Extra mode is an unlockable gameplay mode in Ace Combat 2. In this mode, the player can now employ a set of 16 aircraft, both old and exclusive for this mode.

The mode is unlocked for each difficulty by completing the game on the respective level.

Playable aircraft

Aircraft Replacement of (if available)
A-4 N/A
MiG-21bis Fishbed F-4E Phantom II
X-29A KF-C7
A-6E Intruder N/A
F-16C Fighting Falcon N/A
SF-35 X-29A (normal mode)
Su-25 Frogfoot A-10A Thunderbolt II
MiG-29A Fulcrum N/A
Tornado F.3 F-14A Tomcat
F-117A Nighthawk N/A
MiG-31 Foxhound R-M01
SF-39 EF-2000
EF-2000 F/A-18D Hornet
F-15S Su-35 Super Flanker
YF-23A Black Widow II N/A
XFA-27 YF-22 Lightning II