About the Game
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game.
You are alone on your ship, in orbit above an undiscovered alien planet.
The windswept surface below is a radioactive wasteland. In orbit, the radiation levels are dangerous. Landing there would kill you in seconds, even through your spacesuit.
You have a remote control rover drone. The signal is weak and the interference is strong - the video feed is grainy with static. Use it to explore the surface of the planet, the derelict structures there, and the remains of alien machinery long dead... or perhaps just dormant.
Pilot your rover, bring back samples, and research them in the science lab. Use the objects you've found to enhance your rover. Try to figure out what happened here. Each time you start a new game, you are someone else, with a different story and unknown mysteries waiting on a new planet. With luck, you might leave with a cargo hold full of priceless alien artifacts and be wealthy for life.
Be careful. Bad things sometimes happen to lone explorers far from home.
Scavenger SV-4 is genre defiant - part simulator, part roguelike, with elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
You are alone on your ship, in orbit above an undiscovered alien planet.
The windswept surface below is a radioactive wasteland. In orbit, the radiation levels are dangerous. Landing there would kill you in seconds, even through your spacesuit.
You have a remote control rover drone. The signal is weak and the interference is strong - the video feed is grainy with static. Use it to explore the surface of the planet, the derelict structures there, and the remains of alien machinery long dead... or perhaps just dormant.
Pilot your rover, bring back samples, and research them in the science lab. Use the objects you've found to enhance your rover. Try to figure out what happened here. Each time you start a new game, you are someone else, with a different story and unknown mysteries waiting on a new planet. With luck, you might leave with a cargo hold full of priceless alien artifacts and be wealthy for life.
Be careful. Bad things sometimes happen to lone explorers far from home.
Scavenger SV-4 is genre defiant - part simulator, part roguelike, with elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Screenshots
14 images
Version Information
Steam Patch Notes
Official update history
On the site: Build 15010497
Up to date
Minor update to correct a possible issue with symbology in Medbay cabinets.
View on Steam
Hi, everyone. I've just deployed the v1.05 update to you all.
Patch notes:
Still working on: Why blue smoke can show up in your cockpit.
(I'd swear it can't, except that I have screenshots proving the contrary...)
Pre-patch BuildID: 2612918
Post-patch BuildID: 2651673
View on Steam
Patch notes:
- New feature: Active Research. Research runs on the selected slot with +20% bonus speed, if you are actively using the science terminal. Thanks, charlesdegregorio.
- Gameplay adjustment: Radar ranges adjusted downward to avoid low value radars being more useful in the field than high value radars - thanks Wakandan Knuckles.
- Tribute: Added a small decorative memorial easter egg for characters named SpectaKoo.
- Bug fix: Embarassingly, you could launch the rover via the main terminal interface, despite pending cargo operations still requiring it - thanks, Lantantan.
- Bug fix: Efficiency of "particularly efficient" power storage devices had an incorrect formula, making them be the opposite - thanks, Wakandan Knuckles.
- Bug fix: Fixed a bug that I don't even want to talk about, except to say that ghostrebel is a diabolical genius. Thanks, ghostrebel.
- Bug fix: Fixed a bug that would allow you to the if you the . Thanks, Deoxys; you are also a diabolical genius.
- Bug fix: Objects being moved onto the rover, outside the garage, could conceivably be preinstalled in error.
- Bug fix: Mortars fired in space would use the wrong colorspace, and produce bluish-purple smoke.
- Bug fix: Loading a saved game, after saving another game, could result in incorrect cargo system animations persisting into the new game.
- Bug fix: Altered Steam repository such that you will hopefully stop seeing the harmless "2 files repaired" message, if you validate integrity.
Still working on: Why blue smoke can show up in your cockpit.
(I'd swear it can't, except that I have screenshots proving the contrary...)
Pre-patch BuildID: 2612918
Post-patch BuildID: 2651673
I've just sent the v1.04 update out.
Patch notes:
Pre-patch BuildID: 2559292
Post-patch BuildID: 2612918
View on Steam
Patch notes:
- New content: Added four new ruins for you to discover on the surface.
