diff --git a/src/mame/drivers/taitopjc.cpp b/src/mame/drivers/taitopjc.cpp
index d27a4e49d38..fc14d9ddf29 100644
--- a/src/mame/drivers/taitopjc.cpp
+++ b/src/mame/drivers/taitopjc.cpp
@@ -856,4 +856,4 @@ ROM_START( optiger )
 	// TODO: There are 6 PALs in total on the main PCB.
 ROM_END
 
-GAME( 1998, optiger, 0, taitopjc, taitopjc, taitopjc_state, optiger, ROT0, "Taito", "Operation Tiger", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+GAME( 1998, optiger, 0, taitopjc, taitopjc, taitopjc_state, optiger, ROT0, "Taito", "Operation Tiger (Ver 2.14 O)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
diff --git a/src/mame/drivers/taitotz.cpp b/src/mame/drivers/taitotz.cpp
index 2c2c0ff3e9e..9642e856622 100644
--- a/src/mame/drivers/taitotz.cpp
+++ b/src/mame/drivers/taitotz.cpp
@@ -2916,12 +2916,12 @@ ROM_START( styphp )
 ROM_END
 
 GAME( 1999, taitotz,  0, taitotz, taitotz, driver_device, 0, ROT0, "Taito", "Type Zero BIOS", MACHINE_NO_SOUND|MACHINE_NOT_WORKING|MACHINE_IS_BIOS_ROOT)
-GAME( 1999, landhigh, taitotz, landhigh, landhigh, taitotz_state, landhigh, ROT0, "Taito", "Landing High Japan", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
-GAME( 1999, batlgear, taitotz, taitotz,  batlgr2, taitotz_state,  batlgear, ROT0, "Taito", "Battle Gear", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+GAME( 1999, landhigh, taitotz, landhigh, landhigh, taitotz_state, landhigh, ROT0, "Taito", "Landing High Japan  (Ver 2.01 OK)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+GAME( 1999, batlgear, taitotz, taitotz,  batlgr2, taitotz_state,  batlgear, ROT0, "Taito", "Battle Gear (Ver 2.40 A)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
 GAME( 1999, pwrshovl, taitotz, taitotz,  pwrshovl, taitotz_state, pwrshovl, ROT0, "Taito", "Power Shovel ni Norou!! - Power Shovel Simulator (v2.07J)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) // 1999/8/5 19:13:35
 GAME( 1999, pwrshovla,pwrshovl,taitotz,  pwrshovl, taitotz_state, pwrshovl, ROT0, "Taito", "Power Shovel ni Norou!! - Power Shovel Simulator (v2.07J, alt)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) // seem to be some differences in drive content, but identifies as the same revision, is it just user data changes??
 GAME( 2000, batlgr2,  taitotz, taitotz,  batlgr2, taitotz_state,  batlgr2,  ROT0, "Taito", "Battle Gear 2 (v2.04J)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
 GAME( 2000, batlgr2a, batlgr2, taitotz,  batlgr2, taitotz_state,  batlgr2a, ROT0, "Taito", "Battle Gear 2 (v2.01J)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
-GAME( 2000, styphp,   taitotz, taitotz,  styphp,  taitotz_state,  styphp,   ROT0, "Taito", "Stunt Typhoon Plus", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+GAME( 2000, styphp,   taitotz, taitotz,  styphp,  taitotz_state,  styphp,   ROT0, "Taito", "Stunt Typhoon Plus (Ver 2.04 J)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
 GAME( 2002, raizpin,  taitotz, taitotz,  taitotz, taitotz_state,  raizpin,  ROT0, "Taito", "Raizin Ping Pong (V2.01O)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
 GAME( 2002, raizpinj, raizpin, taitotz,  taitotz, taitotz_state,  raizpinj, ROT0, "Taito", "Raizin Ping Pong (V2.01J)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )