Top Western themed Video Games (with a download link), only recent games (after the year 2000) available on PC are present in this list (until 03/2016)
NOTE: this is just a subjective not exhaustive list.

7. Call of Juarez

Call of Juarez is an epic adventure western themed FPS game. The player alternately assumes the roles of two distinct, antagonistic characters: a sneaking fugitive Billy and his hunter the reverend Ray. Apart from the highly interesting, emotional and psychological aspect of the link between the two characters, the player will experience a variety of gameplay with many differences whilst playing a particular character.

download game  Download Page

6. GUN

GUN

When life robs Colton White of all that matters, the only thing left he can trust is his GUN. From award-winning developer, Neversoft, and accomplished screenwriter, Randall Jahnson (The Mask of Zorro, The Doors), GUN follows Colton on his quest for discovery as he seeks to exact vengeful justice on those who have wronged him. GUN is a realistic epic action/adventure that lets gamers experience the brutality of the lawless West.

download game  Download Page

5. Call of Juarez: Bound in Blood

Call of Juarez Bound in Blood

THE OLD WEST, 1864. In order to save their family, the McCall brothers will kill anyone who stands between them and the legendary Gold of Juarez. But when the allure of women and money tests their bond as brothers, will the blood they share prove to be thicker?

download game  Download Page

 

4. Desperados: Wanted Dead or Alive

Desperados: Wanted Dead or Alive

“Desperados: Wanted Dead or Alive” is the first strategy game ever to combine a movie-based and story-driven atmosphere of an adventure game with the intellectual challenge of a real time tactic game.In this western-style title, discover a game of strategy and tactics played out in exceptional real time.

download game  Download Page

3. Oddworld: Stranger’s Wrath HD

Oddworld: Stranger's Wrath HD

You’re the Stranger, a mysterious bounty hunter on a mission to bag the ultimate prize. And you need that money like no one else because there is something very wrong with your health and the only way to fix it is a very costly operation.

download game  Download Page

 

2. Hard West

Hard West: Scars of Freedom DLC

Welcome to the Wild West like you’ve never seen it before. When a tragic turn of events sets one man down a path of supernatural chaos and revenge, he must brutally hunt down all those whom wronged him. Follow Warren on his descent into the darkest recesses of the human soul, and try to survive in a world full of hard choices and even harder consequences. Because in this world, death is a constant presence and the black pacts which you make with forces beyond human comprehension will forever haunt all those around you.

download game  Download Page

1. Call of Juarez: Gunslinger

Call of Juarez Gunslinger

From the dust of a gold mine to the dirt of a saloon, Call of Juarez® Gunslinger is a real homage to the Wild West tales. Live the epic and violent journey of a ruthless bounty hunter on the trail of the West’s most notorious outlaws. Blurring the lines between man and myth, this adventure made of memorable encounters unveils the untold truth behind some of the greatest legends of the Old West.

download game  Download Page