Year Name Developer Machines
1986 J. B. Harold: Murder Club '
Adventure / Graphics, | 1P, 		Riverhill Software x1 hb701fd nes pc8801mk2mr pce x68000 fmtowns pc9821
1987 J.B. Harold 2: Manhattan Requiem - Angels Flying in the Dark '
Adventure / Graphics, | 1P, 		Riverhill Software x1 hb701fd pc8801mk2mr x68000 pc9821
1988 J.B. Harold 2: Kiss of Murder - Satsui no Seppun '
Adventure / Graphics, | 1P, 		Riverhill Software hb701fd x68000
1989 J.B. Harold 3: D.C. Connection '
Adventure / Graphics, | 1P, 		Riverhill Software hb701fd pc8801mk2mr pc9821
1995 J.B. Harold 4: Blue Chicago Blues '
Adventure / Graphics, | 1P, 		Riverhill Software saturn