Where to Buy The Expanse: Osiris Reborn
The Expanse: Osiris Reborn Gameplay Video
The Expanse: Osiris Reborn Key Specifications
| Specification | Detail |
|---|---|
| Platform Exclusive | Current-Gen Only (PS5, XSX, PC) |
| Development Engine | Unreal Engine 5 |
| Space Combat | None (Cinematic Cutscenes Only) |
| Origin Choices | 3 (Earther, Martian, Belter) |
| Active Squad Size | 3 (Player + 2 Companions) |
The Expanse: Osiris Reborn System Requirements
1080p
tune Minimum (Est.) – Low-Medium / 30 FPS
tune Recommended (Est.) – High / 60 FPS
1440p
tune Ultra (Est.) – Ultra / 60 FPS
2160p
tune 4K Enthusiast (Est.) – Ultra / 60 FPS (DLSS Quality)
The Expanse: Osiris Reborn Laptop Recommendations
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Core Requirements
- desktop_windowsOperating System: Windows 10/11 (64-bit)
DirectX 12 Agility SDK support is required.
- memoryDirectX: DirectX 12 Ultimate
Required for hardware-accelerated ray tracing and mesh shaders.
- save_altStorage Note: 110 GB NVMe SSD
Mechanical HDDs will result in extreme texture pop-in and loading failures.
settings_applications Optimization Notes:
Upscaling: Native support for DLSS 3.5 (Ray Reconstruction), FSR 3.1, and XeSS.
Key Settings: Global Illumination (Lumen) and Physics Destruction scale heavily with GPU/CPU.
The Expanse: Osiris Reborn: Map Size and Regions
The game utilizes a semi-open world 'Hub and Spoke' model. Major hubs include the Belter slums of Ceres, the militaristic citadels of Mars, and the luxury districts of Luna. Each hub contains multiple detailed mission sub-zones. Environmental diversity ranges from claustrophobic, dark asteroid tunnels to the vibrant agricultural domes of Ganymede. The 'Gemini' serves as the primary mobile hub connecting these distant solar system regions.
The Expanse: Osiris Reborn: Post-Launch Content / DLC
Owlcat has confirmed significant post-launch support including story expansions ('The Gate' DLC) and additional companions. Cosmetic skin packs for the Gemini and crew are also planned. There are no plans for microtransactions or battle passes.
The Expanse: Osiris Reborn Skills & Upgrades Overview
The system is classless and fluid. Players invest in attributes like Science, Persuasion, and Tactical Combat. Skill checks are non-RNG; success is guaranteed if your point value meets the threshold. Combat upgrades involve weapon-specific proficiency and gadgets like tactical drones or high-fidelity visors. The 'Exploit System' allows players to upgrade companion-specific synergies, enabling massive environmental combo attacks based on the squad's composition.
The Expanse: Osiris Reborn: Game Editions
Standard Pack ($49.99): Base game + Early Adopter item. Deluxe Pack ($59.99): Name in credits + Miller’s OPA Armor. Miller’s Pack ($79.99): All Deluxe content + Miller’s Revolver + 2026 Beta Access. Collector's Edition ($289.00): Includes all digital items plus a physical 8-inch Gemini spaceship model, faction patches, and a hardcover artbook.
The Expanse: Osiris Reborn: Cross-Platform / Crossplay
Single-player only. However, it supports 'Xbox Play Anywhere' (cross-buy between PC and Xbox) and features cross-save functionality between PC, PS5, and Xbox Series X/S via an Owlcat account.
The Expanse: Osiris Reborn: Top 5 Weapons (Subjective/Iconic)
- 1. Miller's Revolver: A high-caliber, slow-firing legacy weapon. 2. Spec Ops Assault Rifle: The versatile backbone of Pinkwater mercs. 3. MCRN Rail-Sniper: A Martian-tech rifle capable of piercing light cover. 4. Belter Slag-Shotgun: Brutal at close range with high kinetic impact. 5. Tactical Submachine Gun: Optimized for high-G combat and Zero-G recoil management.
The Expanse: Osiris Reborn Specific Game Elements
The Expanse: Osiris Reborn Weapons
- security
MCRN Tactical Rifle (Assault Rifle)
Standard issue Martian firearm with superior Zero-G recoil stabilization.
- security
Miller's Revolver (Handgun)
High stopping power; ancestral relic of a detective.
- security
Scrap-SMG (Submachine Gun)
A high-RoF Belter weapon built for close-quarters asteroid tunnels.
The Expanse: Osiris Reborn Vehicles
- directions_car
The Gemini (Stealth Frigate)
A hijacked Protogen ship that serves as the player's mobile base and hub.
The Expanse: Osiris Reborn Animals / Creatures
- pets
Eros Blue-Growth (Alien Organism)
Role: Environmental Hazard
- pets
Protomolecule Hybrid (Extraterrestrial/Mutant)
Role: Apex Predator / Elite Enemy
The Expanse: Osiris Reborn Characters
- person
Aleesha - Electronic Warfare Specialist (Recruitable Companion)
Brilliant hacker and drone operator who subverts enemy tech.
