1. Engaging Storytelling: The game features a complex and emotionally engaging narrative, with memorable characters and plot twists that captivate players.

2. Character Development: "Final Fantasy VI" is known for its ensemble cast, each with unique abilities and backgrounds. The game allows you to explore and develop these characters in various ways.

3. Innovative Gameplay: The Active Time Battle (ATB) system introduced in this game has become a hallmark of the "Final Fantasy" series. It adds an element of real-time strategy to turn-based combat.

4. Music: The game's soundtrack, composed by Nobuo Uematsu, is celebrated for its memorable melodies and is often regarded as one of the best in video game history.

5. Villainous Antagonist: The character Kefka Palazzo, known for his chaotic and sinister nature, is considered one of the most iconic and memorable video game villains.

6. Open World: "Final Fantasy VI" provides players with an open world to explore, including a variety of towns, dungeons, and hidden secrets.

7. Steampunk Aesthetic: The game's unique steampunk setting, which blends medieval and technological elements, adds to its distinctive charm.

8. Multiple Endings: Depending on the choices you make throughout the game, you can experience one of several different endings, encouraging replayability.

9. Cultural Impact: "Final Fantasy VI" has had a profound influence on the RPG genre and is often referenced as an inspiration for later RPGs.

While "Final Fantasy VI" is considered a classic and highly acclaimed, the "best" RPG game can be subjective and may vary from person to person. It's important to explore various RPG titles to find the one that resonates most with your preferences and gaming style. If you enjoy classic RPGs, "Final Fantasy VI" is definitely worth playing to experience its rich storytelling and gameplay.