| Title | GUN |
| Release Year | 2005 |
| Developer | Neversoft |
| Publisher | Activision |
| Engine | Neversoft proprietary engine |
| Genre | Third-person action-adventure / Western shooter |
| Setting | American Old West frontier during the late 1800s (around the 1880s) |
| Platforms | PlayStation 2, Xbox, Xbox 360, Microsoft Windows, GameCube, PlayStation Portable |
| Perspective | Third-person shooter |
| Main Character | Colton White — a skilled gunslinger searching for the truth about his father and his own past |
| Playable Character(s) | Primarily Colton White; some multiplayer modes feature other characters |
| Story Focus | Revenge, betrayal, family secrets, greed, and the search for a legendary treasure |
| Main Antagonist | Thomas Magruder — a powerful railroad tycoon obsessed with finding a lost treasure |
| Other Major Villains | Reverend Reed, Hoodoo Brown, Hoodoo’s gang, and various outlaw groups |
| Main Companion Characters | Ned White, Jenny, Honest Tom, Soapy Jennings, Clay Allison, Marshal Hood |
| World | Open-world Western frontier featuring towns, deserts, mountains, mines, forts, and wilderness |
| Major Locations | Dodge City, Empire City, Caldera River, Fort Spencer, Magruder’s Mine, Badlands |
| Story Length | Approximately 8–12 hours for the main story |
| Gameplay Style | Gunfights, horseback travel, exploration, duels, stealth sections, and mission-based combat |
| Combat System | Third-person shooting with pistols, rifles, shotguns, explosives, and melee attacks |
| Signature Mechanic | Quickdraw mode — slows time and allows precise targeting during gunfights |
| Weapons | Revolvers, rifles, shotguns, sniper rifles, dynamite, knives, and mounted weapons |
| Horse Gameplay | Players can ride horses, engage enemies while mounted, and travel across the open world |
| Side Activities | Bounty hunting, poker, ranch tasks, gambling, horse races, duels, and wanted missions |
| Mission Structure | Story missions combined with optional side missions and open-world activities |
| Main Story Missions | 18 missions |
| Collectibles | Wanted posters, gold, weapons upgrades, and hidden items |
| Multiplayer | Split-screen and online multiplayer modes (platform dependent) |
| Reception | Generally praised for its Western atmosphere, story, voice acting, and gunplay |
| Criticism | Short campaign, repetitive side activities, and technical limitations on some versions |
| Voice Cast Highlights | Thomas Jane (Colton White), Kris Kristofferson (Ned White) |
| Music Style | Western-inspired soundtrack blending cinematic orchestration and frontier themes |
| Historical Inspiration | Inspired by real Old West figures, locations, and events, though the story is fictional |
| Rating | ESRB: Mature (M) — violence, blood, language, and adult themes |
| Awards / Recognition | Notable for being one of the few major open-world Western games before the popularity of later titles like Red Dead Redemption |
| Related Media | No direct sequel; spiritual successor themes later appeared in other Western games |
| Legacy | Remembered as a cult classic Western shooter and an important precursor to modern open-world Western games |