diff --git a/src/mame/drivers/portrait.cpp b/src/mame/drivers/portrait.cpp
index 7c363b15f4c..c1a048fffa3 100644
--- a/src/mame/drivers/portrait.cpp
+++ b/src/mame/drivers/portrait.cpp
@@ -23,10 +23,15 @@ Pierpaolo Prazzoli, xx-07-2004
    ON    ON -> camera test
 
 TODO:
- - add sound
- - add colors
- - fix sprites positions
-
+ - add sound;
+ - add colors (maybe not RGB555);
+ - fix sprites positions (zooming?);
+ - video priority bits;
+ - offset background scrolling positions (i.e. monkey climbing on trees);
+ - camera device (type?);
+ - misc unknown input/outputs;
+ 
+ 
 RAM Location 9240: Controls what level you are on: 0-3 (for each scene)
 
 -------------------------------------------------------------------------
@@ -392,5 +397,5 @@ ROM_END
 
 
 
-GAME( 1983, portrait, 0,        portrait, portrait, portrait_state, empty_init, ROT270, "Olympia", "Portraits (set 1)", MACHINE_NO_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE )
-GAME( 1983, portraita,portrait, portrait, portrait, portrait_state, empty_init, ROT270, "Olympia", "Portraits (set 2)", MACHINE_NO_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE )
+GAME( 1983, portrait, 0,        portrait, portrait, portrait_state, empty_init, ROT270, "Olympia", "Portraits (set 1)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE )
+GAME( 1983, portraita,portrait, portrait, portrait, portrait_state, empty_init, ROT270, "Olympia", "Portraits (set 2)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/drivers/taito_f3.cpp b/src/mame/drivers/taito_f3.cpp
index 2c75e650928..969da32a49a 100644
--- a/src/mame/drivers/taito_f3.cpp
+++ b/src/mame/drivers/taito_f3.cpp
@@ -4284,7 +4284,7 @@ GAME( 1995, spcinv95, 0,        f3_224a, f3, taito_f3_state, init_spcinv95, ROT2
 GAME( 1995, spcinv95u,spcinv95, f3_224a, f3, taito_f3_state, init_spcinv95, ROT270, "Taito America Corporation", "Space Invaders '95: The Attack Of Lunar Loonies (Ver 2.5A 1995/06/14)", 0 )
 GAME( 1995, akkanvdr, spcinv95, f3_224a, f3, taito_f3_state, init_spcinv95, ROT270, "Taito Corporation",         "Akkanbeder (Ver 2.5J 1995/06/14)", 0 )
 GAME( 1995, twinqix,  0,        f3_224a, f3, taito_f3_state, init_twinqix,  ROT0,   "Taito America Corporation", "Twin Qix (Ver 1.0A 1995/01/17, prototype)", 0 )
-GAME( 1995, quizhuhu, 0,        f3,      f3, taito_f3_state, init_quizhuhu, ROT0,   "Taito Corporation",         "Moriguchi Hiroko no Quiz de Hyuu!Hyuu! (Ver 2.2J 1995/05/25)", 0 )
+GAME( 1995, quizhuhu, 0,        f3,      f3, taito_f3_state, init_quizhuhu, ROT0,   "Taito Corporation",         "Moriguchi Hiroko no Quiz de Hyuu!Hyuu! (Ver 2.2J 1995/05/25)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS ) // quiz text positioning, heavy sprite window usage
 GAME( 1995, pbobble2, 0,        f3,      f3, taito_f3_state, init_pbobbl2p, ROT0,   "Taito Corporation Japan",   "Puzzle Bobble 2 (Ver 2.3O 1995/07/31)", 0 )
 GAME( 1995, pbobble2o,pbobble2, f3,      f3, taito_f3_state, init_pbobble2, ROT0,   "Taito Corporation Japan",   "Puzzle Bobble 2 (Ver 2.2O 1995/07/20)", 0 )
 GAME( 1995, pbobble2j,pbobble2, f3,      f3, taito_f3_state, init_pbobble2, ROT0,   "Taito Corporation",         "Puzzle Bobble 2 (Ver 2.2J 1995/07/20)", 0 )
diff --git a/src/mame/includes/portrait.h b/src/mame/includes/portrait.h
index 39c7916cc19..8d3410ee5a0 100644
--- a/src/mame/includes/portrait.h
+++ b/src/mame/includes/portrait.h
@@ -35,6 +35,8 @@ public:
 	void portrait_map(address_map &map);
 	void portrait_sound_map(address_map &map);
 
+	static constexpr feature_type unemulated_features() { return feature::CAMERA; }
+
 protected:
 	virtual void machine_start() override { m_lamps.resolve(); }
 	virtual void video_start() override;