diff --git a/src/mame/drivers/wpc_s.cpp b/src/mame/drivers/wpc_s.cpp
index abe916bbbb0..ee081c96ce1 100644
--- a/src/mame/drivers/wpc_s.cpp
+++ b/src/mame/drivers/wpc_s.cpp
@@ -2435,6 +2435,20 @@ ROM_START(fs_lx4)
 	ROM_LOAD16_BYTE("fs_u9_s.l1", 0xe00000, 0x080000, CRC(0a6664fb) SHA1(751a726e3ea6a808bb137f3563d54acd1580836d))
 ROM_END
 
+ROM_START(fs_lx3)
+	ROM_REGION(0x80000, "maincpu", 0)
+	ROM_LOAD("flin_lx3.rom", 0x00000, 0x80000, CRC(2298c267) SHA1(6536213d758d05d0c85bf39e9ccc34cac1d849d4))
+	ROM_REGION16_LE(0x1000000, "dcs", ROMREGION_ERASEFF)
+	ROM_LOAD16_BYTE("fs_u2_s.l1", 0x000000, 0x080000, CRC(aa3da768) SHA1(b9ab9d716f03c3fa4dc7352993477c021a07138a))
+	ROM_LOAD16_BYTE("fs_u3_s.l1", 0x200000, 0x080000, CRC(e8a0b2d1) SHA1(5fd7ff4a194f845db53573a1a44efbfffed292f9))
+	ROM_LOAD16_BYTE("fs_u4_s.l1", 0x400000, 0x080000, CRC(a5de69f4) SHA1(a7e7f35964ec8b40a971920c2c6cf2ecb730bc60))
+	ROM_LOAD16_BYTE("fs_u5_s.l1", 0x600000, 0x080000, CRC(74b4d495) SHA1(98a145c07694db7b56f5c6ba84bc631fb5c18bae))
+	ROM_LOAD16_BYTE("fs_u6_s.l1", 0x800000, 0x080000, CRC(3c7f7a04) SHA1(45e017dc36922ad2ff420724f912e109a75a15a3))
+	ROM_LOAD16_BYTE("fs_u7_s.l1", 0xa00000, 0x080000, CRC(f32b9271) SHA1(19308cb54ae6fc6343ab7411546b251ba66b0905))
+	ROM_LOAD16_BYTE("fs_u8_s.l1", 0xc00000, 0x080000, CRC(a7aafa3e) SHA1(54dca32dc2bec5432cd3664bb5aa45d367560b96))
+	ROM_LOAD16_BYTE("fs_u9_s.l1", 0xe00000, 0x080000, CRC(0a6664fb) SHA1(751a726e3ea6a808bb137f3563d54acd1580836d))
+ROM_END
+
 /*-------------
 / The Pinball Circus #60020
 /--------------*/
@@ -2798,6 +2812,7 @@ GAME(1994,  rs_lx2,     rs_l6,      wpc_s,  rs,   wpc_s_state,  init_rs,    ROT0
 GAME(1994,  fs_lx5,     0,          wpc_s,  fs,   wpc_s_state,  init_fs,    ROT0,  "Williams",     "The Flintstones (LX-5)",            MACHINE_MECHANICAL)
 GAME(1994,  fs_lx2,     fs_lx5,     wpc_s,  fs,   wpc_s_state,  init_fs,    ROT0,  "Williams",     "The Flintstones (LX-2)",            MACHINE_MECHANICAL)
 GAME(1994,  fs_sp2,     fs_lx5,     wpc_s,  fs,   wpc_s_state,  init_fs,    ROT0,  "Williams",     "The Flintstones (SP-2)",            MACHINE_MECHANICAL)
+GAME(1994,  fs_lx3,     fs_lx5,     wpc_s,  fs,   wpc_s_state,  init_fs,    ROT0,  "Williams",     "The Flintstones (LX-3)",            MACHINE_MECHANICAL)
 GAME(1994,  fs_lx4,     fs_lx5,     wpc_s,  fs,   wpc_s_state,  init_fs,    ROT0,  "Williams",     "The Flintstones (LX-4)",            MACHINE_MECHANICAL)
 GAME(1995,  ts_lx5,     0,          wpc_s,  ts,   wpc_s_state,  init_ts,    ROT0,  "Bally",        "The Shadow (LX-5)",                 MACHINE_MECHANICAL)
 GAME(1995,  ts_lh6,     ts_lx5,     wpc_s,  ts,   wpc_s_state,  init_ts,    ROT0,  "Bally",        "The Shadow (LH-6)",                 MACHINE_MECHANICAL)
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 4473a195c84..62f15b9b703 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -40483,6 +40483,7 @@ corv_px4                        //
 dh_lf2                          //
 dh_lx2                          //
 fs_lx2                          //
+fs_lx3                          //
 fs_lx4                          //
 fs_lx5                          //
 fs_sp2                          //