diff --git a/src/mame/drivers/namcos1.c b/src/mame/drivers/namcos1.c
index 1a75f70810d..dfb8100360d 100644
--- a/src/mame/drivers/namcos1.c
+++ b/src/mame/drivers/namcos1.c
@@ -1507,6 +1507,36 @@ ROM_START( quester )
 	ROM_LOAD( "qs1_o1.bin",         0x20000, 0x10000, CRC(e4aab0ca) SHA1(e4765dd369b02492dbb9955cc082f24665a01635) )
 ROM_END
 
+ROM_START( questers )
+	ROM_REGION( 0x2c000, "audiocpu", 0 )       /* 176k for the sound cpu */
+	ROM_LOAD( "qs1_s0.bin",         0x0c000, 0x10000, CRC(c2ef3af9) SHA1(aa0766aad450660e216d817e41e030141e8d1f48) )
+
+	ROM_REGION( 0x400000, "user1", 0 ) /* 4M for ROMs */
+	/* 000000-07ffff empty */
+	/* 080000-0fffff empty */
+	/* 100000-17ffff empty */
+	/* 180000-1fffff empty */
+	/* 200000-27ffff empty */
+	ROM_LOAD_512( "qs2_p5.bin",      0x280000, CRC(15661fe7) SHA1(e3071981231dd84407d1cc90f3b248d2989406b3) )
+	ROM_LOAD_512( "qs2_p6.bin",      0x300000, CRC(19e0fc20) SHA1(bc824dd7f88ccfa2e97ae05897e6535cf6876fab) )
+	ROM_LOAD_512( "qs2_p7.bin",      0x380000, CRC(4f6ad716) SHA1(759b4eee1a24029efc2e813a648f6fbc22a17fab) )
+
+	ROM_REGION( 0xd0000, "mcu", 0 )       /* the MCU & voice */
+	ROM_LOAD( "cus64-64a1.mcu",     0x0f000, 0x01000, CRC(ffb5c0bd) SHA1(7a38c0cc2553c627f4ec507fb6e807cf7d537c02) ) /* internal 63701 MCU code */
+	ROM_LOAD_HS( "qs1_v0.bin",      0x10000, 0x10000, CRC(6a2f3038) SHA1(00870da9b7f65536ff052c32da2d553f8c6b994b) )
+
+	ROM_REGION( 0x20000, "gfx1", 0 )  /* character mask */
+	ROM_LOAD( "qs1_c8.bin",         0x00000, 0x10000, CRC(06730d54) SHA1(53d79c27e2f1b192b1de781b6b5024eb1e8126ad) )
+
+	ROM_REGION( 0x100000, "gfx2", 0 ) /* characters */
+	ROM_LOAD( "qs1_c0.bin",         0x00000, 0x20000, CRC(ca69bd7a) SHA1(98130f06e3d7b480b76bf28a4e252b4aaa1e1b3e) )
+	ROM_LOAD( "qs1_c1.bin",         0x20000, 0x20000, CRC(d660ba71) SHA1(738d225c0e2b91c785fde0c33a0520a672933659) )
+	ROM_LOAD( "qs1_c2.bin",         0x40000, 0x20000, CRC(4686f656) SHA1(8628a18bf7154b8edaf7cfbee2d8881a28690bff) )
+
+	ROM_REGION( 0x100000, "gfx3", 0 ) /* sprites */
+	ROM_LOAD( "qs1_o0.bin",         0x00000, 0x10000, CRC(e24f0bf1) SHA1(31f37f853fe27c24cfeaa059f8959dfea37911cb) )
+	ROM_LOAD( "qs1_o1.bin",         0x20000, 0x10000, CRC(e4aab0ca) SHA1(e4765dd369b02492dbb9955cc082f24665a01635) )
+ROM_END
 /* Pac-Mania */
 ROM_START( pacmania )
 	ROM_REGION( 0x2c000, "audiocpu", 0 )       /* 176k for the sound cpu */
@@ -2683,6 +2713,7 @@ GAME( 1987, dspirito, dspirit,  ns1,     dspirit,  dspirit,  ROT90,  "Namco", "D
 GAME( 1987, dspirita, dspirit,  ns1,     dspirit,  dspirit,  ROT90,  "Namco (Atari license)", "Dragon Spirit (Atari license)", 0 )
 GAME( 1987, blazer,   0,        ns1,     ns1,      blazer,   ROT90,  "Namco", "Blazer (Japan)", 0 )
 GAME( 1987, quester,  0,        ns1,     quester,  quester,  ROT90,  "Namco", "Quester (Japan)", 0 )
+GAME( 1987, questers, quester,  ns1,     quester,  quester,  ROT90,  "Namco", "Quester Special Edition (Japan)", 0 )
 GAME( 1987, pacmania, 0,        ns1,     pacmania, pacmania, ROT270, "Namco", "Pac-Mania", 0 )
 GAME( 1987, pacmaniaj,pacmania, ns1,     pacmania, pacmania, ROT90,  "Namco", "Pac-Mania (Japan)", 0 )
 GAME( 1987, galaga88, 0,        ns1,     galaga88, galaga88, ROT270, "Namco", "Galaga '88", 0 )
diff --git a/src/mame/drivers/segas16b.c b/src/mame/drivers/segas16b.c
index 095414fc48e..756a194c3a3 100644
--- a/src/mame/drivers/segas16b.c
+++ b/src/mame/drivers/segas16b.c
@@ -4224,8 +4224,8 @@ ROM_START( bullet )
 	ROM_LOAD16_BYTE( "epr-11012.a6",  0x020000, 0x08000, CRC(3992f159) SHA1(50686b394693ab01cbd159ae661f326c8eee50b8) )
 	ROM_LOAD16_BYTE( "epr-11009.a3",  0x020001, 0x08000, CRC(df199999) SHA1(2669e923aa4f1bedc788401f44ad19c318658f00) )
 
