
Planet DOS is under attack by Space Aliens, DOSMan needs to fend them off and defend his home planet!
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About

FEATURES
RETRO SPACE ACTION!
Break a leg. Theirs.: Various Alien races & enemy types, including Interstellar Security guards, aliens, mutants and pods.
Inside Intel: Interactive informants that provide you clues and hints.
Future Soldier: A plethora of futuristic weapons - from a blaster shotgun to an explosive orb grenade launcher.
EXPLORE PLANETS DOS: Staggering levels, including secrets a plenty.
STORY
Inspired by the "hero" shooters of the late 90s such as Duke Nukem, Blake Stone, and Wolfenstein 3D, DOSMan: Space Aliens in Space is a retro FPS game where players take on the role of the titular, DOSMan.
Aliens have invaded Planet DOS, and are wreaking havoc upon the population. It’s up to DOSMan and a colorful cast of hilariously incompetent characters to beat them back and restore order to the once-peaceful planet.
Game Cover Art by Joe Roman (Chito)
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English**languages with full audio support
Engagement
Hours played at review time, across 41 reviews with recorded playtime.
Reviews
Themes across 41 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
Maybe I was spoiled by the other DOSMan-published titles at the same price point, but this one is just 90 minutes of "a couple ticks above the average Raycasting Game Maker slop that Steam used to be full of before their publisher, Dagestan Technologies, pissed off Valve." Enjoyable enough for a free title, but for a paid game ... maybe get it on an 80% off sale. Some things to note: - You'll have to edit the config file if you want to play in a resolution other than 720p, but this can cut off the 2nd+ lines of NPC dialog, not that they have much interesting to say, so playing in 1080p or 4k is worth the tradeoff. - You'll have to edit the config file if you want to rebind Flashlight to any key other than 'F', which I needed to do as I use ESDF for movement. - The game will randomly increase mouse sensitivity through the roof, thankfully I'm using a gaming mouse with switchable DPI presets. - Don't bother stocking up on ammo before moving on to the next level, as each level start will reset your ammo to whatever is coded for that specific level. Your health will carry over though, strangely enough. - All saves are manual, so don't forget to use them (no quick-save key, so Esc to the menu to do that). I only died maybe 6 times during the game though, and half of those were due to trying to conserve ammo, while the other half were to the only two hitscanning enemies in the game.
A nice and short "Boomer-Shooter" in the style of Blake Stone and Wolfenstein 3D. Mostly I wish there was a minimap but overall its a fun and short expierence.
Decent Boomer shooter similar to doom with alien vibes
“I want shorter games with worse graphics made by people who are paid more to work less and I’m not kidding" This is an incredible indie game and part of The graphics are vibrant, the performance is excellent, and I believe the developers rolled their own engine, because in a world of choppy Unity Engine games, this one's install size is a scant 80 megabytes. The sound design is very charming, and the varied weapons give you just enough ammo to make sure you're always prepared, if you're willing to experiment with what you're given. There's also just enough of a plot scattered among the levels to push you forward. Don't expect a long game, don't expect incredible AI logic (they can pile up on each other) but I'm happy to say that what you DO get is a visually vibrant throwback on an engine I hope we see used much, much more in the future.
