diff --git a/src/mame/technos/shadfrce.cpp b/src/mame/technos/shadfrce.cpp
index d166e7158b61d..579f39bc861de 100644
--- a/src/mame/technos/shadfrce.cpp
+++ b/src/mame/technos/shadfrce.cpp
@@ -656,12 +656,12 @@ static INPUT_PORTS_START( shadfrce )
 	SHADFRCE_PLAYER_INPUT( 2, IPT_START2 )
 
 	PORT_START("EXTRA") // Fake IN2 (players 1 & 2 extra inputs
-	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
-	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1)
-	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1)
-	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
-	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2)
-	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2)
+	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
+	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
+	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
+	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
+	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
+	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
 
@@ -704,21 +704,21 @@ static INPUT_PORTS_START( shadfrce )
 
 	PORT_START("DSW2")  // not mapped directly
 	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )        PORT_DIPLOCATION("SW2:1,2")
-	PORT_DIPSETTING(    0x01, DEF_STR( Easy ) )
+	PORT_DIPSETTING(    0x02, DEF_STR( Easy ) )
 	PORT_DIPSETTING(    0x03, DEF_STR( Normal ) )
-	PORT_DIPSETTING(    0x02, DEF_STR( Hard ) )                  // "Advanced" in manual
+	PORT_DIPSETTING(    0x01, DEF_STR( Hard ) )                  // "Advanced" in manual
 	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )               // "Expert" in manual
 	PORT_DIPNAME( 0x0c, 0x0c, "Stage Clear Energy Regain" )  PORT_DIPLOCATION("SW2:3,4")
-	PORT_DIPSETTING(    0x04, "50%" )
-	PORT_DIPSETTING(    0x0c, "25%" )
-	PORT_DIPSETTING(    0x08, "10%" )
+	PORT_DIPSETTING(    0x0c, "100%" )
+	PORT_DIPSETTING(    0x08, "50%" )
+	PORT_DIPSETTING(    0x04, "25%" )
 	PORT_DIPSETTING(    0x00, "0%" )
-	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unused ) )            PORT_DIPLOCATION("SW2:5")
-	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unused ) )            PORT_DIPLOCATION("SW2:6")
-	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x10, 0x10, "Player's lives" )            PORT_DIPLOCATION("SW2:5")
+	PORT_DIPSETTING(    0x00, "1" )
+	PORT_DIPSETTING(    0x10, "2" )
+	PORT_DIPNAME( 0x20, 0x20, "Vs. Stage" )            PORT_DIPLOCATION("SW2:6")
+	PORT_DIPSETTING(    0x00, "Yes" )
+	PORT_DIPSETTING(    0x20, "No" )
 	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unused ) )            PORT_DIPLOCATION("SW2:7")
 	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
@@ -729,6 +729,31 @@ static INPUT_PORTS_START( shadfrce )
 	// PCB has 3rd DIP switch "SW3" listed in manual as 1:OFF & 2:OFF & 3:OFF (ALL "NOT USED"), 4:ON & 5:ON (ALL "DON'T TOUCH"), 6:OFF, 7:OFF, 8:OFF (ALL "NOT USED")
 INPUT_PORTS_END
 
+static INPUT_PORTS_START( shadfrceu )
+	PORT_INCLUDE(shadfrce)
+
+	PORT_MODIFY("EXTRA") // Fake IN2 (players 1 & 2 extra inputs)
+	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
+	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1)
+	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1)
+	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
+	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2)
+	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2)
+
+	PORT_MODIFY("DSW2") 
+	PORT_DIPNAME( 0x0c, 0x08, "Stage Clear Energy Regain" )  PORT_DIPLOCATION("SW2:3,4")
+	PORT_DIPSETTING(    0x08, "100%" )
+	PORT_DIPSETTING(    0x04, "50%" )
+	PORT_DIPSETTING(    0x00, "25%" )
+	PORT_DIPSETTING(    0x0c, "0%" )
+	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unused ) )            PORT_DIPLOCATION("SW2:5")
+	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unused ) )            PORT_DIPLOCATION("SW2:6")
+	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
 // Graphic Decoding
 
 static const gfx_layout fg8x8x4_layout =
@@ -903,6 +928,6 @@ ROM_END
 } // anonymous namespace
 
 
-GAME( 1993, shadfrce,   0,        shadfrce, shadfrce, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (World, Version 3)",                 MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
-GAME( 1993, shadfrceu,  shadfrce, shadfrce, shadfrce, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (US, Version 2)",                    MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
-GAME( 1993, shadfrcej,  shadfrce, shadfrce, shadfrce, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force - Henshin Ninja (Japan, Version 2)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
+GAME( 1993, shadfrce,   0,        shadfrce, shadfrce,  shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (World, Version 3)",                 MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
+GAME( 1993, shadfrceu,  shadfrce, shadfrce, shadfrceu, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (US, Version 2)",                    MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
+GAME( 1993, shadfrcej,  shadfrce, shadfrce, shadfrce,  shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force - Henshin Ninja (Japan, Version 2)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )