CHRONO TRIGGER (Upgrade Ver.) boasts several key features that enhance the classic RPG experience. The Active Time Battle Version 2 allows for dynamic combat where time does not stop, requiring strategic command entry based on character gauge readiness and enemy movement. Players can execute special 'Tech' moves and combine abilities between two or three characters to create powerful combos, adding depth to battles.

In addition to core gameplay enhancements, this upgraded version includes exclusive content like the 'Dimensional Vortex' and 'Lost Sanctum' dungeons which challenge players with unique puzzles and reveal long-lost secrets. Visually, it has been updated with higher resolution graphics while maintaining its original charm; under composer Yasunori Mitsuda’s supervision, all music tracks have also been remastered for an immersive soundscape. Autosave functionality ensures convenience by saving progress automatically during map traversal.

CHRONO TRIGGER offers an intricate narrative that spans multiple eras, from the prehistoric age to a future world, creating a deep and engaging lore. The storyline cleverly weaves time travel into its plot, allowing players to explore rich environments and meet characters who provide pieces of a grand puzzle.

The game's narrative is elevated by its character development and the interwoven destinies of its protagonists. Crono, Marle, and their companions each carry personal stories that contribute to the overarching epic, ensuring players remain invested in their journey.

Players will appreciate how the game handles themes of fate, friendship, and sacrifice, which are seamlessly integrated into the quest to save the planet. This adds layers of emotional depth and makes the unfolding story resonate on a personal level.

In CHRONO TRIGGER, character progression is achieved through experience points and leveling up, with each character having unique growth aspects. As players venture through time, they can tailor their party's abilities, optimizing them for different challenges encountered across eras.

The 'Tech' system allows for extensive customization options where characters can combine skills to create powerful combo attacks. With over 50 possible combinations, this feature ensures battles remain dynamic and personalized strategies can be developed.

Additionally, the discovery of new abilities and magic through Tech moves provides a sense of achievement and investment in character development. This element of customization not only enhances gameplay but also encourages strategic thinking and adaptability during combat scenarios.