diff --git a/src/mame/drivers/alien.cpp b/src/mame/drivers/alien.cpp
index 62ca9b7427e..76acafcef02 100644
--- a/src/mame/drivers/alien.cpp
+++ b/src/mame/drivers/alien.cpp
@@ -111,7 +111,7 @@ ROM_START( alien )
 	ROM_LOAD32_WORD( "aln_s04.4.ic30", 0x000000, 0x400000, CRC(11777d3f) SHA1(8cc9fcae7911e6be273b4532d89b44a309687ead) )
 	ROM_LOAD32_WORD( "aln_s05.5.ic33", 0x000002, 0x400000, CRC(71d2f22c) SHA1(16b25aa34f8b0d988565e7ab7cecc4df62ee8cf3) )
 
-	ROM_REGION( 0x800100, "unk", 0 ) //sound samples flash rom
+	ROM_REGION( 0x800100, "ymz770b", 0 ) //sound samples flash rom
 	ROM_LOAD( "s29jl064hxxtfi00.u35", 0x000000, 0x800100, CRC(01890c61) SHA1(4fad321f42eab835351c6d5f73539bdbed80affe) )
 
 	ROM_REGION( 0x8000, "nvram", ROMREGION_ERASEFF) //timekeeper device
@@ -121,5 +121,19 @@ ROM_START( alien )
 	DISK_IMAGE( "alien", 0, SHA1(0328f12765db41a9ef5c8bfb88d4983345093072) )
 ROM_END
 
+// ROM board only dumped, main board is missing, presumable similar to Alien: The Arcade medal hardware
+ROM_START( pingu )
+	ROM_REGION( 0x800000, "maincpu", 0 ) // BIOS code
+	ROM_LOAD32_WORD( "ic30", 0x000000, 0x400000, NO_DUMP )
+	ROM_LOAD32_WORD( "ic33", 0x000002, 0x400000, NO_DUMP )
+
+	ROM_REGION( 0x800100, "ymz770b", 0 ) //sound samples flash rom
+	ROM_LOAD( "ic10", 0x000000, 0x800100, CRC(04cf9722) SHA1(854e056a03d6f7ac9b438ba9ce8a0499a79bdec8) )
+
+	DISK_REGION( "card" ) //compact flash
+	DISK_IMAGE( "pingu", 0, SHA1(9163fb1d4dd96ef4417cad458f2270bf7bd58f01) )
+ROM_END
+
 
 GAME( 2005, alien,  0,      alien, alien, alien_state, 0, ROT0, "Capcom", "Alien: The Arcade Medal Edition", MACHINE_NO_SOUND | MACHINE_NOT_WORKING )
+GAME( 2006, pingu,  0,      alien, alien, alien_state, 0, ROT0, "Pygos Group / Capcom", "Pingu's Ice Block", MACHINE_NO_SOUND | MACHINE_NOT_WORKING )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index f640d6aa6fd..6ef18403963 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -999,7 +999,8 @@ wsjr_15                         // (c) 1991
 zortonbr                        // (c) 1993 Web Picmatic
 
 @source:alien.cpp
-alien                           // (c) 2005
+alien                           // (c) 2005 Capcom
+pingu                           // (c) 2006 The Pygos Group / Capcom
 
 @source:aliens.cpp
 aliens                          // GX875 (c) 1990 (World)