Choose Portal 2
Choose Portal 2 if you want an Action and Adventure game with Surround Sound and Save Anytime. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 169,764 Steam reviews back the pick.
Portal 2 vs OMG: Oh My Gravity
Portal 2 and OMG: Oh My Gravity sit side-by-side in player discussions even though their catalogue tags only partly overlap. 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: Portal 2 (2011) is 15 years older than OMG: Oh My Gravity (2026). Both support cooperative play. Portal 2 is Deck Verified on Steam Deck; OMG: Oh My Gravity has no Deck rating yet. 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 OMG: Oh My Gravity
Choose OMG: Oh My Gravity if you want an Indie, Simulation, and Casual game with LAN Co-op, DualShock Controller Support, and DualSense Controller Support. On Steam, it's the newer release (2026) and ships with the modern feature baseline. OMG: Oh My Gravity launched in 2026.
Both Portal 2 and OMG: Oh My Gravity ship Multi-player, Shared/Split Screen, and Online Co-op on Steam, so either pick lands close enough that the choice is taste, not category. 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 |  OMG: Oh My Gravity | |
|---|---|---|
| Released | 2011 | 2026 |
| Genres | Action, Adventure | Indie, Simulation, Casual |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 98.9% positive (169,764 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Multi-player, Online Co-op, Shared/Split Screen Co-op |
| Developers | Valve | WINDUP |
Side by side
- Portal 2 (2011) is 15 years older than OMG: Oh My Gravity (2026).
- Both support cooperative play.
- Portal 2 is Deck Verified on Steam Deck; OMG: Oh My Gravity has no Deck rating yet.
Portal 2 vs OMG: Oh My Gravity — FAQ
- Should I play Portal 2 or OMG: Oh My Gravity first?
- If you want chronology, Portal 2 (2011) came out before OMG: Oh My Gravity (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.
- Do both Portal 2 and OMG: Oh My Gravity have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Portal 2 ships Online Co-op, Shared/Split Screen Co-op; OMG: Oh My Gravity ships Online Co-op, Shared/Split Screen Co-op.
- Does Portal 2 run on Steam Deck?
- Yes — Portal 2 is rated Deck Verified by Valve. OMG: Oh My Gravity doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.