

Alien Horizon (Preview Alpha)
Purple Nebula · January 30, 2024 · City Builder, Strategy, Colony Sim, Simulation, Building
Alien Horizon (Preview Alpha) is free to play — no purchase needed. We track it so you know if that ever changes.
Screenshots
Alien Horizon (Preview Alpha) price
Alien Horizon (Preview Alpha) is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.
About Alien Horizon (Preview Alpha)
Faced with imminent destruction of Earth, humanity pooled together their resources and sent sleeper ships to nearby potentially habitable planets. But this one turned out to be much less habitable than expected. Can you survive anyway?
From one ship to a colony
Build your colony around the sleeper ship, containing 1000 last survivors from Earth. Construct power sources, housing, infrastructure and factories to ensure comfort of your colonists and provide the colony with all the resources it needs. Manage bus lines, set laws and provide services, making sure your colonists are happy, healthy and productive. Each colonist is their own simulated individual.
On your own
Earth is dead, so it can't help you out here. If you didn't bring something with you, tough luck. Explore the landscape around you to find all the other ships from your fleet that carry supplies, and survey resource deposits to eventually produce your own.
Complex resource management
Manage complex production chains to produce 86 different resources, each with a realistic recipe. Build logistics hubs and set up storages to make sure all of them get to where they need.
Preview alpha
Even though this is a free preview, it's a full-fledged game of its own, with no time or content limitations. It is possible to achieve a self-sufficient colony. The proper game is still in development and will be released later. You can support its development by buying the Donation packs.
Alien Horizon (Preview Alpha) — game info
- Platforms
- Windows
- Steam Deck
- Unsupported
- Player modes
- Single-player
- PC Game Pass
- Not included
DLC & expansions
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Alien Horizon (Preview Alpha) offers a surprisingly deep and engaging space colony sim experience even in its early state, with players praising its complexity, comprehensive features, and addictive gameplay that rivals finished titles in the genre. Common complaints center on performance issues, memory-related crashes during exploration, and an overwhelming amount of systems presented to new players without adequate guidance.
Very clearly in Alpha, there are some performance issues still to be ironed out (late 2026)... But overall, shockingly enjoyable and thorough. It's already more comprehensive than a lot of finished space colony sims on the market. Very much looking forward to continuing to play this as it grows.
Very complete for an Alpha Version. Lost track of time and welp it's 5am.
This game has amazing potential. It's fun so far but it needs more polish and simplification I think. You're given too much at the start and the level of coplexity is overwhelming
One of the most complex city builders that provides continual challenges even in an alpha version. Do not over explore or crash is likely to happen (causes high memory use i this version).
Great game that I expect to loose many, many more hours to when the rewrite is complete.
the best scifi colony builder ive ever played. although calling it "scifi" might do it injustice, as the mechanics and components are so realistic and believable, it might just be "mars colony training simulator". great art style, great pacing, just love it!
Community reviews
0 reviews
Sign in to write a review.
No reviews yet. Be the first to review this game.
More like Alien Horizon (Preview Alpha)
News
PCGames like Undertale that remember what you did
Undertale's own listing calls it the RPG where you don't have to destroy anyone. Games like Undertale that keep that idea: permanent choices, fights you can talk past, worlds that notice.
Nov 14, 2026
PCGames like Slay the Spire that keep the branching climb
Most games like Slay the Spire copy the cards and lose the map. These keep the risky-or-safe choice, from a three-floor train to a deck made of poker hands.
Nov 14, 2026
PCBodycam game price: what the zombie update changes about buying
The Dead & Damned put Bodycam's zombies back on 13 November. What our dated record says about the Bodycam game price, and why the store's end date matters more than the sticker.
Nov 14, 2026
BlogSilkMU is our new partner: MU Online Season 6 in a browser tab
SilkMU, a MU Online Season 6 server that runs in a browser tab or as an app, opened on 6 November 2026 and is now our partner. What it offers, what is free and what costs WCoin.
Nov 13, 2026
PCGames like Dying Light, where nightfall changes the rules
Games like Dying Light are easy to find if you only want parkour or only want zombies. These eight keep the part that matters: a city that becomes a different place after dark.
Nov 13, 2026
PCGames like Portal 2, where one idea carries the whole game
Games like Portal 2 all share one habit: teach a single impossible trick, then spend a campaign breaking it. From rewinding objects through time to Escher geometry that loops back on itself.
Nov 13, 2026
BundlesPlanet Coaster DLC: skip the collection, buy the packs
The Planet Coaster DLC catalogue closed in 2019, so there is no curve left to wait out. Our record shows the collection bundle costs far more than assembling the same packs one by one.
Nov 13, 2026
XboxToxic Commando Game Pass: subscribe, or buy the key?
The Toxic Commando Game Pass add landed on 12 November. Our price record since late September shows the key route barely moved, which changes what a subscription is worth.
Nov 13, 2026
BlogSilkMU ჩვენი ახალი პარტნიორია: MU Online Season 6 პირდაპირ ბრაუზერში
SilkMU, MU Online-ის Season 6 სერვერი, რომელიც ბრაუზერში ან აპლიკაციად თამაშდება, 6 ნოემბერს გაიხსნა და ახლა playze-ის პარტნიორია. რას გთავაზობს, რა არის უფასო და რა ღირს WCoin.
