diff --git a/src/mame/drivers/wms.cpp b/src/mame/drivers/wms.cpp
index 3fd7d2e73e0..5a38a0969e2 100644
--- a/src/mame/drivers/wms.cpp
+++ b/src/mame/drivers/wms.cpp
@@ -305,7 +305,7 @@ ROM_START( hottop )    // Hot Toppings (English) / U5 04/22/103
 	ROM_LOAD( "hot_topping_1600h.xu18", 0x0000, 0x100000, CRC(2ad1b2e2) SHA1(47832422be66acace22fe411062010303b9ce899) )
 ROM_END
 
-ROM_START( hottopa )    // Hot Toppings (Russian?)
+ROM_START( hottopa )    // Hot Toppings (Russian?) / U5 06/26/101
 	ROM_REGION(0x100000, "maincpu", 0)
 	ROM_LOAD( "xu-3.bin", 0x0000, 0x100000, NO_DUMP ) // missing
 
@@ -320,7 +320,7 @@ ROM_START( hottopa )    // Hot Toppings (Russian?)
 ROM_END
 
 
-ROM_START( inwinner )    // Instant Winner (Russian)
+ROM_START( inwinner )    // Instant Winner (Russian) / U5 11/25/98
 	ROM_REGION(0x100000, "maincpu", 0)
 	ROM_LOAD( "xu-3.bin", 0x0000, 0x100000, CRC(f5c26579) SHA1(4ef22c0115417320ef17f0c3fc7550db24bdcb8c) )
 
@@ -334,7 +334,7 @@ ROM_START( inwinner )    // Instant Winner (Russian)
 ROM_END
 
 
-ROM_START( jptparty )    // Jackpot Party (Russian)
+ROM_START( jptparty )    // Jackpot Party (Russian) / U5 04/01/98
 	ROM_REGION(0x100000, "maincpu", 0)
 	ROM_LOAD( "xu-3.bin", 0x0000, 0x100000, CRC(750bfd36) SHA1(161c98455cb2ceb1d7d1a35941b5bb0784129b25) )
 
@@ -348,7 +348,7 @@ ROM_START( jptparty )    // Jackpot Party (Russian)
 ROM_END
 
 
-ROM_START( leprgld )    // Leprechaun's Gold (Russian)
+ROM_START( leprgld )    // Leprechaun's Gold (Russian) / U5 08/20/101
 	ROM_REGION(0x100000, "maincpu", 0)
 	ROM_LOAD( "xu-3.bin", 0x0000, 0x100000, CRC(0985d6b6) SHA1(291c124a9ae813942b14620789370b4a7b9cf85e) )
 
@@ -363,7 +363,7 @@ ROM_START( leprgld )    // Leprechaun's Gold (Russian)
 	ROM_LOAD( "xu-18.bin", 0x0000, 0x100000, CRC(a3f82467) SHA1(0971f32bff0d4bda43cd98e975e49710d73f9286) )
 ROM_END
 
-ROM_START( leprglds )    // Leprechaun's Gold (Spanish)
+ROM_START( leprglds )    // Leprechaun's Gold (Spanish) / U5 08/20/101
 	ROM_REGION(0x100000, "maincpu", 0)
 	ROM_LOAD( "leprechaun's_gold.xu03", 0x0000, 0x100000, CRC(a750e5b9) SHA1(891bbfded9ece4d81aa8415cbb5a2728c118300e) )
 
@@ -630,11 +630,11 @@ GAME( 200?, cashcrop,   0,        wms,     wms,      wms_state, wms,  ROT0, "WMS
 GAME( 200?, filthyr,    0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Filthy Rich (English)",           MACHINE_IS_SKELETON )  // U4 09/03/97
 GAME( 200?, filthyrr,   filthyr,  wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Filthy Rich (Russian)",           MACHINE_IS_SKELETON )  // U4 09/03/97
 GAME( 200?, hottop,     0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Hot Toppings (English)",          MACHINE_IS_SKELETON )  // U5 04/22/103
-GAME( 200?, hottopa,    hottop,   wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Hot Toppings (Russian?)",         MACHINE_IS_SKELETON )
-GAME( 200?, inwinner,   0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Instant Winner (Russian)",        MACHINE_IS_SKELETON )
-GAME( 200?, jptparty,   0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Jackpot Party (Russian)",         MACHINE_IS_SKELETON )
-GAME( 200?, leprgld,    0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Leprechaun's Gold (Russian)",     MACHINE_IS_SKELETON )
-GAME( 200?, leprglds,   leprgld,  wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Leprechaun's Gold (Spanish)",     MACHINE_IS_SKELETON )
+GAME( 200?, hottopa,    hottop,   wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Hot Toppings (Russian?)",         MACHINE_IS_SKELETON )  // U5 06/26/101
+GAME( 200?, inwinner,   0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Instant Winner (Russian)",        MACHINE_IS_SKELETON )  // U5 11/25/98
+GAME( 200?, jptparty,   0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Jackpot Party (Russian)",         MACHINE_IS_SKELETON )  // U5 04/01/98
+GAME( 200?, leprgld,    0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Leprechaun's Gold (Russian)",     MACHINE_IS_SKELETON )  // U5 08/20/101
+GAME( 200?, leprglds,   leprgld,  wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Leprechaun's Gold (Spanish)",     MACHINE_IS_SKELETON )  // U5 08/20/101
 GAME( 200?, lol,        0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Life of Luxury (Russian)",        MACHINE_IS_SKELETON )
 GAME( 200?, lovewin,    0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Love To Win (Russian)",           MACHINE_IS_SKELETON )
 GAME( 200?, mtburn,     0,        wms,     wms,      wms_state, wms,  ROT0, "WMS",   "Money To Burn (English)",         MACHINE_IS_SKELETON )