diff --git a/src/mame/drivers/tnzs.cpp b/src/mame/drivers/tnzs.cpp
index 0a3d72a8e05..3dd335855ad 100644
--- a/src/mame/drivers/tnzs.cpp
+++ b/src/mame/drivers/tnzs.cpp
@@ -1999,6 +1999,29 @@ ROM_START( extrmatnu )
 	ROM_LOAD( "b06-08.17f", 0x00200, 0x200, CRC(10c9aac3) SHA1(09d6f791dea358e78099af7a370b00b8504ffc97) )  /* lo bytes, AM27S29 or compatible like MB7124 */
 ROM_END
 
+
+ROM_START( extrmatnur )
+	ROM_REGION( 0x20000, "maincpu", 0 )             /* Region 0 - main cpu */
+	ROM_LOAD( "b06_15",  0x00000, 0x10000, CRC(4b3ee597) SHA1(024964faebd0fa894ab4868a8e009267e828cbfb) )
+	ROM_LOAD( "b06_16",  0x10000, 0x10000, CRC(86175ea4) SHA1(0f30cbb1a6a32355528543707799f752a1b9b75e) )
+
+	ROM_REGION( 0x10000, "sub", 0 )             /* Region 2 - sound cpu */
+	ROM_LOAD( "b06_17", 0x00000, 0x10000, CRC(744f2c84) SHA1(7565c1594c2a3bae1ae45afcbf93363fe2b12d58) )
+
+	ROM_REGION( 0x10000, "audiocpu", 0 )    /* M-Chip (i8742 internal ROM) */
+	ROM_LOAD( "extr8742.4f", 0x0000, 0x0800, NO_DUMP ) /* Labeled B06-14 */
+
+	ROM_REGION( 0x80000, "gfx1", 0 )
+	ROM_LOAD( "b06-01.13a", 0x00000, 0x20000, CRC(d2afbf7e) SHA1(28b4cf94798f049a9f8375464741dbef208d7290) )
+	ROM_LOAD( "b06-02.10a", 0x20000, 0x20000, CRC(e0c2757a) SHA1(3c89044caa28b10b4d1bef1515881810c23d312a) )
+	ROM_LOAD( "b06-03.7a",  0x40000, 0x20000, CRC(ee80ab9d) SHA1(f4e4833cadff7d856b5a8075a61d902427653e16) )
+	ROM_LOAD( "b06-04.4a",  0x60000, 0x20000, CRC(3697ace4) SHA1(6d6e4e64147365bcfcf74a84eb7ae84dffedd304) )
+
+	ROM_REGION( 0x0400, "proms", 0 )
+	ROM_LOAD( "b06-09.15f", 0x00000, 0x200, CRC(f388b361) SHA1(f00db6ad6994cfe9b7ad76e30b7049b11f8c16e4) )  /* hi bytes, AM27S29 or compatible like MB7124 */
+	ROM_LOAD( "b06-08.17f", 0x00200, 0x200, CRC(10c9aac3) SHA1(09d6f791dea358e78099af7a370b00b8504ffc97) )  /* lo bytes, AM27S29 or compatible like MB7124 */
+ROM_END
+
 ROM_START( extrmatnj )
 	ROM_REGION( 0x20000, "maincpu", 0 )             /* Region 0 - main cpu */
 	ROM_LOAD( "b06-05.11c", 0x00000, 0x10000, CRC(918e1fe3) SHA1(1aa69e7ae393f275d440b3d5bf817475e443045d) )
@@ -2690,9 +2713,10 @@ ROM_END
 GAME( 1987, plumppop,  0,        drtoppel, plumppop, tnzs_state,    plumpop,  ROT0,   "Taito Corporation", "Plump Pop (Japan)", MACHINE_SUPPORTS_SAVE )
 GAME( 1992, jpopnics,  0,        jpopnics, jpopnics, driver_device, 0,        ROT0,   "Nics",              "Jumping Pop (Nics, Korean hack of Plump Pop)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
 
-GAME( 1987, extrmatn,  0,        arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito Corporation Japan",     "Extermination (World)", MACHINE_SUPPORTS_SAVE )
-GAME( 1987, extrmatnu, extrmatn, arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito (World Games license)", "Extermination (US)", MACHINE_SUPPORTS_SAVE )
-GAME( 1987, extrmatnj, extrmatn, arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito Corporation",           "Extermination (Japan)", MACHINE_SUPPORTS_SAVE )
+GAME( 1987, extrmatn,  0,        arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito Corporation Japan",                         "Extermination (World)", MACHINE_SUPPORTS_SAVE )
+GAME( 1987, extrmatnu, extrmatn, arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito (World Games license)",                     "Extermination (US, World Games)", MACHINE_SUPPORTS_SAVE )
+GAME( 1987, extrmatnur,extrmatn, arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito America Corporation (Romstar license)",     "Extermination (US, Romstar)", MACHINE_SUPPORTS_SAVE )
+GAME( 1987, extrmatnj, extrmatn, arknoid2, extrmatn, tnzs_state,    extrmatn, ROT270, "Taito Corporation",                               "Extermination (Japan)", MACHINE_SUPPORTS_SAVE )
 
 GAME( 1987, arknoid2,  0,        arknoid2, arknoid2, tnzs_state,    arknoid2, ROT270, "Taito Corporation Japan",                     "Arkanoid - Revenge of DOH (World)", MACHINE_SUPPORTS_SAVE )
 GAME( 1987, arknoid2u, arknoid2, arknoid2, arknid2u, tnzs_state,    arknoid2, ROT270, "Taito America Corporation (Romstar license)", "Arkanoid - Revenge of DOH (US)", MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 0a97b1e4a30..02b999d3d50 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -35242,7 +35242,8 @@ drtoppelj                       // B19 (c) 1987 Taito Corporation (Japan)
 drtoppelu                       // B19 (c) 1987 Taito Corporation (US)
 extrmatn                        // B06 (c) 1987 Taito Corporation Japan (World)
 extrmatnj                       // B06 (c) 1987 Taito Corporation (Japan)
-extrmatnu                       // B06 (c) 1987 World Games
+extrmatnu                       // B06 (c) 1987 World Games (US)
+extrmatnur						// B06 (c) 1987 Taito America Corporation + Romstar license (US)
 insectx                         // B97 (c) 1989 Taito Corporation Japan (World)
 insectxj                        // B97 (c) 1989 Taito Corporation (Japan)
 jpopnics                        // (c)1992 NICs, based on Plump Pop code