diff --git a/src/mame/drivers/de_2.cpp b/src/mame/drivers/de_2.cpp
index 37f8b1cf0bc..628e46554de 100644
--- a/src/mame/drivers/de_2.cpp
+++ b/src/mame/drivers/de_2.cpp
@@ -630,6 +630,17 @@ MACHINE_CONFIG_END
 /*--------------------------------------------------------------------------------
 / Back To the Future - CPU Rev 3 /Alpha Type 3 - 32K Roms - 32/64K Sound Roms
 /--------------------------------------------------------------------------------*/
+ROM_START(bttf_a28)
+	ROM_REGION(0x10000, "maincpu", 0)
+	ROM_LOAD("bttfb5.2-8", 0x4000, 0x4000, CRC(a7dafa3c) SHA1(a29b8986d1886aa7bb7dea2521c3d7143ab75320))
+	ROM_LOAD("bttfc5.2-8", 0x8000, 0x8000, CRC(5dc9928f) SHA1(03de05ed7b04ba86d695f03b1a3d65788faf2d4f))
+	ROM_REGION(0x10000, "audiocpu", 0)
+	ROM_LOAD("bttfsf7.rom", 0x8000, 0x8000, CRC(7673146e) SHA1(d6bd7cf39c78c8aff0b1a0b6cfd46a2a8ce9e086))
+	ROM_REGION(0x1000000, "sound1", 0)
+	ROM_LOAD("bttfsf6.rom", 0x00000, 0x10000, CRC(468a8d9c) SHA1(713cf84cc5f0531e2e9f7aaa58ebeb53c28ba395))
+	ROM_LOAD("bttfsf5.rom", 0x10000, 0x10000, CRC(37a6f6b8) SHA1(ebd603d36527a2af25dcda1fde5cdf9a34d1f9cd))
+ROM_END
+
 ROM_START(bttf_a27)
 	ROM_REGION(0x10000, "maincpu", 0)
 	ROM_LOAD("bttfb5.2-7", 0x4000, 0x4000, CRC(24b53174) SHA1(00a5e47e70ce4244873980c946479f0bbc414f2e))
@@ -935,10 +946,11 @@ ROM_START(torp_a16)
 ROM_END
 
 
-GAME(1990,  bttf_a27,       0,          de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.7)",                                     MACHINE_IS_SKELETON_MECHANICAL)
-GAME(1990,  bttf_a20,       bttf_a27,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.0)",                                     MACHINE_IS_SKELETON_MECHANICAL)
-GAME(1990,  bttf_a21,       bttf_a27,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To The Future (2.1)",                                     MACHINE_IS_SKELETON_MECHANICAL)
-GAME(199?,  bttf_g27,       bttf_a27,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.7 Germany)",                             MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1990,  bttf_a28,       0,          de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.8)",                                     MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1990,  bttf_a27,       bttf_a28,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.7)",                                     MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1990,  bttf_a20,       bttf_a28,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.0)",                                     MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1990,  bttf_a21,       bttf_a28,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To The Future (2.1)",                                     MACHINE_IS_SKELETON_MECHANICAL)
+GAME(199?,  bttf_g27,       bttf_a28,   de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",    "Back To the Future (2.7 Germany)",                             MACHINE_IS_SKELETON_MECHANICAL)
 GAME(1990,  kiko_a10,       0,          de_type3,   de_2, de_2_state,   de_2,   ROT0,   "Data East",        "King Kong (1.0)",           MACHINE_IS_SKELETON_MECHANICAL)
 GAME(1987,  lwar_a83,       0,          de_type1,   de_2, de_2_state,   de_2,   ROT0,   "Data East",        "Laser War (8.3)",           MACHINE_IS_SKELETON_MECHANICAL)
 GAME(1987,  lwar_a81,       lwar_a83,   de_type1,   de_2, de_2_state,   de_2,   ROT0,   "Data East",        "Laser War (8.1)",           MACHINE_IS_SKELETON_MECHANICAL)
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 757d1a30b69..cbb5d544585 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -10699,6 +10699,7 @@ ddribblep                       // GX690 (c) 1986
 bttf_a20                        //
 bttf_a21                        //
 bttf_a27                        //
+bttf_a28                        //
 bttf_g27                        //
 kiko_a10                        //
 lwar_a81                        //