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Reentry - A Space Flight Simulator
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“I spent an entire day off from work flying to the moon and then back again without saving or loading. It involved flipping switches hundreds of times, following dozens of checklists, and pressing V37 on a pretend version of a 60 year old computer until it was second nature. This…”
— a player, Steam review · 70 hrs played“Reentry is an insane project. It's a single-dev game that managed to become a cornerstone of space simulators, along the likes of NASSP/Orbiter. I don't know how Petri managed to pull that off, but he designed a sim that is both in depth systems-wise and very pretty to look at.…”
— a player, Steam review · 20 hrs played“For those who wished KSP had more switches inside of the cockpit. You can fly Mercury, Gemini, or Apollo spacecraft, with almost every switch and knob faitfully simulated. You can learn to fly these spacecraft by reading the original NASA documentation from the 1960s and 1970s.…”
— a player, Steam review · 75 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-24 00:42 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Patch 1.1.0 - VR, Bug Fixes, Development Phase Change
With the 1.0 launch behind us and many of the major launch issues addressed, development is now gradually shifting back to normal. This means continued improvements and bug fixes for existing content,
Patch 1.0.84 - Mercury "Game Over's", Apollo fixes, bug fixes
After a long month of administrative and tax related tasks I am back to finally be able to fully focus on development again. The game will transition to version 1.1 very soon but before doing so I wan
Patch 1.0.51 - CM Housekeeping lesson, GDC Align, CO2, bug fixes + 1.0.54 hotfix
Update: Version 1.0.54 was rolled out as a minor hotfix for some additional logic related to the Attitude Indicator Alignment drive logic. You can always revert to a previous version via the Steam Bet
Patch 1.0.42 - Content and Bug Fixes, CM Battery Charger
This minor update focuses on improving overall usability and addressing issues reported by the community following the recent physics update. Several mission typos have been corrected, along with smal
Reentry has been updated to 1.0.41 - Gravity Engine version update
The goal of this upgrade is first and foremost to improve overall stability and reliability of the physics engine. It brings in important bug fixes from the latest engine versions and lays the foundat
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Adventure, Indie, Simulation, Strategy |
| Player tags | Early Access · Space · Simulation · Flight · Space Sim · Open World · Realistic · Immersive Sim · Exploration · Science · Physics · Military (SteamSpy community voting) |
| Features | Single-player · Multi-player · Steam Achievements · Steam Workshop · Steam Cloud · Steam Leaderboards · Includes level editor · Family Sharing |
| Languages | English * * |
| Achievements | 22 |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
| Official site | http://reentrygame.com/ |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 64-bit Processor: Intel Core i5 6400 / AMD Athlon X4 845 Memory: 16 GB RAM Graphics: NVIDIA RTX 2060 w/ 6GB VRAM, NVIDIA GTX 1070 Ti w/8GB VRAM / AMD Radeon 5600XT w/ 6GB VRAM DirectX: Version 11 Storage: 20 GB available space