First - Prime Hunters : First Hunt
Recent - Dread
Most - Super Metroid
Least - Fusion

First - X
Recent - X8
Most - X
Least - X5 (7 is ignored)

First - 1
Recent - Rockman EXE WS
Most - 3
Least - 4.5: Real Operation

First - 1
Recent - Rockman & Forte: Mirai kara no Chousensha
Most - 4
Least - II

First - 0
Recent - 7
Most - 5
Least - 7

First - Phoenix Wright: Ace Attorney
Recent - The Great Ace Attorney 2
Most - Ace Attorney Investigations 2
Least - Trials and Tribulations

First - 7
Recent - 8
Most - 4
Least - Revelation

First - ALttP
Recent - ALBW
Most - Cadence of Hyrule
Least - Spirit Tracks

First - OoT
Recent - TotK
Most - TotK
Least - SS

First - 64
Recent - Bowser's Fury
Most - Sunshine
Least - 3D Land

First - Super Mario Bros.
Recent - Yoshi's Island
Most - Super Mario World
Least - New Super Mario Bros. Wii

First - IV
Recent - V
Most - 3
Least - II

catch-all for any SMT spinoff

First - P5R
Recent - P5S
Most - Digital Devil Saga
Least - P3 FES

First - Blue
Recent - Sword
Most - HG/Crystal
Least - Sun

First - DS1
Recent - ER
Most - ER
Least - DS1

First - 2016
Recent - Plutonia
Most - Plutonia
Least - 2016

First - 1
Recent - 7 Rebirth
Most - 7 Rebirth
Least - 13

First - 1
Recent - Adventure Rebirth
Most - SotN
Least - Adventure