Choose Portal 2
Choose Portal 2 if you want the Multi-player, Shared/Split Screen, and Online Co-op side of the pairing. On Steam, it carries the stronger Steam consensus at 98.9% positive across 169,764 reviews.
Portal 2 vs ChromaGun
Portal 2 and ChromaGun 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 ChromaGun (2016). Portal 2 scores higher on Steam reviews (98.9% positive) than ChromaGun (75.4% 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 ChromaGun
Choose ChromaGun if you want an Indie experience. On Steam, it's the newer release (2016) and ships with the modern feature baseline. ChromaGun launched in 2016.
Both Portal 2 and ChromaGun sit in Action and Adventure 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
 Portal 2 |  ChromaGun | |
|---|---|---|
| Released | 2011 | 2016 |
| Genres | Action, Adventure | Action, Indie, Adventure |
| Platforms | Windows, Linux | Windows, macOS, Linux |
| Steam Deck | Deck Verified | Deck Verified |
| Price | 9.99 USD | 12.99 USD |
| Steam reviews | 98.9% positive (169,764 reviews) | 75.4% positive (191 reviews) |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Single-player only |
| Developers | Valve | Pixel Maniacs |
Side by side
- Both share Action, Adventure on Steam.
- Portal 2 (2011) is 5 years older than ChromaGun (2016).
- Portal 2 scores higher on Steam reviews (98.9% positive) than ChromaGun (75.4% positive).
- Portal 2 is currently ~23% cheaper on Steam than ChromaGun (9.99 USD vs. 12.99 USD).
- Portal 2 has co-op; ChromaGun does not.
- Both are Deck Verified.
Portal 2 vs ChromaGun — FAQ
- Which is better, Portal 2 or ChromaGun?
- On Steam reviews Portal 2 scores higher (98.9% positive) than ChromaGun (75.4% 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 ChromaGun first?
- If you want chronology, Portal 2 (2011) came out before ChromaGun (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 ChromaGun 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.
- Does ChromaGun have multiplayer like Portal 2?
- No. Portal 2 supports multiplayer on Steam (Multi-player, Online Co-op, Shared/Split Screen Co-op), while ChromaGun is listed as single-player only.
- Do Portal 2 and ChromaGun both run on Steam Deck?
- Yes — both are Steam Deck Verified, meaning Valve confirms they run with full controller support, legible text, and default settings out of the box.