diff --git a/src/mame/drivers/ddenlovr.cpp b/src/mame/drivers/ddenlovr.cpp
index 3e8b7aacbeb..8bec70d9623 100644
--- a/src/mame/drivers/ddenlovr.cpp
+++ b/src/mame/drivers/ddenlovr.cpp
@@ -91,7 +91,7 @@ TODO:
 
 - The meaning of blitter commands 43 and 8c is not understood.
 
-- quizchq: it locks up, some samples are played at the wrong pitch
+- quizchq: some samples are played at the wrong pitch (which ones?)
 
 - quiz365 protection
 
@@ -13036,8 +13036,8 @@ GAME( 1993, mjmyorn2,  0,        mjmyornt,  mjmyorn2, ddenlovr_state, 0,
 GAME( 1992, mjmyornt,  mjmyorn2, mjmyornt,  mjmyornt, ddenlovr_state, 0,        ROT0, "Dynax",                                       "Mahjong The Mysterious Orient",                                   MACHINE_NO_COCKTAIL  )
 GAME( 1993, funkyfig,  0,        funkyfig,  funkyfig, ddenlovr_state, 0,        ROT0, "Nakanihon / East Technology (Taito license)", "The First Funky Fighter (USA, Canada, Mexico / Japan, set 1)",    MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_GRAPHICS ) // scrolling, priority?
 GAME( 1993, funkyfiga, funkyfig, funkyfig,  funkyfig, ddenlovr_state, 0,        ROT0, "Nakanihon / East Technology (Taito license)", "The First Funky Fighter (USA, Canada, Mexico / Japan, set 2)",    MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_GRAPHICS ) // ""
-GAME( 1993, quizchq,   0,        quizchq,   quizchq,  ddenlovr_state, 0,        ROT0, "Nakanihon",                                   "Quiz Channel Question (Ver 1.00) (Japan)",                        MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
-GAME( 1993, quizchql,  quizchq,  quizchq,   quizchq,  ddenlovr_state, 0,        ROT0, "Nakanihon (Laxan license)",                   "Quiz Channel Question (Ver 1.23) (Taiwan?)",                      MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_NOT_WORKING )
+GAME( 1993, quizchq,   0,        quizchq,   quizchq,  ddenlovr_state, 0,        ROT0, "Nakanihon",                                   "Quiz Channel Question (Ver 1.00) (Japan)",                        MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
+GAME( 1993, quizchql,  quizchq,  quizchq,   quizchq,  ddenlovr_state, 0,        ROT0, "Nakanihon (Laxan license)",                   "Quiz Channel Question (Ver 1.23) (Taiwan?)",                      MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
 GAME( 1993, animaljr,  0,        mmpanic,   animaljr, ddenlovr_state, 0,        ROT0, "Nakanihon / East Technology (Taito license)", "Exciting Animal Land Jr. (USA)",                                  MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_SOUND )
 GAME( 1993, animaljrs, animaljr, mmpanic,   animaljr, ddenlovr_state, 0,        ROT0, "Nakanihon / East Technology (Taito license)", "Animalandia Jr. (Spanish)",                                       MACHINE_NO_COCKTAIL  | MACHINE_IMPERFECT_SOUND )
 GAME( 1993, animaljrj, animaljr, mmpanic,   animaljr, ddenlovr_state, 0,        ROT0, "Nakanihon / East Technology (Taito license)", "Waiwai Animal Land Jr. (Japan)",                                  MACHINE_NO_COCKTAIL  )