Is Uncharted: Golden Abyss on Steam?

No. Uncharted: Golden Abyss is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.

What platforms is Uncharted: Golden Abyss on?

Uncharted: Golden Abyss is available on PlayStation Vita.

When did Uncharted: Golden Abyss release?

Uncharted: Golden Abyss released on December 17, 2011.

Uncharted: Golden Abyss

Dec 17, 2011ShooterPlatformAdventurePlayStation Vita

Uncharted: Golden Abyss — frequently asked questions

Is Uncharted: Golden Abyss on Steam?: No. Uncharted: Golden Abyss is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.
What platforms is Uncharted: Golden Abyss on?: Uncharted: Golden Abyss is available on PlayStation Vita.
When did Uncharted: Golden Abyss release?: Uncharted: Golden Abyss released on December 17, 2011.

About Uncharted: Golden Abyss

Uncover the dark secret behind the 400-year-old massacre of a Spanish expedition as Nathan Drake tracks the murderous trail of an ancient and secret Spanish sect. Caught in the middle of a rivalry between Jason Dante - his old friend - and Marisa Chase - the granddaughter of an archeologist who has mysteriously vanished without a trace - Nathan Drake delves into the treacherous river basins, undiscovered temple ruins and karst caverns of Central America in search of a legendary lost city, only to find himself pushed to the edge of the Golden Abyss

Summary via IGDB.

Uncharted: Golden Abyss on Wikipedia

Uncharted: Golden Abyss is a 2011 action-adventure game developed by Bend Studio and published by Sony Computer Entertainment for the PlayStation Vita. A spin-off of Naughty Dog's Uncharted series, the game was released as a launch title for the console. Golden Abyss is a prequel to the series, taking place before the events of Uncharted: Drake's Fortune. The story revolves around adventurer-treasure hunter Nathan Drake as he becomes involved in a search for the lost city of Quivira and is aided by fellow treasure hunter Marisa Chase. Gameplay combines action-adventure with platforming elements, with players solving puzzles and fighting enemies using cover-based third-person shooting.

Source: Wikipedia (text under CC BY-SA 4.0).