Nov 13, 2026
PCTekken 8 ღირს თუ არა: 91 ქულა და შერეული შეფასება
Tekken 8 ღირს თუ არა, როცა კრიტიკოსებს 91 ქულა აქვთ დაწერილი, მოთამაშეებს კი „შერეული"? ფასი, ონლაინის მდგომარეობა და უკეთესი ალტერნატივა.
Sep 24, 2026
DealsStellaris იაფად: ოცდახუთი დამატება და ერთი გამოსავალი
Stellaris იაფად ყიდვა საბაზისო თამაშის შემთხვევაში მარტივია. ძვირი დამატებებია — და მათთვის არსებობს ვარიანტი, რომელსაც ბევრი ვერ ამჩნევს.
Sep 24, 2026
PCARK ფასი: Evolved თუ Ascended — რომელი ვიყიდოთ
ARK ფასი ორი სხვადასხვა თამაშის ფასია. რომელი ჯობია ქართული სიიდან, სად არიან მოთამაშეები და რატომ არ ღირს ახალ ვერსიაზე გადახტომა.
Sep 24, 2026
DealsCivilization 6 იაფად: რომელი დამატება ღირს მართლა
Civilization 6 იაფად ყიდვა მარტივია — საბაზისო თამაში იაფია და იაფად რჩება. რთული ის არის, რომ ცხრამეტი დამატებიდან სწორი აირჩიოთ.
Sep 24, 2026
FreebiesCS2 უფასოდ: რა ღირს სინამდვილეში Prime
CS2 უფასოდ ითამაშება საქართველოდანაც და ეს დემო არაა. ფული მხოლოდ Prime-ს სჭირდება — აი, რას იძლევა ის და ვის ღირს.
Sep 24, 2026
PCCuphead ღირს თუ არა: სირთულე, DLC და ორზე თამაში
Cuphead ღირს თუ არა: ექვსივე ქართულ მაღაზიაში ერთი ფასია, მეგობარს კი ასლი საერთოდ არ სჭირდება. სირთულე, ერთადერთი დამატება და როდის ვიყიდოთ.
Sep 23, 2026
DealsRimWorld იაფად: ბაზა, ხუთი დამატება და სწორი რიგი
RimWorld იაფად ყიდვა დამატებების რიგზეა დამოკიდებული, არა ფასდაკლების ლოდინზე. რომელი ხუთიდან ღირს ჯერ და რომელ მაღაზიას აქვს ფასდაკლება.
Sep 23, 2026New releases
All new releases →- AION 2Sep 30, 2026Free
- Onimusha: Way of the SwordSep 25, 2026$39.83
- Kingdom Rush 6: Genesis TDSep 24, 2026$18.01
- AniimoSep 16, 2026Free
- Batomon ShowdownSep 15, 2026$8.66
- WARDOGSSep 10, 2026$29.73
- The Blood of DawnwalkerSep 2, 2026$57.61
- STAR WARS Zero Company™Aug 27, 2026$44.00
- How to FishAug 20, 2026$6.41
- Mortal Shell IIAug 20, 2026$34.80
- EA SPORTS™ Madden NFL 27Aug 13, 2026$69.99
- Leafy CornerJul 30, 2026$9.99
- Voidling BoundJun 9, 2026$15.93
- OutboundMay 11, 2026$15.80
- Vampire Crawlers: The Turbo Wildcard from Vampire SurvivorsApr 21, 2026$5.82
- Lay of the LandApr 8, 2026$13.45
- KuloNiku: Bowl Up!Apr 7, 2026$8.03
- Crimson DesertMar 19, 2026$39.44
- Funi Raccoon GameMar 13, 2026$11.99
- John Carpenter's Toxic CommandoMar 12, 2026$18.42
- Escape from YandereFeb 7, 2026$4.99
- YAPYAPFeb 3, 2026$8.39
- The Midnight WalkersJan 29, 2026$19.99
- Rising FrontJan 9, 2026$8.93
Top games right now
All rankings →- 1Counter-Strike 2Free
- 2Dota 2Free
- 3PUBG: BATTLEGROUNDSFree
- 4Grand Theft Auto V Legacy—
- 5Terraria$2.08
- 6Tom Clancy's Rainbow Six SiegeFree
- 7Rust$20.19
- 8Garry's Mod$6.21
- 9Team Fortress 2Free
- 10Black Myth: Wukong$35.72
- 11HELLDIVERS™ 2$23.99
- 12ELDEN RING$38.88
- 13Apex Legends™Free
- 14Left 4 Dead 2$9.99
- 15Stardew Valley$12.11
- 16Wallpaper Engine$3.93
- 17Cyberpunk 2077$17.99
- 18Euro Truck Simulator 2$4.99
- 19Dead by Daylight$6.83
- 20Red Dead Redemption 2$13.71
- 21The Witcher 3: Wild Hunt$9.77
- 22Baldur's Gate 3$53.60
- 23Phasmophobia$15.19
- 24War ThunderFree













