Choose Portal 2
Choose Portal 2 if you want the Online Co-op, Shared/Split Screen Co-op, and Camera Comfort side of the pairing. On Steam, it carries the stronger Steam consensus at 98.9% positive across 169,764 reviews.
Portal 2 vs Polarity
Portal 2 and Polarity both land in Action, 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 Action, Adventure on Steam. Portal 2 (2011) is 5 years older than Polarity (2016). Portal 2 scores higher on Steam reviews (98.9% positive) than Polarity (74.3% positive). 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 Polarity
Choose Polarity if you want a Strategy and Indie experience. On Steam, it's the newer release (2016) and ships with the modern feature baseline. 1,714 Steam reviews back the pick.
Both Portal 2 and Polarity sit in Action and Adventure on Steam and both list Multi-player and Shared/Split Screen, 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 2 |  Polarity | |
|---|---|---|
| Released | 2011 | 2016 |
| Genres | Action, Adventure | Action, Strategy, Indie, Adventure |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Deck Verified | Deck Playable |
| Price | 9.99 USD | 12.99 USD |
| Steam reviews | 98.9% positive (169,764 reviews) | 74.3% positive (1,714 reviews) |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Multi-player |
| Developers | Valve | Bluebutton Games |
Side by side
- Both share Action, Adventure on Steam.
- Portal 2 (2011) is 5 years older than Polarity (2016).
- Portal 2 scores higher on Steam reviews (98.9% positive) than Polarity (74.3% positive).
- Portal 2 is currently ~23% cheaper on Steam than Polarity (9.99 USD vs. 12.99 USD).
- Portal 2 has co-op; Polarity does not.
- Steam Deck: Portal 2 is Deck Verified, Polarity is Deck Playable.
Portal 2 vs Polarity — FAQ
- Which is better, Portal 2 or Polarity?
- On Steam reviews Portal 2 scores higher (98.9% positive) than Polarity (74.3% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Portal 2 is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Portal 2 or Polarity first?
- If you want chronology, Portal 2 (2011) came out before Polarity (2016). 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 2 and Polarity similar?
- They overlap on Action, 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.