Choose Million Depth
Choose Million Depth if you want a Strategy experience. Million Depth launched in 2025.
Million Depth vs Sourcebound
Million Depth and Sourcebound both land in Action, Indie 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 Action, Indie on Steam. Million Depth (2025) is 1 year older than Sourcebound (2026). Sourcebound is currently ~81% cheaper on Steam than Million Depth (3.19 USD vs. 16.99 USD). 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 Sourcebound
Choose Sourcebound if you want the Camera Comfort, Custom Volume Controls, and Stereo Sound side of the pairing. On Steam, it's currently about 81% cheaper on the Steam Store. Sourcebound launched in 2026.
Both Million Depth and Sourcebound sit in Action and Indie on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Million Depth |  Sourcebound | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Action, Strategy, Indie | Action, Indie |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Deck Playable | Unrated |
| Price | 16.99 USD | 3.19 USD |
| Steam reviews | 97.8% positive (139 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Cyber Space Biotope | Petit Vaisseau |
Side by side
- Both share Action, Indie on Steam.
- Million Depth (2025) is 1 year older than Sourcebound (2026).
- Sourcebound is currently ~81% cheaper on Steam than Million Depth (3.19 USD vs. 16.99 USD).
- Million Depth is Deck Playable on Steam Deck; Sourcebound has no Deck rating yet.
Million Depth vs Sourcebound — FAQ
- Should I play Million Depth or Sourcebound first?
- If you want chronology, Million Depth (2025) came out before Sourcebound (2026). 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 Million Depth and Sourcebound similar?
- They overlap on Action, Indie 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.
- Does Million Depth run on Steam Deck?
- Yes — Million Depth is rated Deck Playable by Valve. Sourcebound doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.