Choose Portal
Choose Portal if you want the Includes Source SDK side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 81,472 Steam reviews back the pick.
Portal vs Cubin
Portal and Cubin both land in Action 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 are Action games on Steam. Portal (2007) is 18 years older than Cubin (2025). Cubin is currently ~20% cheaper on Steam than Portal (7.99 USD vs. 9.99 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 Cubin
Choose Cubin if you want an Adventure game with HDR available, Adjustable Text Size, and Color Alternatives. On Steam, it's currently about 20% cheaper on the Steam Store. Cubin launched in 2025.
Both Portal and Cubin sit in Action on Steam and both list Subtitle Options, Camera Comfort, and Custom Volume Controls, 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
 Portal |  Cubin | |
|---|---|---|
| Released | 2007 | 2025 |
| Genres | Action | Action, Adventure |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 9.99 USD | 7.99 USD |
| Steam reviews | 98.7% positive (81,472 reviews) | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Valve | Limsod Games |
Side by side
- Both are Action games on Steam.
- Portal (2007) is 18 years older than Cubin (2025).
- Cubin is currently ~20% cheaper on Steam than Portal (7.99 USD vs. 9.99 USD).
- Portal is Deck Verified on Steam Deck; Cubin has no Deck rating yet.
Portal vs Cubin — FAQ
- Should I play Portal or Cubin first?
- If you want chronology, Portal (2007) came out before Cubin (2025). 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 Portal and Cubin similar?
- They overlap on Action 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 Portal run on Steam Deck?
- Yes — Portal is rated Deck Verified by Valve. Cubin doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.