-	ROM_REGION( 0x2000, "user1", 0 ) /* decryption key -- still WIP */
-	ROM_LOAD( "317-0041.key", 0x0000, 0x2000, BAD_DUMP CRC(a30ae46c) SHA1(5e7361ab1f1d30c59d7f29152bc6f7175a0aa102) )
+	ROM_REGION( 0x2000, "user1", 0 ) /* decryption key */
+	ROM_LOAD( "317-0041.key", 0x0000, 0x2000, CRC(4cd4861a) SHA1(7578cfbd3efa28fa5eda0c007750b23060a305eb) )
 
 	ROM_REGION( 0x30000, "gfx1", 0 ) /* tiles */
 	ROM_LOAD( "epr-10994.b9",  0x00000, 0x10000, CRC(3035468a) SHA1(778366815a2a74188d72d64c5e1e95215bc4ca81) )
@@ -6594,7 +6594,7 @@ GAME( 1989, bayroute,   0,        system16b,      bayroute, generic_5704,
 GAME( 1989, bayroutej,  bayroute, system16b,      bayroute, generic_5704,       ROT0,   "Sunsoft / Sega", "Bay Route (set 2, Japan, FD1094 317-0115)", 0 )
 GAME( 1989, bayroute1,  bayroute, system16b,      bayroute, generic_5358,       ROT0,   "Sunsoft / Sega", "Bay Route (set 1, US, unprotected)", 0 )
 
-GAME( 1987, bullet,     0,        system16b,      bullet,   generic_5358_small, ROT0,   "Sega",           "Bullet (FD1094 317-0041)", GAME_UNEMULATED_PROTECTION )
+GAME( 1987, bullet,     0,        system16b,      bullet,   generic_5358_small, ROT0,   "Sega",           "Bullet (FD1094 317-0041)", 0 )
 /* Charon */
 GAME( 1991, cotton,     0,        system16b,      cotton,   generic_5704,       ROT0,   "Sega / Success", "Cotton (set 3, World, FD1094 317-0181a)", 0 )
 GAME( 1991, cottonu,    cotton,   system16b,      cotton,   generic_5704,       ROT0,   "Sega / Success", "Cotton (set 2, US, FD1094 317-0180)", 0 )
diff --git a/src/mame/mamedriv.c b/src/mame/mamedriv.c
index 67ed2031c96..fe5221ee6f5 100644
--- a/src/mame/mamedriv.c
+++ b/src/mame/mamedriv.c
@@ -771,6 +771,7 @@ const game_driver * const drivers[] =
 	DRIVER( dspirita )	/* (c) 1987 (Atari license) */
 	DRIVER( blazer )	/* (c) 1987 (Japan) */
 	DRIVER( quester )	/* (c) 1987 (Japan) */
+	DRIVER( questers )	/* (c) 1987 (Japan) */
 	DRIVER( pacmania )	/* (c) 1987 */
 	DRIVER( pacmaniaj )	/* (c) 1987 (Japan) */
 	DRIVER( galaga88 )	/* (c) 1987 */