Moon Sweepers

Somewhere between a chore simulator and a co-op comedy, Moon Sweepers hands you a toothbrush and the entire lunar surface to scrub. The premise is dead simple: the Moon is filthy, the Lunar Surface Department (LSD) is underfunded, and your crew is the cleanup detail. We downloaded the pre-installed build (v1.0.4, 0.5 GB), ran it on a Windows 10 test rig, and spent a few hours brushing dust off craters to see whether the joke holds up beyond the first ten minutes.

It mostly does. What starts as a gag about a broke space agency slowly turns into a surprisingly moreish progression loop: sweep dust, haul it to a depot, launch shipments, buy better gear, repeat. If you have ever lost an evening to a farming or cleaning sim, this one will scratch the same itch, just with lower gravity and worse equipment.

Technical Specifications

Download Moon Sweepers v1.0.4 (0.5 GB)

What Moon Sweepers Actually Plays Like

After downloading and running the build, the first thing our team noticed is how literal the game is about its own premise. You spawn on a dusty patch of lunar terrain holding a brush that covers roughly the area of a postage stamp. Every pass clears a small strip of ground and dumps dust into your storage. Fill the storage, walk it to a depot, launch a shipment, get paid. That's the core loop, and the game leans into the tedium on purpose, at least at the start.

The humor carries the early hours. The game never lets you forget that the budget only covered a toothbrush, and the gradual upgrade path from that sad little brush to proper cleaning tools and vehicles feels earned rather than handed to you. I noticed the terrain visibly changes as you clean, which is a small detail but a satisfying one when you pan the camera back and see a clean stripe cutting through the gray.

Co-Op Lobbies Up to 16 Players

The headline feature is online co-op for up to 16 players. You can spread out across the map to cover more ground or gang up on the same crater. In our sessions, splitting up was clearly more efficient, but the game's own description jokes that whether everyone actually works is another matter, and that matches what we saw. Lobbies fill fast, and the shared progress means one productive player can drag a lazy crew forward.

Multiplayer setup is where things get fiddly. The listing includes an online fix option alongside the direct download. The process is: download the online fix files, extract them, copy the contents into the game folder, and replace when prompted. Then launch the game, open the Steam overlay with Shift + Tab, and invite your friends. One user in the discussion thread reported multiplayer not appearing at all, so results can vary depending on how carefully you follow the copy-and-replace step. Our advice is to do it exactly as written and confirm the files landed in the right folder before launching.

Key Features

• Online co-op for up to 16 players — split up to cover more lunar ground or clean the same area together.
• Dust collection and shipment economy — fill storage, deliver to a depot, and launch shipments to get paid.
• Tool and capacity upgrades — spend earnings on better cleaning tools and larger carrying capacity for bigger jobs.
• Visible terrain progress — watch dusty ground turn clean with every pass and track your progress across the surface.
• Depot placement and cleaning vehicles — position depots near your work and bring vehicles in as your operation grows.
• First-person physics-driven exploration — drive, explore, and automate your way across an open lunar map.
• Controller support — full gamepad support is listed for the build.

Performance and Optimization: An Honest Look

This is where we have to be blunt. The game is small (0.5 GB) and it launches quickly, but optimization is a weak point. In the user discussion, one player on a Ryzen 7 7800X3D with an RX 7900 GRE 16GB reported poor 1% lows, which points to frame-time stutter rather than raw GPU load. Our own test machine, which sits closer to the listed minimum spec, ran acceptably but showed occasional hitches when multiple players were cleaning the same dense dust field.

If you are on a high-refresh-rate setup, temper expectations. The game is playable, but it is not polished to the level of a big-budget sim. That said, the developer has been shipping updates. The current build, 26203101, moved the game from v1.0.3 to v1.0.4 on October 26, 2026, and the last Steam update landed October 25, 2026, so the game version is up to date per the listing.

Pros & Cons

• Pros: Genuinely funny premise that sustains the early game; satisfying visible cleaning progress; 16-player co-op is generous for an indie title; clear upgrade loop with real payoff; tiny 0.5 GB download that installs fast.
• Cons: Progression and endgame have been criticized as thin by early players; optimization issues with frame-time stutter on high-end hardware; multiplayer setup requires manual file copying and can fail if steps are missed; the opening grind is intentionally slow and won't suit everyone.

On the progression complaint specifically, one early reviewer summed it up as "addicting but progression and endgame are ass." We would soften that slightly: the loop is addictive, and the endgame is the part that needs work. If you are the type who needs a long tail of content, know that going in.

Version Freshness and What Changed

The build we tested is v1.0.4, current build 26203101, tested on Windows 10 on October 26, 2026, and marked as passed in the staff test record. The update history shows a jump from v1.0.3 to v1.0.4 on the same day. The listing marks the game version as up to date and was last checked about an hour before publication. The developer field is not populated in our source data, so we are not going to invent one; if you want to support the team directly, the listing points to the game's Steam page.

If you enjoy lunar-themed games with a lighter tone, our coverage of Moonlight Peaks is a good companion read, and Crimson Moon is worth a look if you want something darker set on the same rock.

Installation Notes That Actually Matter

We are not going to pad this with generic steps, but a few practical notes from our install are worth passing along. The executable is MoonSweepers.exe. Before you launch, install the necessary apps from the Redist or _CommonRedist folder so the game starts without missing-runtime errors. Extract the game into an antivirus or Defender excluded folder, because real-time scanning can quarantine files mid-extraction. Run the game as administrator. There is an Installation Guide.txt inside the game files if you want the full walkthrough.

Startup was quick on our rig; the game was playable within a minute of first launch. The main friction point is multiplayer, not installation. If co-op does not appear after the online fix, re-check that you replaced the files in the correct directory rather than a nested subfolder.

Who Should Download Moon Sweepers

If you like co-op sims, cleaning games, or comedy-driven indies and you have a crew of friends willing to put in an hour, Moon Sweepers is an easy recommendation at 0.5 GB. The price of entry is low, the loop is sticky, and the 16-player lobbies are a genuine draw. If you need a deep endgame or you are sensitive to frame-time stutter, wait for a few more patches before committing an evening.

Download Moon Sweepers Free — v1.0.4, 0.5 GB

Our team's verdict: a scrappy, funny lunar cleaning sim with a strong core loop and a rough edge or two. Grab the current build, bring friends, and start brushing.