diff --git a/src/emucore/DefProps.hxx b/src/emucore/DefProps.hxx
index 93aee0640..fd38aed75 100644
--- a/src/emucore/DefProps.hxx
+++ b/src/emucore/DefProps.hxx
@@ -2124,7 +2124,7 @@ static const char* const DefProps[DEF_PROPS_SIZE][21] = {
   { "98ef1593624b409b9fb83a1c272a0aa7", "CCE", "C-831", "Cosmic Ark (1983) (CCE)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "98f63949e656ff309cefa672146dc1b8", "Atari - Axlon, John Vifian", "CX26168", "Off the Wall (1989) (Atari)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "98fa3ad778a668a79449350de4b3b95b", "Thomas Jentzsch", "", "Thrust (V1.1) (2000) (TJ)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
-  { "9905f9f4706223dadee84f6867ede8e3", "HES", "", "Challenge (HES) (PAL)", "ROM must be started in bank 1 (Surfer's Paradise if right difficulty = 'A')", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
+  { "9905f9f4706223dadee84f6867ede8e3", "HES", "", "Challenge (HES) (PAL)", "Surfer's Paradise if right difficulty = 'A'", "", "", "0", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "9912d06eea42200a198dd3e2be18c601", "Imagic, Michael Greene", "IA3312", "No Escape! (1982) (Imagic) [a]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "991d57bbcd529ad62925098e0aec1241", "", "", "Gunfight 2600 - The Final Kernel (MP) [a1]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "9945a22f60bbaf6d04a8d73b3cf3db75", "Activision, Dan Kitchen", "EAX-039-04B, EAX-039-04I", "Kung-Fu Master (1987) (Activision) (PAL) [a]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
@@ -3208,7 +3208,7 @@ static const char* const DefProps[DEF_PROPS_SIZE][21] = {
   { "ead60451c28635b55ca8fea198444e16", "Sancho - Tang's Electronic Co.", "TEC004", "Nightmare (1983) (Sancho) (PAL)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "eada0dd61ce13f8317de774dc1e68604", "", "", "2600 Digital Clock (Demo 1) (PD)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "eae0c06ee61c63b81cd016096fc901b0", "Joe Grand", "", "SCSIcide (v1.0) (2001) (Joe Grand)", "", "New Release", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
-  { "eae6a5510055341d3abeb45667bb3e9b", "HES", "", "Wall Defender (HES) (PAL)", "AKA Wall Break", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
+  { "eae6a5510055341d3abeb45667bb3e9b", "HES", "", "Wall Defender (HES) (PAL)", "AKA Wall Break (Planet Patrol if right difficulty = 'A')", "", "", "0", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "eaf744185d5e8def899950ba7c6e7bb5", "Atari", "CX26172", "Xenophobe (1991) (Atari)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "eafe8b40313a65792e88ff9f2fe2655c", "Eric Ball", "ELB004", "Skeleton+ (NTSC)", "Stereo sound", "Homebrew", "STEREO", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "eb3d680699f8762f71f38e28e321234d", "", "", "Fu Kung! (V0.01) (08-01-2003) (AD)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },