Choose To the Moon
Choose To the Moon if you want a RPG experience. 19,211 Steam reviews back the pick.
To the Moon vs Mars Underground
To the Moon and Mars Underground both land in Indie, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Indie, Adventure on Steam. To the Moon (2012) is 7 years older than Mars Underground (2019). Both sit near 95% positive on Steam (To the Moon: 19,211 reviews, Mars Underground: 42). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Mars Underground
Choose Mars Underground if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Mars Underground launched in 2019.
Both To the Moon and Mars Underground sit in Indie and Adventure on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (95.5% vs 95.2% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 To the Moon |  Mars Underground | |
|---|---|---|
| Released | 2012 | 2019 |
| Genres | Indie, Adventure, RPG | Indie, Adventure, Free To Play |
| Platforms | Windows, macOS, Linux | Windows, Linux |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 9.99 USD | Free to play |
| Steam reviews | 95.5% positive (19,211 reviews) | 95.2% positive (42 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Freebird Games | Matt Sanderson |
Side by side
- Both share Indie, Adventure on Steam.
- To the Moon (2012) is 7 years older than Mars Underground (2019).
- Both sit near 95% positive on Steam (To the Moon: 19,211 reviews, Mars Underground: 42).
- Mars Underground is free; To the Moon is paid (9.99 USD).
- Both are Deck Playable.
To the Moon vs Mars Underground — FAQ
- Should I play To the Moon or Mars Underground first?
- If you want chronology, To the Moon (2012) came out before Mars Underground (2019). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are To the Moon and Mars Underground similar?
- They overlap on Indie, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Is Mars Underground free?
- Yes — Mars Underground is a free-to-play Steam title. To the Moon is paid (9.99 USD).