diff --git a/src/mame/arcade.lst b/src/mame/arcade.lst
index 8304f042afa..50ef60953eb 100644
--- a/src/mame/arcade.lst
+++ b/src/mame/arcade.lst
@@ -12007,6 +12007,7 @@ tvflaptw        // (c) 1989 Namco (Tourvision bootleg)
 tvdensho        // (c) 1989 Big Club / Wolf Team (Tourvision bootleg)
 tvshnobi        // (c) 1989 Sega / Asmik Corporation (Tourvision bootleg)
 tvsdarms        // (c) 1989 Capcom / Nec Avenue (Tourvision bootleg)
+tvsson2         // (c) 1989 Capcom / Nec Avenue (Tourvision bootleg)
 tvgunhed        // (c) 1989 Hudson / Toho Sunrise (Tourvision bootleg)
 tvmrheli        // (c) 1989 IREM Corp (Tourvision bootleg)
 tvusapb         // (c) 1989 Aicom (Tourvision bootleg)
diff --git a/src/mame/drivers/tourvis.cpp b/src/mame/drivers/tourvis.cpp
index 566c1498977..c456e596898 100644
--- a/src/mame/drivers/tourvis.cpp
+++ b/src/mame/drivers/tourvis.cpp
@@ -1032,6 +1032,7 @@ GAME( 19??, tourvis,  0,       tourvision, tourvision, pce_common_state, pce_com
 GAME( 1988, tvdrgnst, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Namcot",                             "Dragon Spirit (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1988, tvlegaxe, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Victor Musical Industries, Inc.",    "Makyo Densetsu - The Legenary Axe (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 
+GAME( 1989, tvdunexp, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Atlus Ltd. / Hudson Soft",           "Dungeon Explorer (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvflaptw, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Namco Ltd. / Namcot",                "Final Lap Twin (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvgunhed, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Hudson / Toho Sunrise",              "Gunhed (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvdensho, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Big Club / Wolf Team",               "Jinmu Densho (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
@@ -1039,10 +1040,10 @@ GAME( 1989, tvmrheli, tourvis, tourvision, tourvision, pce_common_state, pce_com
 GAME( 1989, tvpaclnd, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Namco / Namcot",                     "Pac-Land (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvshnobi, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Sega / Asmik Corporation",           "Shinobi (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvsdarms, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Capcom / Nec Avenue",                "Side Arms (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
+GAME( 1989, tvsson2,  tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Capcom / Nec Avenue",                "Son Son II (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvusapb,  tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Aicom Corporation",                  "USA Pro Basketball (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvvolfd,  tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Taito Corporation",                  "Volfied (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1989, tvwnshot, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Data East Corp.",                    "Winning Shot (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
-GAME( 1989, tvdunexp, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Atlus Ltd. / Hudson Soft",           "Dungeon Explorer (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 
 GAME( 1990, tvablast, tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Inter State / Kaneko / Hudson Soft", "Aero Blasters (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
 GAME( 1990, tvaburn,  tourvis, tourvision, tourvision, pce_common_state, pce_common, ROT0, "bootleg (Tourvision) / Sega / Nec Avenue",                  "After Burner (Tourvision PCE bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )