The "V221" in "FF2D V221" is almost certainly a . The active development scene has seen versions like V18 and V2.29, so V221 would represent a significant, later release.
What appear when the system fails to compile? ff2d v221 work
The article should be based on the sources found: [7], [13], [20]. I will cite these sources. The "V221" in "FF2D V221" is almost certainly a