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Interstellar Marines Game Cover

About Interstellar Marines

Interstellar Marines is a single player and multiplayer survival role playing shooter game with horror and science fiction themes. It was developed by Zero Point Software and was released on July 2, 2013. It received neutral reviews from players.

nterstellar Marines resurrects the old school tactical FPS, offering a unique blend of co-op, role-playing and nonlinear gameplay. Set in a believable future, you take on the role as an elite soldier handpicked to join Project IM, a top secret military program being assembled to protect mankind from all dangers outside our solar system. Interstellar Marines is inspired by Half-Life, System Shock …

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Looking for games like Interstellar Marines? Here are top survival role playing shooter recommendations with a horror and science fiction focus, selected from player-similarity data — start with DRONE The Game, EDEN STAR or Contagion.

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Reviews

53%Audience ScoreBased on 5,736 reviews
story145 positive mentions
optimization32 negative mentions

  • Immersive atmosphere with dynamic lighting, weather effects, and detailed sound design that enhances tension and horror elements.
  • Realistic and deliberate tactical gameplay mechanics, including movement, weapon handling, and AI behavior that promotes stealth and teamwork.
  • Existing content, such as co-op missions and PvP modes, provides enjoyable and challenging gameplay especially when played with friends.
  • Game has been stuck in early access for many years with slow development and no significant progress, giving the appearance of abandonment.
  • Very limited content with only a handful of weapons, few missions, and a small or dead player base, making multiplayer difficult to enjoy.
  • Developers lack resources and funding leading to unfulfilled original promises, lack of polish, and a high risk that the game will never be completed.
  • story

    839 mentions Positive Neutral Negative
    17% positive mentions, 75% neutral mentions, 8% negative mentions

    The game's story is minimal and largely undeveloped, consisting mainly of a few short, atmosphere-rich co-op and single-player missions featuring tactical combat against robotic enemies. While these missions provide a tense, immersive experience with some sci-fi elements and promise of a deeper narrative, the full campaign and richer story-driven content have yet to materialize after years in development. Overall, the story aspect is seen as a missed opportunity, with players hoping for expanded narrative, mission variety, and character-driven gameplay that remains unfulfilled.

    • “From the very beginning, the game positions you as a marine in a world where humanity has begun to explore dangerous frontiers, with clandestine missions, research facilities, and military experiments offering constant tension.”
    • “The cooperative tactical gameplay is pretty cool, can't wait to see the system shock role-playing and half life story-driven elements that the developer claims that this game has.”
    • “The neurogen incident single player/co-op mission is insanely good.”
    • “The planned campaign trilogy, which would have fused narrative progression with tactical missions and RPG-style elements, never materialized in full.”
    • “No meaningful story or narrative; no story just "hey you are a space marine," you just complete training courses.”
    • “The game has more detail than some AAA games but the small dev team with little money limits it and the player base is disappearing because of how slow the game is developing; there aren't any paywalls, graphics are good for Unity, the gameplay is fun and polished but there are only so many times you can do the missions without it getting stale.”
  • gameplay

    796 mentions Positive Neutral Negative
    37% positive mentions, 58% neutral mentions, 5% negative mentions

    Interstellar Marines offers a tactical, immersive, and realistic FPS gameplay experience with solid mechanics, atmospheric sound design, and dynamic environments that influence strategies. However, it suffers from limited content, slow development progress, lack of variety in weapons and modes, clunky AI, and an inconsistent player base, making the gameplay feel repetitive and unfinished. While the core gameplay is praised for its depth and promise, the prolonged early access state and minimal updates hinder its full potential and replayability.

    • “Interstellar Marines is one of those rare indie shooters that aimed far beyond the usual scope of its genre, presenting itself as a tactical sci-fi FPS built on immersion, grounded mechanics, and a believable futuristic setting.”
    • “The gameplay is so immersive, lots of dark places, horror feeling (seriously, it gets scary as shetz), those crazy robots punching you in the face in the darkness.”
    • “It has polished mechanics, not cheaply made, but I also want to point out praiseworthy innovation such as its interesting take on stamina system, unique keybind that handles both toggling and holding action automatically on the same button, a satisfying weapon shooting mechanic with hit feedback and easy to control recoil, atmospheric sound and generous use of dynamic lighting and shadows (dynamic weather as well).”
    • “Currently only one tenth of the number of weapons promised/devised are implemented, a quarter of the total levels they likely planned to have are in it, only a couple different enemies, and very rudimentary tactical shooter mechanics, lacking in even basic functions from titles that created the genre like Rainbow Six, which had more weapons, gadgets, and variety of mechanics.”
    • “There is no lean mechanic yet, oh, and there is no campaign mode yet, which if I recall correctly the developers boasted that they were going to have the best, most immersive co-op campaign in a sci-fi game ever.”
    • “Actual missions are a horrific experience and gameplay is very frustrating.”
  • graphics

