This hack replaces the 4P Map Spring Lakes with a recreation of its original version from Super Famicom Wars (which has wide shoals).
This hack is not compatible with other hacks.
This hack is contained in an .ips patch, for which LunarIPS is needed.
Advance Wars 2 - Black Hole Rising (USA)
No-Intro: Game Boy Advance (v. 20210227-023848)
File/ROM SHA-1: 14DD0B22C894865867AFF89E8116B2DFFAE25605
File/ROM CRC32: 5AD0E571