- Game balance adjustment: Player arc weapons are now all significantly more accurate (Thanks, Misery)
- Game balance adjustment: All unguided rockets are now somewhat more accurate at close range
- General improvement: Fixed over a dozen spelling errors. (Thanks, ZwartLiska)
- Bug fix: Found and fixed a situation that would result in a strange blue smoke cloud appearing in the helm of your ship. (Thanks, retalaznstyle)
- Bug fix: Fixed a bug wherein friendly aircraft could die frozen in midair rather than crashing to the ground correctly. (Thanks, ZwartLiska)
Pre-patch BuildID: 2559292
Post-patch BuildID: 2612918
I've pushed v1.03 out to you all.
Patch notes:
Pre-patch BuildID: 2515674
Post-patch BuildID: 2555741
View on Steam
Patch notes:
- New button in Storage: "Sort by Value" - This will sort everything in the storage bay by value ascending, with empty spaces and unidentified items at the top. This makes the room more useful, and makes it a lot easier to decide what to throw overboard as the ship gets full on long runs.
- New Option (on by default): Rover Power Hotkeys. Turn these off in the config tool under Keybindings if you don't like them. 1234567890-= will toggle power on rover slots if you are somewhere with access to the switches.
- New decal: Your ship name and number is now written on the rover as well - this might help some future archaeologists associate the rover to the ship, and it's a nice touch. (Thanks, Krogoth5)
- Fixed: Some planet maps would result in the rover being under fire from the moment it landed the first time. This should no longer happen, or will at least be a lot less frequent. (Thanks, Retalaznstyle)
- Fixed: Derelict type 45 could float over the edge of chasm with no visible means of support. This won't happen anymore. (Thanks, QueenieChrysalis)
- Fixed?: Sentries could still spawn within derelicts, though not vaults. There's now additional code to attempt to prevent this occuring on new games. (Thanks, Retalaznstyle)
Pre-patch BuildID: 2515674
Post-patch BuildID: 2555741
I've pushed another patch live.
Patch notes:
Pre-patch BuildID: 2496681
Post-patch BuildID: 2515674
View on Steam
Patch notes:
- New button in Helm: "Reset landing zone" - use this while the rover is on board the ship to revert your next landing to be back where you started the game, rather than your last recall site. This can be helpful to avoid hostile sentries or to continue a run after recall from a place where the rover was stuck. Your current LZ will show on the survey data map as an X. (Thanks Misery.)
- Fixed: Land tiles could under rare conditions remain visible as ghosts when loading new maps, due to a math error. (Thanks Pat.)
- Fixed: Sentries should no longer spawn within vaults, and vaults should no longer spawn encasing sentries. (Thanks Dalas3.14159.)
- Fixed: You could click on the "Continue game" button, even when it wasn't there. (Thanks Pat.)
- Fixed: Leaving the Engineering terminal could latch the "Force reboot" button on even after you had left, which was confusing.
- Fixed: Minor spelling errors here and there.
- Fixed: Clicking "Recall" while holding rover drive controls could latch the rover drive power and heat demands on, until your next landing
- Improved: Reduced the chances of top epilogue text overlapping bottom epilogue text. (Thanks Davis.)
Pre-patch BuildID: 2496681
Post-patch BuildID: 2515674
I've pushed the v1.01 patch live.
Patch notes:
Pre-patch BuildID: 2411101
Post-patch BuildID: 2496681
View on Steam
Patch notes:
- Mouse Invert is now supported - you can turn it on in the config tool
- A crash bug during rover reentry reported by Jawnycat and Kepz is fixed.
- AF type modules now properly impact Type 2 sentries
- If you can't move the rover around your ship due to pending cargo fork operations, a message is now displayed where the move buttons would be.
Pre-patch BuildID: 2411101
Post-patch BuildID: 2496681
Current Release
Build 15010497
Uploaded Oct 16, 2026
System Requirements
OS
N/A
CPU
2.4ghz
RAM
2 GB RAM
GPU
DirectX9, Shader Model 2 - Geforce 6800 / Radeon X1900 or better
How to Install
1
Download all files
2
Extract the .ZIP file to a folder (use WinRAR or 7-Zip)
3
Run Scavenger.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Archive password
Needed when extracting (WinRAR / 7-Zip) — not a site login.
CRC32
48DE3EFC
SHA-256
5cc841958b0379dd45b24312f3e748caa9a6f927b2a39e2cd3787401a757e1e0
How: Right-click the downloaded file → 7-Zip / WinRAR → CRC SHA → compare with the values above.
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Download Scavenger SV-4 for PC with a direct link or via torrent. Get the full version of Scavenger SV-4 for free. Scavenger SV-4 is a Action released by Deric Ruhl.