The title opened at number one with 64,632 units sold in its debut week, according to the published chart.
Final Fantasy Resonance recorded a strong multi-platform launch across Switch 2, PS5 and the original Switch hardware.
Combined first-week sales for Final Fantasy Resonance reached 133,191 units: 52,268 on Switch 2, 50,452 on PS5, and 30,471 on Switch.
That performance placed the three versions in second, third and fourth positions on the chart respectively.
In rewritten, journalistic terms: Famitsu's figures show the Switch 2 release of Final Fantasy Resonance and its PS5 and Switch counterparts combined to produce an impressive opening week, totaling more than 133,000 sales across platforms.
Other notable chart movements included Call of Duty: Modern Warfare 4 entering the top ten at number five on PS5 with 12,816 units.
Famitsu's data again highlights that the Switch 2 version of Modern Warfare 4 does not appear in the top ten for this period.
Bandai Namco's One Piece: Grand Gourmet debuted at seventh on Switch 2 with 5,631 units.
The remainder of the top ten was rounded out by Rhythm Heaven Groove at number six on Switch with 9,671 units (bringing its lifetime sales to 1,103,098), Tomodachi Life: Living the Dream at number eight on Switch with 4,682 units (lifetime 1,637,979), Fire Emblem: Fortune's Weave at number nine on Switch 2 with 4,393 units (lifetime 182,148), and Mario Kart World at number ten on Switch 2 with 3,682 units (lifetime 3,054,094).
Hardware sales this week kept Switch 2 firmly in front.
Famitsu lists the Switch 2 with 21,792 units sold in the week for a lifetime total of 6,452,619 units.
The PlayStation 5 Digital Edition reported 15,640 weekly units (lifetime 1,496,165).
Other Switch SKUs also charted: the OLED model (2,246 weekly, lifetime 9,649,734), Switch Lite (2,079 weekly, lifetime 7,045,651) and the original Switch SKU (591 weekly, lifetime 20,314,740).
These Famitsu figures provide a clear snapshot of Japan's market during the week of October 19–25, highlighting strong new release activity on both the Switch 2 and PS5 platforms and several high-profile debuts on Nintendo platforms and third-party releases.