Thief: The Dark Project is a first-person stealth game developed by Looking Glass Studios and published by Eidos Interactive, originally released for Windows in 1998. Players assume the role of Garrett, a cynical master thief navigating a dark, medieval-steampunk metropolis known simply as the City. Eschewing the run-and-gun conventions of contemporary first-person shooters, Thief emphasizes stealth, evasion, and careful observation. The game introduced groundbreaking mechanics such as a light gem that indicates the player's visibility to enemies, a detailed sound propagation system that allows eavesdropping and distraction, and a wide array of specialized arrows (water, moss, rope, noisemaker) for non-lethal play. Missions involve infiltrating heavily guarded locations to steal valuable artifacts, with objectives that often shift mid-mission. The narrative weaves a tale of political and supernatural intrigue, involving the fanatical Hammerite order, the pagan god known as the Trickster, and the enigmatic Viktoria. Powered by the Dark Engine (shared with System Shock 2), the game features dynamic lighting, steeped in shadow and torchlight. The 'Gold' edition, released in 1999, added three substantial missions and several tweaks. Widely praised for its innovation, atmosphere, and design, Thief established the template for the modern stealth genre and is frequently cited as one of the greatest video games ever made. Its influence echoes in series like Splinter Cell, Metal Gear Solid, and Dishonored.

The Vault · 1998
Thief: The Dark Project
The stealth game that changed everything.
thiefWindows 95/98ActionStealth
First-PersonDynamic LightingSound DesignGold Edition
In the News3 mentions
Jun 72026
Nightdive Studios Announces Thief: The Dark Project Remastered for Winter 2026
Nightdive's KEX Engine remaster of Looking Glass Studios' 1998 stealth classic. Includes the full Thief Gold mission set. Launches Winter 2026 on PC and consoles, including GOG.
ReleaseOct 291999
Thief Gold in Stores
Thief Gold is now shipping, adding one more game to an October release calendar that already looks like somebody kicked over a filing cabinet.
ReleaseOct 261999
Thief Gold Third Mission Briefing AVI Released
Thief Gold Third Mission Briefing is today's update from the October 1999 desk, and there is enough here to make retro PC players pay attention.
ReleaseHow to Play TodayYour options for running this game in 2026
Original Hardware
Original big-box CD copies are easy to find on eBay for $20-$40. Runs on Windows 95/98.
Modern Re-release
Available digitally on GOG and Steam for $9.99, fully patched and modern system compatible.
Emulation / Other Options
No emulation required; the GOG/Steam releases run natively on Windows 10/11. For original CDs, use a wrapper like dgVoodoo.
Game Record
| Platform | Windows 95/98 |
| Released | November 30, 1998 |
| Developer | Looking Glass Studios |
| Publisher | Eidos Interactive |
| Genre | Action, Stealth |
| Players | 1 Player |
| Series | thief |
thief Series
Original PC Specs
| OS | Windows 95/98 |
| CPU | Pentium 166 MHz |
| RAM | 32 MB |
| GPU / Display | DirectX 6 compatible, 2 MB VRAM |
| Storage | 400 MB |
| Drive | 4x CD-ROM |
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