Twenty-five years after its release, Grand Theft Auto III stands as a pivotal moment in gaming history. While playing the 2001 title in 2026 reveals its rough edges, the game’s foundational achievements in creating a living, breathing 3D open world remain undeniably impressive and largely unmatched in their immediate impact.

Arriving in 2001, GTA III was a radical departure from its predecessors. Where earlier entries offered top-down perspectives, GTA III plunged players into a fully 3D Liberty City, instantly setting a new standard for open-world action games. This shift was not merely cosmetic; it transformed the player's relationship with the game world, moving from an overhead view to being truly immersed within it, akin to stepping into a Michael Mann-esque crime film. The game masterfully wove together driving, action, story, and exploration into a cohesive and dynamic experience, a feat made more remarkable by the absence of a pre-existing blueprint for such an ambitious undertaking.

Liberty City itself serves as GTA III's most compelling character. Divided into three distinct boroughs—the industrial and seedy Portland, the commercial and skyscraper-laden Staunton Island, and the suburban Shoreside Vale—the city offered a dynamic environment that felt alive. The passage of time, with day turning into night and weather patterns shifting, contributed to a sense of realism that was groundbreaking for the era. While its scale is dwarfed by modern open-world standards, the city's design and the emergent life within it—traffic, pedestrians, and a spinning globe—were revolutionary in 2001.

The core gameplay loop retained elements from its predecessor, such as the satirical radio commercials and an optional top-down camera, but GTA III largely discarded the retro-futuristic aesthetic and indeterminate setting of GTA 2. It opted instead for a contemporary, recognizable setting inspired by New York City, a move that paid off handsomely. The driving mechanics, while perhaps a bit floatier than in later installments, remain adequate and easy to adapt to, offering a freedom that was unparalleled at the time. Players could grab any car and drive in any direction, a level of agency that was central to the game's revolutionary appeal.

However, not all aspects of GTA III have aged gracefully. The third-person shooting mechanics are particularly cumbersome, largely due to an auto-lock targeting system that often struggles to prioritize armed assailants over innocent bystanders or even allies. Only a select few weapons offer free aim, making firefights unnecessarily frustrating. Compounding this is the complete lack of mission checkpoints. The necessity of manually returning to mission start points after failure, an already tedious chore in 2001, feels particularly punitive today, demanding a more cautious playstyle that sometimes clashes with the game's inherent chaotic freedom.

Despite these frustrations, GTA III's monumental success cannot be overstated. It sold over 14.5 million copies, becoming the fifth best-selling game on the PlayStation 2. Its cultural impact, however, far exceeds its sales figures. The game established the modern open-world formula: a large, explorable environment with distributed missions, side activities, a diverse vehicle roster, numerous NPCs, believable radio stations, and the freedom for players to interact with and influence the world. Titles like True Crime, Saints Row, Watch Dogs, and Sleeping Dogs owe a significant debt to the template GTA III created.

While other games in development around the same time, such as Driver 2, Mafia, and The Getaway, were also exploring 3D open-world concepts, none matched GTA III's combination of unhinged energy and its innovative blend of driving, action, story, and exploration. The game's success was rooted in its ability to uncover and solidify an irresistible formula, cementing its status as the benchmark for the genre for 25 years.

In conclusion, Grand Theft Auto III, in its original form, presents a challenging experience for modern players. Its unforgiving mission structure and dated shooting mechanics are significant drawbacks. Yet, its place in history is secure. While Vice City offered more style and San Andreas greater scope, neither can claim to be the originator. GTA III didn't just change the trajectory of the Grand Theft Auto series; it fundamentally altered the business of video games, demonstrating what an open-world game could be and setting a trend that continues to influence the industry today.