    548 mentions Positive Neutral Negative
    55% positive mentions, 40% neutral mentions, 5% negative mentions

    The game's graphics are widely praised for their impressive lighting, dynamic environments, and atmospheric effects, especially considering its indie and early access status. While some users find the visuals dated compared to modern standards and note occasional performance and optimization issues, many appreciate the detailed aesthetics, immersive HUD, and overall visual fidelity that enhance the tactical and tense gameplay experience. However, limited graphics options and occasional glitches are noted drawbacks that affect user experience on lower-end systems.

    • “This game has amazing graphics and sound that is plain unparalleled in currently available shooters outside of potentially Tarkov.”
    • “Even on the low graphics settings, this game looks utterly fantastic.”
    • “Overall, the graphics are absolutely stunning, and the visual effects are extremely satisfying to look at.”
    • “The graphics themselves are heavily reliant on bloom and cheap lighting and shadowing tricks.”
    • “20-25 fps on training level on low graphic setting with a GTX970.”
    • “This so-called game is still a tech demo with graphics comparable to Doom 3 in terms of visual quality yet the graphics still lag at 1080p inexplicably on powerful desktop PCs.”
  • atmosphere

    280 mentions Positive Neutral Negative
    65% positive mentions, 34% neutral mentions, 1% negative mentions

    Interstellar Marines is widely praised for its exceptionally immersive and intense atmosphere, combining sci-fi horror elements with tactical, slow-paced gameplay that heightens tension and teamwork. Its dynamic lighting, sound design, and environmental effects create a truly gripping and often frightening experience, especially in cooperative play, though its limited content and prolonged early access status leave some feeling it remains unfinished. Overall, the game's atmosphere is considered one of its strongest and most distinctive qualities, setting a high bar for atmospheric tactical shooters.

    • “The atmosphere was impeccable, with hauntingly immersive level design and weapon sounds that hit just the right notes.”
    • “Sadly now servers lie empty, but if you have a few friends willing to play with you, it's a really atmospheric and fun game - the use of lighting is especially interesting, with maps shifting through weather phases creating a really dynamic experience; some of the most tense moments come from when a map shifts to complete pitch blackness, with the use of the flashlight making everyone else immediately aware of your location, creating an interesting tradeoff.”
    • “The atmosphere in the game is phenomenal!”
    • “No strong atmosphere or tension.”
    • “This is a good game, with a nice cinematic atmosphere and pretty solid graphics, but it lacks in character; you just don't feel involved enough.”
    • “Aside from that I appreciate the detail and atmosphere brought to the Neurogen mission but I'm definitely not convinced into buying the game in its current state, nor anytime soon as this game falls in the "forever early alpha" category.”
  • optimization

    141 mentions Positive Neutral Negative
    16% positive mentions, 61% neutral mentions, 23% negative mentions

    Optimization for this game is highly inconsistent, with many users reporting poor performance, frequent FPS drops, and lag even on mid-tier hardware, alongside occasional praise for improvements and decent performance on high-end systems. The developers are actively working on performance and graphical enhancements, but overall, the game currently suffers from rough optimization typical of early access titles, requiring more polish to run smoothly across a wider range of systems.

