The game features three distinct world maps: the overworld, the underworld, and the moon. Version-Specific Feature Additions
The original (1991) is renowned for introducing several revolutionary features that became series staples, most notably the Active Time Battle (ATB) system. This mechanic moved away from traditional turn-based combat by introducing a real-time element where characters act once their specific gauge fills. FINAL FANTASY 4
One of the few entries that allows up to five characters in the active battle party simultaneously. The game features three distinct world maps: the