Moon Sweepers PC System Requirements

The Official Specs

Straight from the store page, unchanged:

Two things stand out. First, the install footprint is tiny — 2 to 4 GB is nothing by modern standards, so storage is never the deciding factor. Second, the network requirement is listed for both tiers, which is unusual for a game with a full single-player mode. Treat it as a signal that the game expects to be online even when you are playing alone.

Reading the Specs Honestly

The minimum tier is not a "runs badly" tier. An i5-8400 with a GTX 1650 and 8 GB is a competent 1080p machine, and a cleaning game with a modest art budget should sit comfortably inside it. The question is not whether the game launches — it is whether it stays smooth as your world grows.

Moon Sweepers has a specific performance shape that most spec sheets do not capture:

• Early game is light. Empty surface, one player, no machines.
• Mid game is medium. Vehicles moving, stations placed, conveyors running.
• Late game is heavy. Large bases, many machines, automation units, and up to sixteen players sharing state.

Community reports describe exactly this curve, including patch notes about save loading and world-state syncing for large bases. If you are planning a long co-op campaign, build toward the recommended tier rather than the minimum. If you are playing a few solo sessions and moving on, the minimum is genuinely enough.

The multiplayer guide covers what a full lobby does to that load, and the progression guide explains why your base gets heavier as it gets better.

Platform Availability

There is no crossplay to worry about, because there is no second platform. Online co-op for up to 16 players runs through Steam, and everyone in the lobby needs the Windows build.

If you are on a Mac, the practical options are a Windows partition or a cloud PC; neither is officially supported, and neither is something this wiki can confirm works well. For Linux and Steam Deck, the honest position is that the game is not verified for either, and Proton compatibility has not been publicly established. It may run. It is not a supported configuration, and no guide should tell you otherwise five days after launch.

What to Do If It Runs Poorly

Since the game is new and patching, most performance problems are either settings or version issues rather than hardware limits. In rough order of likelihood:

1. Update your GPU driver. A five-day-old release usually benefits from the newest driver branch, and a stale driver is the most common cause of a first-launch crash.
2. Verify the game files. Steam's file check fixes a surprising share of launch-day corruption, especially after a patch.
3. Match versions with your lobby. Version mismatch is repeatedly cited as a cause of failed joins in co-op, and a partial update can also produce odd in-game behavior.
4. Lower settings before you lower player count. Shadows and draw distance are usually the cheapest wins; dropping from sixteen players to eight is the last resort, not the first.
5. Check whether the slowdown is your base, not your PC. A large automated base is genuinely heavier than a fresh world. If a new save runs fine and your main save does not, you have found the cause.

Buying Advice, Briefly

At $8.99 — or $7.64 during the 15% launch discount that runs through October 30, 2026 — the spec question is almost academic. This is not a game that requires an upgrade to enjoy; it is a game that rewards one if you plan to run a long campaign with a full crew.

The one purchase worth thinking about is RAM. Sixteen gigabytes is the recommendation for a reason, and it is the cheapest part of the recommended build to fix. If you are assembling a crew from friends with mixed hardware, ask about RAM and GPU generation before you ask about anything else, and point the ones on older laptops at the beginner guide so their first session is not spent fighting settings menus. The wiki home page has the rest of the index if you are still deciding whether to buy.