This got necro'd.
Updated skill levels:
ShootersEoSD: Unsure; probably Stage 5 game overs
PCB: Unsure; see above
IN: see above
MoF: Stage 4 game over
SA: Stage 5 Game over
UFO: Stage 4-5 ish Game over
GW: Stage 2 Game over
TD: See UFO
DDC:
See this.Puzzle-TypeStB: Stuck on 9-X
DS: Hatate unlocked
ISC: Clear!
PhantasmagoriasPoDD: Haven't played
PoFV: Unsure
FightersALL OF THEM: No skill
Other PC-98 gamesI haven't really played these, so I'm unsure.