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Planet S

Planet S

Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.

In short, Steam reviewers most often praise “High quality games offered free” (14 of 83 reviews) and “Deep, engaging colony and combat systems” (10); the most common complaint is “Clunky resource movement and repetitive systems” (10). What reviewers agree on ↓

Released Oct 28, 2023 Developer Glimmerlight Games Platforms Windows · Linux StrategyCity BuilderMultiplayerSpaceRTS
View on Steam ↗ Free (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

91.8%positive2,896 reviews

What reviewers agree on

Praised
Criticised
Bar length = how many of the 83 reviews raise the point On criticised points, the pale part = reviewers who still recommend the game Select a point to see the exact counts and what reviewers wrote.

Counted across 83 English reviews, sampled to match this game's 91.8% positive rating · as of 2026-09-26

Recommended · 1 found this helpful

“Really really fun, space battles with your friends are super engaging. if you like building, expanding and automation you should check this out”

— a player, Steam review · 15 hrs played
Recommended · 0 found this helpful

“This game exceeded my expectations by far. This game is very fun especially with friends.”

— a player, Steam review · 11 hrs played
Recommended · 0 found this helpful

“Pretty cool. Customization options, diversity of planets, variety of upgrades, game design and combat are really good. The music is good too. It can get a little repetitive but it's fine. This game is outstand for what it is and for a free game. Really great to pass the time in…”

— a player, Steam review · 48 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.

600all-time peak
0 100 200 2023 2024 2025 2026 164 avg · Nov 2023

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-25.

53achievements
2.5%median completion
0.2%rarest: Wolf Hunt
58.8% of players 51.5% of players 39.7% of players 36.8% of players 27.6% of players 23.8% of players 22.0% of players 21.6% of players 19.8% of players 17.7% of players 13.5% of players 12.1% of players 11.7% of players 10.4% of players 9.3% of players 6.7% of players 6.3% of players 5.9% of players 4.5% of players 3.9% of players 3.6% of players 3.3% of players 3.1% of players 2.9% of players 2.7% of players 2.7% of players 2.5% of players 2.0% of players 1.6% of players 1.5% of players 1.4% of players 1.3% of players 1.3% of players 1.2% of players 1.1% of players 1.0% of players 1.0% of players 0.9% of players 0.9% of players 0.8% of players 0.6% of players 0.5% of players 0.3% of players 0.3% of players 0.3% of players 0.2% of players 0.2% of players 0.2% of players 0.2% of players 0.2% of players 0.2% of players 0.2% of players 0.2% of players 58.8% 0% most earned rarest
Almost everyone has
58.8%Workers — Attract workers.
51.5%Getting started — Complete the tutorial.
39.7%Tier 2 — Attract tier 2 residents.
Rarest badges of honor
0.2%Wolf Hunt — Hidden achievement
0.2%The final Race — Hidden achievement
0.2%Planet S — Hidden achievement

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Sep 26, 2026
Planet S Version 1.3.4

Hey everyone! This patch brings another set of smaller fixes: Bots ~ Tweaked planet takeover aggression Bug fixes * Fixed an issue causing building sounds to not work correctly * Fixed a bug that allo

Aug 15, 2026
Planet S Version 1.3.3

Hey everyone! We are back with another patch including some fixes and improvements. Quality of Life + Improved spaceship convoys so that a spaceship will slow down to the speed of the slowest spaceshi

Mar 04, 2026
Planet S Version 1.3.2

Hey everyone! This is just a small patch with a couple of fixes. Quality of Life + Added a notification for when you are not researching anything even though you could Bug fixes * Fixed a bug that cau

Dec 22, 2025
Planet S Version 1.3.1

Hey everyone! This is just a small bugfix patch! General + Added a message box for when the game runs out of memory. The game will also no longer show a crash reporter in those cases. Bug fixes * Fixe

Dec 18, 2025
Planet S Version 1.3.0

Hey everyone! We thought we should end this year on a high note with another big patch! This update brings three major features so lets take a look: 8 Player Matches Planet S now supports matches with

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresIndie, Strategy, Free To Play
Player tagsStrategy · City Builder · Multiplayer · Space · RTS · 3D · Building · Atmospheric · Singleplayer · Sci-fi · Futuristic · Indie (Steam store community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · Steam Achievements · Steam Workshop · Custom Volume Controls · Adjustable Difficulty
LanguagesEnglish, German, Italian, Dutch, Spanish - Spain, French, Russian, Japanese, Simplified Chinese, Traditional Chinese, Polish, Ukrainian, Czech
Achievements53
Official sitehttps://glimmerlight-games.com/?ref=steam_storepage
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10, Windows 11 Processor: AMD Ryzen 3 (1st gen desktop), Intel Core i3 (4th gen desktop) Memory: 6 GB RAM Graphics: NVIDIA GTX 750 Ti, AMD Radeon R7 260X DirectX: Version 12 Storage: 1 GB available space Additional Notes: The game requires at least 4 logical cores to run, Intel integrated graphics are not supported