An Aphelion 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 €19.02 (€20.73 with fees, -1%) at Kinguin, Steam Gift format · Cheapest official key: €20.99 (no fees) · 2 verified stores, 2 offers in stock · Updated 05h 11min ago.
By 2060, Earth will be uninhabitable. The discovery of a 9th planet – Persephone – at the edge of the solar system, is humanity's best hope. The European Space Agency is dispatching the Hope-01 scientific mission, consisting of 2 of their accomplished astronauts, Ariane and Thomas. Their mission: to survey the planet and determine whether humanity can prosper anew here.
Your adventure begins in chaos, as the crash landing of their ship scatters them across the planet, launching them on a desperate quest to find one another.
Aphelion is a cinematic third-person action-adventure set on the planet Persephone, an uncharted, frozen world. Stranded and isolated, you must survive the truly unknown, find each other, and complete the mission. Traverse stunning alien landscapes, avoid lurking threats, and discover the haunting secrets buried beneath the ice.
Explore the surreal beauty of Persephone, a vast frozen world shaped by deadly weather and ever-changing terrain.
Armed only with your explorational tools – pathfinder, oxygen tank, grappling hook, and more – you must face the unknown, traverse treacherous terrain, and gather clues about the strange, reality-bending phenomenon threatening your existence.
Ariane must persevere and push forward to save Thomas. Her Pathfinder tool helps her find the way through the shifting expanse. She faces desperate swings over dark chasms and tricky climbs up melting ice – risking her life with every step. Thomas, injured in the crash, must rely on ingenuity and observation, piecing together what surrounds him to survive. As both characters explore and investigate, they will uncover secrets and clues as to the planet’s strange conditions and what caused the crash of their ship.
You are not alone. There is a hostile lifeform stalking you. Avoid detection in tense, thrilling stealth sequences; use the environment to your advantage, and stay one step ahead of whatever hunts you. Explore Persephone and complete the mission, all while trying to survive in the terrifying presence of an unknown enemy.
Helpless on the edge of the solar system, the Hope-01 crew faces a brutal new world and the echoes of a complicated past. Ariane Montclair and Thomas Cross share a deep connection, a relationship left unresolved by the demands of their careers and their mission. Facing overwhelming odds, their fractured bond becomes a lifeline as they grasp in the dark for one another.
Key Features:
Grounded sci-fi exploration: a realistic depiction of near-future space exploration
Dual-perspective survival: experience both Thomas’s resourceful investigation and Ariane’s high stakes parkour gameplay
Cinematic third-person action: gripping traversal mechanics, with grappling, sliding, and momentum-driven movement
Tense stealth encounters: face an alien threat in tense and exciting stealth-based sequences
An emotional core: two astronauts bound by a complicated past, fighting to find each other
Aphelion for PC starts at €19.02 (€20.73 with fees) at Kinguin, a Steam gift, which is 1% under the €20.99 (no fees) it costs on the official store.
Only 2 offers across 2 stores carry it, and thin supply means the price barely moves.
That puts it 18% under its average of €25.49 since 2026, so today is a better entry point than most days of its life.
That €20.99 (no fees) key is at one of its best prices.
Worked out from 275 daily records of the Steam Key for Aphelion across 3 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.
By format: Steam Gift from €19.02 (€20.73 with fees) and Steam Key from €20.99 (no fees).
All 2 offers are Global, so the code redeems on any account no matter where it was created.
* languages with full audio
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