⚜ SteamCozy

Home / Games / Interstellar Marines

Interstellar Marines

Interstellar Marines

UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.

Released Jul 2, 2013 Developer Zero Point Software Platforms Windows · Mac · Linux ActionFPSIndieTacticalCo-op
View on Steam ↗ $9.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

54.0%positive7,864 reviews
Recommended · 1 found this helpful

“Game's a little lacking in its current state, can't wait to see the developers really flesh this one out!”

— a player, Steam review · 7 hrs played
Not recommended · 57 found this helpful

“Abandoned game. Should not be allowed to be sold still. Honestly, a game abandoned in early access should be refunded imo”

— a player, Steam review · 1 hrs played
Not recommended · 12 found this helpful

“Was entertaining when it wasn't a dead game. Shame, really.”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-23 23:45 UTC · history via SteamCharts.

0playing at last check
4,398all-time peak
0 500 1k 2014 2016 2018 2020 2022 537 avg · Feb 2015

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

28achievements
1.1%median completion
0.2%rarest: Predator
29.1% of players 10.6% of players 5.8% of players 3.1% of players 2.6% of players 2.0% of players 2.0% of players 1.6% of players 1.6% of players 1.4% of players 1.4% of players 1.4% of players 1.3% of players 1.2% of players 1.1% of players 1.1% of players 1.1% of players 1.1% of players 1.0% of players 1.0% of players 1.0% of players 1.0% of players 0.9% of players 0.9% of players 0.9% of players 0.3% of players 0.3% of players 0.2% of players 29.1% 0% most earned rarest
Almost everyone has
29.1%Reporting for Duty — Complete Welcome to Project IM Introduction Mission
10.6%Training Rank 10: Araneae — Reach 1,000 Training Points
5.8%Training Rank 20: Serpentes — Reach 2,000 Training Points
Rarest badges of honor
0.2%Predator — Eliminate 500 CTRs in Wargames
0.3%Treasure Hunter — Open a Supply Drop Crate in each Wargames Zone
0.3%Fort Knox — Exit Wargames with +10.000 Combat Points

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-07-26 08:39 UTC
$9.99lowest since tracking began2026-07-11
US9.99 USD
EU7.99 EUR
UK6.95 GBP
Australia13.99 AUD
Canada11.49 CAD
Japan999 JPY
Brazil19.99 BRL
China35.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$3.9 China Japan Canada EU UK Australia US≈$10.0

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $10 $20 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

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

Dec 22, 2019
Christmas Mini Update

Hello Marines, and Merry Christmas! We've just released a small update that has added the following: XMAS MAYHEM Marines and CTRs now have reindeer antlers and santa hats. These changes affect the Xma

Oct 28, 2019
Masters of Halloween Wargames 2019

https://youtu.be/rcefnXSyVk0 Rundown: Welcome to the 2nd annual Masters of Halloween Wargames! You are invited once again into the eerie bowels of Hell with plenty of spooks and scares awaiting you. T

May 29, 2019
Update 29 And Beyond

https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4647647/f371356a22e41ced8346525195086ed026c7e192.png Hi everyone, good news! We’re pleased to announce our new development roadmap fo

May 21, 2019
Update 28 - Engine Upgrade

https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4647647/09d4b82af6e0ae5bd21d0e925362de309b88c8f5.jpg Update 28 - Engine Upgrade Hello Marines, we’re very excited to announce Update

Oct 27, 2018
When Will More COOP Content Release?

https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4647647/4090c71119e63454eec433d05aa307e0d7d78d3e.jpg Hi everyone, we'd like to take a moment and answer one of the most frequently as

Games like Interstellar Marines

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

GROUND BRANCH GROUND BRANCH 88.4% · 15,940 reviews shares Team Based, Online Co Op, Tactical, FPS Insurgency Insurgency 91.9% · 52,814 reviews shares Team Based, Online Co Op, Tactical, FPS Six Days in Fallujah Six Days in Fallujah 82.1% · 11,324 reviews shares Team Based, Online Co Op, Tactical, FPS Natural Selection 2 Natural Selection 2 85.1% · 8,675 reviews shares Team Based, Online Co Op, Tactical, Space Call of Duty®: Black Ops II Call of Duty®: Black Ops II 91.5% · 7,025 reviews shares Team Based, Online Co Op, Tactical, FPS PAYDAY™ The Heist PAYDAY™ The Heist 92.9% · 15,740 reviews shares Team Based, Online Co Op, Tactical, FPS Space Hulk: Deathwing Enhanced Edition Space Hulk: Deathwing Enhanced Edition 74.0% · 7,087 reviews shares Online Co Op, Space, FPS, Co Op Angels Fall First Angels Fall First 82.0% · 2,430 reviews shares Tactical, Space, FPS, Co Op

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAction, Indie, RPG, Simulation, Early Access
Player tagsAction · FPS · Indie · Tactical · Co-op · Multiplayer · Sci-fi · Shooter · Horror · First-Person · Simulation · Atmospheric (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Cross-Platform Multiplayer · Steam Achievements · Partial Controller Support · Steam Cloud · Stats
LanguagesEnglish * *
Achievements28
Estimated owners500,000 – 1,000,000 (SteamSpy)
Minimum system requirements (PC)

Minimum: OS *: Windows XP SP3 or Windows Vista Processor: 2.4 GHz Dual Core Memory: 2 GB GB RAM Graphics: Nvidia Geforce 8800 GT / ATI Radeon HD 4770 DirectX®: 9.0c Hard Drive: 3 GB HD space Sound: DirectX 9.0c Compatible * 1 map, Neurogen Incident, temporarily requires 64-bit OS and 4 GB RAM until it is optimized