Choose Planet of the Eyes
Choose Planet of the Eyes if it's Steam Deck Verified, so handheld play works out of the box. Planet of the Eyes launched in 2015.
Planet of the Eyes vs Secret Agent HD
Planet of the Eyes and Secret Agent HD both land in Action, Indie, 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, Indie, Adventure on Steam. Planet of the Eyes (2015) is 6 years older than Secret Agent HD (2021). Secret Agent HD scores higher on Steam reviews (98.5% positive) than Planet of the Eyes (90.5% 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 Secret Agent HD
Choose Secret Agent HD if it's currently about 20% cheaper on the Steam Store. Secret Agent HD launched in 2021.
Both Planet of the Eyes and Secret Agent HD sit in Action, Indie, and Adventure on Steam and both list Steam Leaderboards, 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
 Planet of the Eyes |  Secret Agent HD | |
|---|---|---|
| Released | 2015 | 2021 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows, macOS | Windows, Linux |
| Steam Deck | Deck Verified | Deck Playable |
| Price | 9.99 USD | 7.99 USD |
| Steam reviews | 90.5% positive (95 reviews) | 98.5% positive (133 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Cococucumber | Emberheart Games |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Planet of the Eyes (2015) is 6 years older than Secret Agent HD (2021).
- Secret Agent HD scores higher on Steam reviews (98.5% positive) than Planet of the Eyes (90.5% positive).
- Secret Agent HD is currently ~20% cheaper on Steam than Planet of the Eyes (7.99 USD vs. 9.99 USD).
- Steam Deck: Planet of the Eyes is Deck Verified, Secret Agent HD is Deck Playable.
Planet of the Eyes vs Secret Agent HD — FAQ
- Should I play Planet of the Eyes or Secret Agent HD first?
- If you want chronology, Planet of the Eyes (2015) came out before Secret Agent HD (2021). 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 Planet of the Eyes and Secret Agent HD similar?
- They overlap on Action, Indie, 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.