- person
J (or JJ) - Executive Officer (Core Crew)
The player's identical twin sibling; loyal but impulsive right hand.
- person
Michael - Heavy Gunner (Recruitable Companion)
Disillusioned UN soldier providing heavy firepower and shields.
Top 3 Characters:
The Expanse: Osiris Reborn Missions / Objectives
- flag
Eros Lockdown (Campaign Opening)
Objective: Escape the station during the Protomolecule outbreak.
- flag
The Ganymede Incident (Main Story Mission)
Objective: Investigate reports of a missing scientist in the agricultural domes.
Top 3 Missions/Objectives:
from Eros: A high-tension tactical retreat during the Protomolecule outbreak. 2. The Hijacking: A Zero-G boarding mission to secure the Protogen stealth ship 'Gemini.' 3. Ganymede Ghost: An investigation into a Protomolecule lab incident.
The Expanse: Osiris Reborn Companions / Summons
- group
Regina (Human)
Ability: Precision Exploit: High-damage sniper strikes and infiltration.
- group
Zafar (Human)
Ability: Malfunction Exploit: EMF devices to disable enemy shields and turrets.
The Expanse: Osiris Reborn Collectibles
- collections_bookmark
Gemini Model
Location/Use: Captain's Cabin (Founder Reward)
- collections_bookmark
Star-Helix Badge
Location/Use: Ceres Hub (Hidden side-quest reward)
Top 3 Collectibles:
Decorations: Exclusive items for the Captain's Cabin. 2. Faction Medallions: Hidden tokens that unlock unique lore entries. 3. Miller’s Notes: Discarded logs found on Eros and Ceres that bridge the narrative to canonical events.
The Expanse: Osiris Reborn Armor
- shield
MCRN Goliath Suit
Focus/Stats: High health boost; integrated mag-boot stabilizers.
- shield
Miller's OPA Heavy Armor
Focus/Stats: Increased kinetic resistance; bonus to Belter faction reputation.
The Expanse: Osiris Reborn Clothing / Appearance
- checkroom
Miller's Casual Outfit
Details: Iconic hat and trenchcoat variant for the protagonist.
The Expanse: Osiris Reborn Other Features & Info
- labelMultiplayer Modes
None. The game is designed exclusively as a single-player narrative experience to ensure maximum focus on player choices and the 'Mass Effect-style' cinematic story.
- labelUser Interface
A diegetic 'augmented reality' HUD that projects ammo and health data through the protagonist's suit visor. In Zero-G, the UI includes a vector-alignment tool to help players maintain orientation. Menus are inspired by 24th-century tech terminals seen in the television series.
- labelSound and Music
Features a realistic vacuum-audio mode where sound is muffled and vibrations travel through the suit/boots. The score is a blend of orchestral and electronic synth, matching the gritty tone of the show. Original series actors reprise their roles, including voice work for key canonical cameos.
- labelGraphics and Visuals
Powered by Unreal Engine 5. Highlights include Lumen for realistic space lighting (stark shadows/harsh sunlight) and Nanite for ultra-detailed asteroid surfaces. Environmental destruction allows cover to be chipped away during firefights.
- labelAccessibility Features
Includes text-to-speech, colorblind modes for tactical visors, adjustable Zero-G motion sickness settings, and a 'Story Mode' difficulty. Combat can be paused for tactical planning (though it remains a real-time shooter).
- labelStory and Setting
Set between 'Leviathan Wakes' and 'Caliban's War,' the game explores the fallout of the Canterbury's destruction. Players are thrust into a conspiracy involving the Protogen corporation and the horrifying Protomolecule. The narrative follows a Pinkwater Security mercenary and their twin (J) as they escape the Eros massacre aboard the hijacked 'Gemini.' The game features iconic locations like Ceres, Eros, Luna, and Ganymede, blending established canon with an original, choice-driven mercenary storyline.
- labelTop 3 Mounts/Companions
- 1. The Gemini: Your mobile hub and stealth-ship 'mount.' 2. Teo’s Medical Drone: A combat companion that deploys stimulants. 3. Michael’s Auto-Cannon: A heavy fire-support companion weapon.
The Expanse: Osiris Reborn Frequently Asked Questions
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help_outline Can I pilot the Gemini manually?No. Owlcat focused on narrative depth, so space travel and combat are handled through cinematic cutscenes.
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help_outline Does my origin choice matter?Yes. Being an Earther, Martian, or Belter changes dialogue options, faction reputation, and access to certain side quests.
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help_outline Is the game coming to PS4 or Xbox One?No, it is a current-gen exclusive built on Unreal Engine 5.
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help_outline How do I access the Closed Beta?Access is guaranteed by pre-ordering the Miller’s Pack or Collector’s Edition. It begins April 22, 2026.
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help_outline Who is J?J is your identical twin sibling, whose appearance and gender match your customized protagonist.