singularity: Escalation
Why this: Also Base-Building and RTS, like Grey Goo.
Rank 06 
Rank 07 
Metal Fatigue
Why this: Also Mechs and Robots, like Grey Goo.
Rank 08 
The full ranked list: top 24 games like Grey Goo
Best match first, as plain text. The same list for AI assistants:
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- Released: 2015
- Developer: Petroglyph, Six Foot
- Price: $29.99checked Nov 4
- Steam Deck: Deck Playable
- 69% of 1,887 reviews
- Genres: Strategy
- Metacritic 77
- Platforms: Windows
Players highlight
- Deep strategies and counter strategies
- Stellar voice work
- Unique goo faction gameplay
- Challenging
- Nostalgic
- Asymmetrical factions
More games like Grey Goo, sliced differently
Cheaper alternatives
Games in the same vein priced at least 40% below Grey Goo at current Steam store prices.
Startopia
Why this: Also Base-Building and Aliens, like Grey Goo.
Infested Planet
Why this: Also Aliens and RTS, like Grey Goo.
Spacebase Startopia
Why this: Also Base-Building and RTS, like Grey Goo.
Codex of Victory
Why this: Also Mechs and Base-Building, like Grey Goo.
SPACECOM
Why this: Also Competitive and RTS, like Grey Goo.
Free alternatives
Free games the recommender matches to Grey Goo, limited to titles with at least 500 Steam reviews and 80% positive.
Zero-K
Why this: Also Base-Building and Robots, like Grey Goo.
AirMech
Why this: Also Mechs and Robots, like Grey Goo.
Age of Empires III: Definitive Edition
Why this: Also Base-Building and RTS, like Grey Goo.
Galcon 2: Galactic Conquest
Why this: Also Competitive and RTS, like Grey Goo.
Prismata
Why this: Also Competitive and Robots, like Grey Goo.
Orbital Gear
Why this: Also Mechs and Space, like Grey Goo.
More from Petroglyph
Other recommendable Steam games by Petroglyph, ranked by review count so the studio's hits land first.
STAR WARS™ Empire at War - Gold Pack
Why this: Also RTS and Space, like Grey Goo.
Command & Conquer™ Remastered Collection
Why this: Also Base-Building and RTS, like Grey Goo.
The Great War: Western Front™
Why this: Same challenging mood as Grey Goo.
8-Bit Hordes
Why this: Same nostalgic mood as Grey Goo.
About Grey Goo
The closest matches to Grey Goo: Supreme Commander 2, Earth 2160, Total Annihilation, Natural Selection 2, and Ashes of the Singularity: Escalation. Ranked by imho.run from Steam co-play data, shared tags and reviews.
If Grey Goo is your kind of game, the closest matches are Supreme Commander 2, Earth 2160 and Total Annihilation — picked from the ranked list below. Reviewers describe it as challenging and nostalgic, and single out its asymmetrical factions and campaign worldbuilding. 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.
Grey Goo is a 2015 sci-fi strategy game developed by Petroglyph and Six Foot. It is a traditional RTS with three asymmetrical factions, each offering different strategic approaches and unit types. Players who enjoy classic real-time strategy games describe it as nostalgic, and reviewers highlight the deep strategies and counter-strategies that emerge from its faction design. The lengthy campaign provides worldbuilding across its missions, while tactical positioning matters significantly in engagements. The unique goo faction draws particular attention for its distinctive gameplay feel, and players note the stellar voice work throughout. Currently priced at $29.99, the game holds a 69% positive rating from 1,887 Steam reviews and is marked as playable on Steam Deck.
About Grey Goo: 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.
Is Grey Goo worth buying?
Players are split
A summary of what players say, not a promise you'll like it. Every signal is listed below.
- 69% of 1,887 Steam reviews are positive.
- We don't track this game's daily reviews yet, so this is the all-time picture.
- Price: $29.99 (checked Nov 8).
- People who recommend it had played a median of 24 h when they wrote their review.
- Steam Deck Playable: works, with some rough edges.
What fans praise · Themes mined from positive reviews
- Deep strategies and counter strategies
- Stellar voice work
- Unique goo faction gameplay
Top critical reviews
The most up-voted negative English reviews in our sample, quoted as written.
“It's not terrible, but it is just a bit too generic and boring. And there are way better RTS games out there. I'd rather play the StarCraft II campaigns for the 5th time than to finish it.”
“I hate timer routines in games! If I wanted to watch a clock I'd stare at that for non-enjoyment. Games with clocking down routine are not fun. Whomever included that in the development of this clearly had Grey Goo on the mind its…”
People who play it also play: Supreme Commander 2, Earth 2160, Total Annihilation
Frequently asked about Grey Goo
Can I run it?
Does Grey Goo run on Steam Deck?
Grey Goo 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 Grey Goo cost?
Grey Goo is listed on Steam at 29.99 USD (current store price; Steam sales may reduce this temporarily).
Does Grey Goo have multiplayer or co-op?
Yes — Grey Goo supports multi-player play according to its Steam store listing (Multi-player).
What games are most similar to Grey Goo?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Grey Goo are Supreme Commander 2, Earth 2160, Total Annihilation.
Who developed Grey Goo?
Grey Goo was developed by Petroglyph, Six Foot and published by Six Foot, Grey Box.