    • “The new Unity engine upgrade has fixed many long-standing bugs, allowed for some great new rendering effects, and has massively improved performance.”
    • “Multiplayer was optimized to an okay amount; lag reduced to under a second.”
    • “The optimization is completely fine, but if you run it on a Mac, of course it will run poorly.”
    • “The game is terribly unoptimized, as it would run only at 20fps at 1080p with lowest settings; 1600 worked for 30fps on max graphics, so it is clearly an optimization issue.”
    • “With this in mind this game is very poorly optimized and runs at a persistent 15-20 frames per second for me with very choppy movement which further takes away from my experience.”
    • “Major delays, bad optimization, missing content that was promised in the game.”
  • stability

    119 mentions Positive Neutral Negative
    6% positive mentions, 0% neutral mentions, 94% negative mentions

    The game exhibits significant stability issues typical of an early access title, including frequent bugs, glitches, crashes, AI pathfinding problems, and occasional game-breaking errors like falling through maps. While many players find the core gameplay enjoyable and atmosphere immersive, the slow update cycle and persistent technical problems hinder progress toward a polished, fully stable experience. Despite its potential, the game's instability remains a major concern, especially for those expecting a completed, smooth-running product.

    • “The gameplay was great, atmosphere, controls, and it wasn't all that buggy for an early access.”
    • “Still some performance optimizations planned, but it works excellent on my NVIDIA GTX 760 running under Linux; for an early access game, it seems to be relatively bug free.”
    • “This game is quite bug free and glitch free; in my entire month of owning the game, I have only encountered one bug.”
    • “The devs haven't delivered most of what they are promising and the game is far from being fun, I can't play more than 15 minutes; I just can't bear how buggy and unstable it is.”
    • “Right now all the problems, glitches and bugs that you might encounter make the game not worth buying at this current point.”
    • “Last time I played this game, co-op had just come out; it was buggy as hell, and ran very poorly.”
  • monetization

    33 mentions Positive Neutral Negative
    6% positive mentions, 3% neutral mentions, 91% negative mentions

    The monetization of this game is widely criticized as a cash grab, with many users noting a lack of updates, unfinished content, and misleading advertising. Although some players appreciate certain gameplay elements and the price is seen as relatively low, the overall sentiment is distrust toward the developers and skepticism about the game's completion and value. Microtransactions are mentioned but appear limited, with frustration focusing more on the game's early access status and perceived abandonment.

    • “It has a fun and unique co-op experience, fun PvP, skins (no microtransactions), single-player missions, multiple types of missions.”
    • “You probably waste more money on microtransactions in mobile games speeding up your restaurant or something anyway.”
    • “No progress, another Steam scam early access cash grab.”
    • “I have a real bad feeling this is going to be a game that's never going to be fully completed and the current heavily discounted price drop and extended free play is a cash grab from the developers in a final effort to raise some quick cash to continue the development work.”
    • “Seen way too many of these not updated or simply left unfinished for the next cash grab.”
  • music

    30 mentions Positive Neutral Negative
    13% positive mentions, 77% neutral mentions, 10% negative mentions

    The game's music and soundtrack receive mixed feedback, ranging from praise for its intense ambiance and some beautiful compositions to complaints about minimal or absent music, with many noting the effective use of sound effects and environmental noises to create suspense. Some players appreciate the custom and evolving sound design, while others find the music repetitive or lacking despite it being advertised. Overall, the soundscape enhances atmosphere and tension, though the musical content itself varies in impact and presence.

    • “A luscious and vibrant soundtrack, despite being early access there are some beautiful pieces here.”
    • “The music and sounds are good - hearing bullets flying near and around you creates an extremely intense experience.”
    • “Sound effects and music evolve the game and give it more flavor.”
    • “The devs bit off more than they could chew; they didn't even include the soundtrack despite it being advertised in the supporter bundle.”
    • “The music is supposed to be ominous but it's just annoying after a while.”
    • “There is no music, just thudding footsteps and space ambience.”
  • replayability

    25 mentions Positive Neutral Negative
    28% positive mentions, 44% neutral mentions, 28% negative mentions

    Replayability opinions are mixed, with some users appreciating the game's multiplayer aspects, co-op gameplay, and multiple mission completion methods for extended engagement. However, others criticize the limited content, lack of meaningful updates, and overall emptiness, leading to low replay value, especially in single-player modes. Ongoing development and content additions have improved replayability somewhat, but many feel the game still lacks depth to sustain long-term interest.

