Game Overview
A ruined subterranean facility becomes the unlikely foundation for a second chance on a hostile distant planet. Mercury Fallen is a relaxed sci-fi colony simulator built around waking stranded colonists, restoring their damaged shelter, and gradually turning a forgotten outpost into a self-sufficient home. Its mood is more thoughtful than punishing: the planet remains mysterious and resources matter, but the game favors steady planning and exploration over relentless disaster management. Story missions give the rebuilding effort a sense of purpose as the survivors uncover what happened during their far-too-long stasis sleep.
Players lay out rooms, corridors, power networks, storage, farms, workshops, and medical facilities while assigning colonists to jobs that keep the settlement functioning. Mining surrounding rock opens space for expansion and exposes new materials, abandoned sections, and points of interest, while research unlocks improved equipment and production options. Managing food, water, oxygen, energy, and supplies forms the central loop, but the pacing allows time to redesign inefficient areas or pursue optional objectives rather than constantly reacting to catastrophe. Colonists develop needs and require sensible work priorities, making a well-organized base as important as a large one.
Mercury Fallen stands apart from harsher survival-management games by making its colony building approachable without stripping away the satisfaction of a carefully balanced production chain. Procedurally arranged environments keep each new settlement from feeling identical, while guided objectives offer useful direction for players who do not enjoy being dropped into a sandbox with no clear goals. The clean, readable interface and underground base-building focus give it a different flavor from RimWorld’s interpersonal chaos or Oxygen Not Included’s more demanding engineering puzzles. It suits newcomers looking for a calmer introduction to the genre, while experienced management fans can enjoy optimizing layouts, researching upgrades, and expanding a compact sci-fi settlement at their own pace.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Mercury Fallen folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 7 / 8 / 10
- Processor: 2.4 GHz Dual Core
- Memory: 4 GB RAM
- Graphics: DirectX 11 compatible card (shader model 3)
- DirectX: Version 11
- Storage: 500 MB available space
- Additional Notes: 64-bit CPU and OS
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Mercury Fallen (v1.15)?
After extracting Mercury Fallen (v1.15), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 315.43 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements, including Version 11. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.