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Mars Underground

Developer Matt SandersonPublisher Matt Sanderson

Mars Underground is an apocalyptic adventure where you relive the same day over and over. With each cycle new items can be picked up and topics unlocked.​ Explore the possibilities of this timeloop and uncover multiple endings.

Top SellersNot ranked

Updated Oct 20, 2026.

Wishlist RankNot ranked

Updated Oct 20, 2026.

This app is not in the latest Top Sellers or Wishlist snapshots. It can still gain richer metadata from catalog or watchlist syncs.
Store
Developer benchmark

Metadata synced: Jul 10, 2026 · Not queued

Prices & bundle history

Steam ↗FreeChecked · older than 24h
GG official storesNot recordedNo cached observation
GG keyshopsNot recordedNo cached observation
Steam reviews5596.36363636363636% positive
Recorded bundles1Checked · older than 24h

Cached US/USD prices; checkout prices may differ. Bundle history covers recorded observations and may be incomplete.

Bundle history & historical prices

View history on GG.deals ↗

Rank History

Recent appearances for this app across complete public snapshots.

This app has not appeared in the stored Top Sellers or Wishlist snapshots yet.

Data Coverage

What SteamFueled currently has for this app.

Store metadata
Synced Jul 10, 2026
Available
Reviews
55 reviews
Available
Tags
16 tags synced
Available
Links
2 public links
Available
Current players
Waiting for player count sync
Pending
Top Sellers
Not in latest snapshot
Pending
Wishlist Rank
Not in latest snapshot
Pending

Store Details

Public Steam metadata captured from appdetails. Contact-specific fields stay backend-only.

Platforms
Linux, Windows
Steam recommendations
Not synced
Review rating
Very Positive
Weighted score
76.2%
Current players
Not synced
Achievements
22
Metacritic
Not synced
Required age
Not listed
WebsiteSupport

Snapshot Details

Source context for the latest complete public rank snapshots.

Top Sellers
-
-
Previous - - Updated Oct 20, 2026
Snapshot size: 9,029 rows.Steam public Top Sellers rank order from the latest complete SteamFueled snapshot.
Wishlist Rank
-
-
Previous - - Updated Oct 20, 2026
Snapshot size: 5,308 rows.Steam public wishlist-rank order, not an exact private wishlist count.

Tags

Public Steam tags split by source. Store tags and genres are used more heavily for benchmark similarity than feature categories.