    • “There is a good amount of replayability for the game in its current state.”
    • “Hundreds of hours full of fun, 100% replayability due to live multiplayer gaming, totally recommended :-)”
    • “The missions have a lot of different ways to complete them, increasing the replayability of the game by a lot.”
    • “Yes, it is early access, but the game is lacking replay value.”
    • “You are better off playing minesweeper; at least you know it's finished, full of disappointment every playthrough, and sure as hell has more replay value than this pos!”
    • “It has no replayability because of its complete emptiness.”
  • humor

    23 mentions Positive Neutral Negative
    96% positive mentions, 0% neutral mentions, 4% negative mentions

    The humor in the game is often derived from its absurdities, glitches, and quirky moments like unexpected enemy behavior, unconventional game modes, and playful community interactions. While some find these elements genuinely funny and enjoy the game's lighthearted tone, others see the humor as unintentional or tied to frustrating aspects like bugs and delays in development. Overall, the game’s comedic appeal is a mix of intentional and accidental humor that elicits both laughter and criticism.

    • “Be careful; I think I remember one of the sections the floor was lava or something, very funny if you fell in by accident or didn't know the floor could kill you.”
    • “I tried to sneak up on a robot guard, and I watched him spot me then turn and promptly run into a wall (and keep running into it) until I eventually stopped laughing at him and shot him in the back of the head.”
    • “The co-op survival angle is neat, but the game is so absurd so often that me and my friends spent more time laughing than we did being spooked.”
  • grinding

    12 mentions Positive Neutral Negative
    0% positive mentions, 8% neutral mentions, 92% negative mentions

    Grinding in this game is often described as tedious, repetitive, and slow-paced, with missions and tasks becoming monotonous over time. However, some players appreciate the game's unique appeal and find it enjoyable despite the grind, especially when played with friends. The limited developer support and lack of in-game communication tools add to the feeling of slow progression and tedium.

    • “The premise and initial impression I got were quite good, but the actual gameplay was tedious, repetitive, and poorly paced - even in co-op.”
    • “It's getting better - but it's still pretty tedious.”
    • “Game that I imagine would be good with friends on multiplayer levels but take a little too long, are tedious and iffy on your own.”
  • emotional

    10 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    The game evokes strong emotional responses through its immersive audio and responsive gameplay, making players feel like real spec ops marines despite its minimal updates over two years. While the lack of meaningful additions and faceless robot enemies limit deeper emotional engagement, the passion and refinement evident throughout still leave a heartfelt impression. Overall, it’s a bittersweet experience that many find emotionally impactful yet wanting more development.

    • “The gameplay is solid and responsive, frames are smooth on my PC, audio can create the greatest ambience and emotional reactions to contact and stealth I have ever felt in a game.”
    • “Not because it is bad or empty, but because it is heartbreaking to see a game that, with what little was put into it, had passion and refinement in it every step of the way.”
    • “All in all 10/10 would cry again.”
  • character development

    6 mentions Positive Neutral Negative
    50% positive mentions, 0% neutral mentions, 50% negative mentions

    The character development in the game is criticized for being minimal or nonexistent, with many noting the lack of story, plot, and meaningful progression. Character designs are also viewed as unoriginal and uninspired, contributing to a shallow overall experience. However, there is mention of a persistent skill system, though it does little to compensate for the absence of deeper character growth.

    • “Persistent character development and skill system.”
    • “Character design.”
    • “Art and character design.”
    • “Interstellar Marines is a basic game with no story and no character development, just Halo-esque soldiers killing, for some reason, evil robots.”
    • “Unfortunately, the lack of story, character development, enemy or NPC variety, plot, and overall dull environment made me stop playing after half an hour, leaving me disappointed after expecting the next big sci-fi game.”
    • “And character design... look at those idiotic looking soldiers, supposedly the most advanced space marines of the universe.”
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Play Times

9h Median play time
158h Average play time
5-200h Spent by most gamers
*Based on 27 analyzed playthroughs
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Frequently Asked Questions

Interstellar Marines is a survival role playing shooter game with horror and science fiction themes. Common tags for Interstellar Marines include science, first-person, realistic, indie, immersive and others.

Interstellar Marines is available on PC, Mac OS, Windows and Linux.

On average players spend around 158 hours playing Interstellar Marines.

Interstellar Marines was released on July 2, 2013.

Interstellar Marines was developed by Zero Point Software.

Interstellar Marines has received neutral reviews from players. Most players liked Interstellar Marines for its story but disliked it for its optimization.

Interstellar Marines is a single player game with multiplayer and local co-op support.

Similar games include DRONE The Game, EDEN STAR, Contagion, GROUND BRANCH, Osiris: New Dawn and others.