A High Frontier 4 All Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €17.08 (-12%) at G2A, Steam Account format · Cheapest official key: €19.50 · 2 verified stores, 2 offers in stock · Updated 46min ago.
Official stores are authorized distributors, and while their prices may be higher than Key stores, their reliability is 100%.
“Choose it if you don’t mind the price difference”Key stores are resellers and marketplaces, which is why they are usually cheaper than official stores. We only show the best ones, so you can rest assured. Plus, we offer our guarantee against any issues.
“Choose it if you’re looking for a great discount”Embark on an epic journey through the stars with High Frontier 4 All! As the head of a cutting-edge spacefaring company in 2020, your mission is to profit from the exploration and industrialization of our solar system. Each turn, make crucial decisions that will shape your strategy—perform key actions, move your rocket, and advance your company’s technological prowess.
High Frontier 4 All invites you to lead Earth's spacefaring factions in the ultimate race to industrialize the solar system. Bid for cutting-edge space technology patents and launch your rockets into Low Earth Orbit (LEO), where water serves as both currency and fuel. Strategically build and fuel your rockets to explore planets, asteroids, and more. Claim, prospect, and transform distant worlds into industrial hubs by establishing factories that produce vital resources.
Compete against other players over 48 turns (spanning 48 years) to earn victory points by making off-world claims, building factories, and achieving exploration milestones. The more you industrialize, the higher your stock prices soar, pushing you closer to victory!
With each turn representing a year, the game unfolds through Sunspot Cycles, offering diverse strategies and gameplay with multiple modules. Follow a structured, immersive ruleset that ensures no two games are the same. Whether you’re racing for glory or constructing a thriving space empire, High Frontier 4 All offers deep strategy, endless replayability, and the ultimate space exploration experience.
Differences & Missing Features from the board game
Pathfinding:
• While paths may not always be perfect, we are actively working on further enhancements.
Unlimited Structures:
• There is no limit to the number of outposts, claims, colonies, factories, and rockets that a player can have.
Scientific Fuel Calculation:
• Fuel calculation now uses the scientific rocket equation instead of the abstracted board game version.
Factory Assisted Take-Off:
• Not implemented.
Astrobiology, Atmospheric, and Submarine Site Features:
• Limited implementation.
First Player Privilege:
• Not available.
Solar Oberth Flyby:
• Treated as a regular hazard.
Lander Hazards:
• Currently functions like regular lander.
Rotating Heavy Radiator Components:
• No way to rotate heavy radiator components to their light side.
• If they should rotate automatically, they will instead be decommissioned.
High Frontier 4 All for PC starts at €17.08 at G2A, 12% under the €19.50 of the official store — but that is a shared account, not a key of your own. If you want a key tied to your own account, the cheapest is €19.50 at Steam.
Only 2 offers across 2 stores carry it, and thin supply means the price barely moves.
That puts it 12% under its average of €19.50 since 2026, so today is a better entry point than most days of its life.
That €19.50 key is expensive for what it usually costs.
Worked out from 279 daily records of the Steam Key for High Frontier 4 All across 2 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
With the shared account at G2A you log into an account that already owns the game: it is the cheapest route, but it never becomes yours and the seller keeps the credentials. If they ever lose or change them, you lose access.
The key at Steam costs €2.42 more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.
All 2 offers are Global, so the code redeems on any account no matter where it was created.
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* languages with full audio
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