DOSMan: Space Aliens in Space! is a deliberately stripped-down, retro-styled first-person shooter that embraces simplicity, speed, and nostalgia as its defining traits. Developed and published by DOSMan Games, the game positions itself as a playful throwback to the era when shooters were built around tight corridors, readable enemy patterns, and the simple thrill of blasting through waves of foes. From the outset, it’s clear that the goal isn’t to modernize the genre or layer on complex systems, but rather to deliver a compact, arcade-like experience that feels instantly familiar to fans of classic FPS design. The premise is intentionally straightforward and almost self-parodying, casting the player as the heroic DOSMan, tasked with defending Planet DOS from an invasion of space aliens. This tongue-in-cheek setup sets the tone for the entire experience, framing the action with lighthearted sci-fi absurdity rather than heavy narrative ambition. Story elements exist mainly to justify the constant forward momentum, allowing the game to focus on what it does best: putting enemies in front of the player and encouraging them to keep moving and shooting without distraction. Gameplay revolves around classic shooter fundamentals. Levels are built around corridors, rooms, and small arenas that funnel players into frequent combat encounters. There is no reliance on cover systems or regenerating health; survival depends on movement, aim, and managing pickups scattered throughout the environment. Ammo and health resources are finite, which adds a mild layer of tension and encourages exploration. The moment-to-moment flow feels brisk, rewarding players who stay aggressive while still paying attention to positioning and enemy behavior. The weapon selection reinforces this old-school approach. Guns are simple, functional, and easy to understand, each serving a clear role rather than existing as part of an elaborate upgrade system. While the arsenal isn’t extensive, it provides enough variation to keep combat from feeling flat, especially as enemy density increases. Firing weapons delivers clear feedback, and while the audiovisual punch may not rival larger productions, it fits comfortably within the game’s retro aesthetic. Combat is less about spectacle and more about rhythm, clearing rooms efficiently and pushing onward without hesitation. Level design adds modest depth through branching paths and hidden secrets. Players who explore off the main route are often rewarded with extra resources or helpful pickups, reinforcing a classic FPS tradition of curiosity paying off. These secrets help break up the linear flow and give repeat playthroughs additional appeal, as players can revisit levels with greater familiarity and efficiency. The environments themselves are simple but readable, ensuring that enemy silhouettes and projectiles remain clear even during chaotic firefights. Visually, the game leans fully into a minimalist, retro presentation. Environments and enemies are stylized rather than detailed, prioritizing clarity and performance over realism. This choice works well for the intended experience, keeping the action readable and maintaining a consistent tone throughout. The audio design supports this approach with straightforward sound effects and music that emphasize momentum rather than atmosphere, reinforcing the arcade-like feel of the experience. The game’s compact scope is both one of its strengths and its limitations. It is designed to be played in short bursts, offering a concentrated dose of shooter action rather than a lengthy campaign. Players looking for deep progression systems, elaborate storytelling, or modern FPS mechanics may find the experience sparse. However, for those who appreciate focused design and nostalgia-driven gameplay, this simplicity becomes part of the appeal. The game respects the player’s time by delivering exactly what it promises without unnecessary padding. Ultimately, DOSMan: Space Aliens in Space! succeeds as a sincere homage to classic first-person shooters. It doesn’t attempt to reinvent the genre, instead refining a familiar formula into a concise, energetic experience built around movement, shooting, and exploration. For fans of retro FPS titles who enjoy straightforward action and a playful sci-fi tone, it offers a satisfying and approachable throwback that captures the spirit of old-school alien-blasting fun in a modern indie package. Rating: 7/10
It's only 3 smackaronies A simple but fun boomer shooter, it's no Doom but it's not trying to be, at least I felt so Also the cola power ups make this feel like it was initially sponsored by Pepsi or something
it works on steam deck but every time you turn you FPS drops to 30 to like 2 FPS its horrible not to mention there's no option to select a difficulty at the start and Ammo and health are hard to come buy so the game can be hard to come buy which can make the game challenging it is a cute boomer shooter but needs improvement
You get what you paid for. You get 6 weapons, none of which stand out, about 7-8 enemies including the final boss, none of which stand out, I finished the game one minute short of 90 minutes, and there's nothing in general that really stands out about the game but its not offensively bad either (aside from the final gun being a disappointment, the chaingun is the real superweapon of the game.)
I’m giving DOSman: Space Aliens in Space! a thumbs up, but I liked DOSman’s other games, like Reaper and Reverend, quite a bit more. This game doesn’t really do anything wrong, and for the $3 price tag you’ll get about 1 to 1.5 hours of playtime, your money's worth, which feels fair. The enemies are a little bland, though still serviceable. The levels also feel somewhat uninspired in their design—many share the same color schemes, and I noticed fewer secrets and hidden areas compared to other DOSman games. You'll be jump scared a few times by "Press E to talk to me".
В какой-то степени это даже отличная игра. Вот когда у тебя час вечером на поиграть/посмотреть сериал, то выбор игр от DoSman - лучший. 1 час, ну может чуть больше. За это время произойдёт завязка, саспенс, развязка и концовка с элементами лёгкой эротики. Максимально примитивный шутер, прямой как палка и простой как дырка. Тем собственно и хорош.
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Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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