diff --git a/src/mame/drivers/chexx.cpp b/src/mame/drivers/chexx.cpp
index 40fa111d5c5da..0bf17e506054b 100644
--- a/src/mame/drivers/chexx.cpp
+++ b/src/mame/drivers/chexx.cpp
@@ -13,7 +13,7 @@ Electro-mechanical bubble hockey games:
 
 (Some sources indicate these may have been copied from a earlier Sega game called Face-Off)
 
-Olimpic Hockey (UNDUMPED Spanish clone from Inor, probably unlicensed) runs on an almost
+Olimpic Hockey Spanish clone from Inor (probably unlicensed) runs on an almost
 exact clone of the 1st generation ICE Chexx hardware (https://www.recreativas.org/olimpic-hockey-1110-inor):
 
  Inor Olympic Hockey PCB
@@ -503,6 +503,48 @@ ROM_START( chexx83 )
 	ROM_LOAD( "chexx83.u19", 0xe000, 0x2000, NO_DUMP )
 ROM_END
 
+// Same PCB as 'chexx83'
+ROM_START( olihockey )
+	ROM_REGION( 0x0800, "maincpu", 0 )
+	ROM_LOAD( "inor_1.u4", 0x0000, 0x0800, CRC(97716ac9) SHA1(b85ff1401544dc7121babee8adf618f82a2f6a89) )
+
+	ROM_REGION( 0x4000, "digitalker", ROMREGION_ERASE00 )
+	// bank switched (from samples region)
+
+	ROM_REGION( 0x10000, "samples", ROMREGION_ERASE00 )
+	ROM_LOAD( "b8342_sjlb.u19", 0x0000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlc.u18", 0x2000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjld.u17", 0x4000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlf.u16", 0x6000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlg.u15", 0x8000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlh.u14", 0xa000, 0x2000, NO_DUMP )
+
+	// U13 and U12 unpopulated
+	ROM_FILL(                   0xc000, 0x2000, 0xff )
+	ROM_FILL(                   0xe000, 0x2000, 0xff )
+ROM_END
+
+// Same PCB as 'chexx83'
+ROM_START( olihockeya )
+	ROM_REGION( 0x0800, "maincpu", 0 )
+	ROM_LOAD( "inor_2.u4", 0x0000, 0x0800, CRC(bbbabac1) SHA1(bbb31670eb6d1b62ba984f0bac7c6e6067f6ae87) )
+
+	ROM_REGION( 0x4000, "digitalker", ROMREGION_ERASE00 )
+	// bank switched (from samples region)
+
+	ROM_REGION( 0x10000, "samples", ROMREGION_ERASE00 )
+	ROM_LOAD( "b8342_sjlb.u19", 0x0000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlc.u18", 0x2000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjld.u17", 0x4000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlf.u16", 0x6000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlg.u15", 0x8000, 0x2000, NO_DUMP )
+	ROM_LOAD( "b8342_sjlh.u14", 0xa000, 0x2000, NO_DUMP )
+
+	// U13 and U12 unpopulated
+	ROM_FILL(                   0xc000, 0x2000, 0xff )
+	ROM_FILL(                   0xe000, 0x2000, 0xff )
+ROM_END
+
 /***************************************************************************
 
 Face-Off PCB?
@@ -542,5 +584,7 @@ ROM_START( faceoffh )
 	ROM_FILL(         0xe000, 0x2000, 0xff ) // unpopulated
 ROM_END
 
-GAME( 1983, chexx83,  0,       chexx,    chexx83, chexx_state,    empty_init, ROT270, "ICE",                                                 "Chexx (EM Bubble Hockey, 1983 1.1)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
-GAME( 1983, faceoffh, chexx83, faceoffh, chexx83, faceoffh_state, empty_init, ROT270, "SoftLogic (Entertainment Enterprises, Ltd. license)", "Face-Off (EM Bubble Hockey)",        MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_IMPERFECT_SOUND )
+GAME( 1983, chexx83,    0,         chexx,    chexx83, chexx_state,    empty_init, ROT270, "ICE",                                                 "Chexx (EM Bubble Hockey, 1983 1.1)",       MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
+GAME( 1983, faceoffh,   chexx83,   faceoffh, chexx83, faceoffh_state, empty_init, ROT270, "SoftLogic (Entertainment Enterprises, Ltd. license)", "Face-Off (EM Bubble Hockey)",              MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_IMPERFECT_SOUND )
+GAME( 1985, olihockey,  0,         chexx,    chexx83, chexx_state,    empty_init, ROT270, "Inor",                                                "Olimpic Hockey (EM Bubble Hockey, set 1)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
+GAME( 1985, olihockeya, olihockey, chexx,    chexx83, chexx_state,    empty_init, ROT270, "Inor",                                                "Olimpic Hockey (EM Bubble Hockey, set 2)", MACHINE_NOT_WORKING | MACHINE_MECHANICAL | MACHINE_NO_SOUND )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index dd1dc6ee25806..5cbd4cde690ab 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -10291,6 +10291,8 @@ chessmstdm
 @source:chexx.cpp
 chexx83                         // 1983 ICE
 faceoffh                        // 1983 SoftLogic / Entertainment Enterprises
+olihockey                       // 1985 Inor
+olihockeya                      // 1985 Inor
 
 @source:chicago.cpp
 dmodrbcc                        // (c) 1976 Chicago Coin