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Space Wars: Interstellar Empires

Space Wars: Interstellar Empires

Helm your own ship, battle for supremacy in a multi-faction war, and conquer the cosmos in this science fiction turn-based strategy game. Select from more than 100+ diverse star ships and fight for territory across a 2D hex-based grid.

Released Dec 8, 2017 Developer Desert Owl Games LLC Publisher ToHeroes Game Studios LLC Platforms Windows · Mac Early AccessFree to PlayMassively MultiplayerStrategyTactical
View on Steam ↗ Free (US · as of 2026-05-13)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-13.

64.9%positive245 reviews
Not recommended · 0 found this helpful

“You will never find a fight, because way higher tier ships will chase you across the galaxy while lower tier ships warp out as soon as you arrive.”

— a player, Steam review · 0 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 via SteamCharts.

172all-time peak
0 25 50 2018 2020 2022 2024 2026 No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period 45 avg · Dec 2017

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-19.

51achievements
5.3%median completion
5.1%rarest: Valor
20.3% of players 19.3% of players 18.5% of players 10.7% of players 9.5% of players 9.1% of players 7.7% of players 7.3% of players 7.1% of players 6.3% of players 6.3% of players 6.3% of players 6.2% of players 6.2% of players 6.1% of players 5.7% of players 5.6% of players 5.5% of players 5.4% of players 5.4% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.3% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.2% of players 5.1% of players 20.3% 0% most earned rarest
Almost everyone has
20.3%Solo Force I — Complete a solo mission.
19.3%Tactical Genius — Use your force fields to absorb damage equal to or exceeding your hull points in an invasion battle.
18.5%Hold Your Ground I — Survive at least 10 rounds of combat during an invasion battle.
Rarest badges of honor
5.1%Valor — Dealt the most damage in an invasion battle involving 8 or more players.
5.2%Vice Admiral — Achieve Vice Admiral rank as a member of the Sol Faction.
5.2%Valiant — Destroy 3 or more enemy ships in an invasion battle with no allied ships or structures present.

Latest official news

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

Aug 13, 2026
New Server: Neptune II

New Server: Neptune II A new five faction server is now online, after a Hive domination victory on the Mercury II server. Initially, Sol and Ma'Alaketh looked to be winning, taking on all sides and de

Mar 01, 2026
New Server: Mercury II

NEW SERVER: Mercury II Sol Imperial Worlds: The 'jack of all trades' good at all, best at none, always the most popular to new players. Easiest to learn and play. Genari United Empire: Brutishly stron

Jan 15, 2026
New Server: Saneth

New Server: Saneth (Genari PvE) Tired of playing Sol, and winning? Well play as Genari with your friends, though they are the easiest race to play in the beginning, they do have weaknesses near endgam

Aug 15, 2025
New PvE Server: Omega with updated Story and Avatars

New Sol Intro Story Movie Thanks to the modern advancements of AI animation, we are happy to introduce new lifelike movies/stories to SpaceWars. It brings in more immersion to the game, and gives you

Nov 16, 2024
New Server: Chiron with Advanced Attack AI

New PvP Server: Chiron with advanced AI Out of beta testing, attack AI is now active. They essentially act as live players, attacking enemy sectors and trying to capture them. There are two kinds: Bas

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-13.

GenresFree To Play, Massively Multiplayer, Strategy, Early Access
Player tagsEarly Access · Free to Play · Massively Multiplayer · Strategy · Tactical · Turn-Based Tactics · Hex Grid · Indie · Space (SteamSpy community voting)
FeaturesMulti-player · MMO · PvP · Online PvP · Co-op · Online Co-op · Cross-Platform Multiplayer · Steam Achievements
LanguagesEnglish
Achievements51
Official sitehttps://www.spacewars.com/
Minimum system requirements (PC)

Minimum: OS *: Windows 7 Processor: 2.4 GHz CPU or greater Memory: 4 GB RAM Graphics: Intel HD 4000, GeForce GTX 760M, Radeon HD 7730 Network: Broadband Internet connection Storage: 5 GB available space