diff --git a/Changes.txt b/Changes.txt
index 8114512a8..c90164f26 100644
--- a/Changes.txt
+++ b/Changes.txt
@@ -92,6 +92,8 @@
 
   * Updated PAL palette.
 
+  * Added recently released 'Arkyology' prototype ROM to the database.
+
   * For UNIX systems: in the ROM launcher, when using symlinks use the
     symlink pathname instead of the underlying filesystem pathname.
 
diff --git a/src/emucore/CartF8.cxx b/src/emucore/CartF8.cxx
index b0bf77e9b..1b2cd27e5 100644
--- a/src/emucore/CartF8.cxx
+++ b/src/emucore/CartF8.cxx
@@ -36,7 +36,8 @@ CartridgeF8::CartridgeF8(const BytePtr& image, uInt32 size, const string& md5,
      md5 == "75ee371ccfc4f43e7d9b8f24e1266b55" ||  // Snow White
      md5 == "74c8a6f20f8adaa7e05183f796eda796" ||  // Tricade Demo
      md5 == "9905f9f4706223dadee84f6867ede8e3" ||  // Challenge
-     md5 == "3c7a7b3a0a7e6319b2fa0f923ef6c9af")    // Racer Prototype
+     md5 == "3c7a7b3a0a7e6319b2fa0f923ef6c9af" ||  // Racer Prototype
+     md5 == "2434102f30eeb47792cf0825e368229b")    // Arkyology
     ? 0 : 1;
 }
 
diff --git a/src/emucore/DefProps.hxx b/src/emucore/DefProps.hxx
index c5811a0a8..c6ad40397 100644
--- a/src/emucore/DefProps.hxx
+++ b/src/emucore/DefProps.hxx
@@ -25,7 +25,7 @@
   regenerated and the application recompiled.
 */
 
-#define DEF_PROPS_SIZE 3316
+#define DEF_PROPS_SIZE 3318
 
 static const char* const DefProps[DEF_PROPS_SIZE][21] = {
   { "000509d1ed2b8d30a9d94be1b3b5febb", "Greg Zumwalt", "", "Jungle Jane (2003) (Greg Zumwalt) (Hack)", "Hack of Pitfall!", "Hack", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
@@ -481,6 +481,7 @@ static const char* const DefProps[DEF_PROPS_SIZE][21] = {
   { "23fad5a125bcd4463701c8ad8a0043a9", "CCE", "C-840", "Stone Age (1983) (CCE)", "Uses the Joystick Controllers (swapped)", "", "", "", "A", "A", "", "YES", "", "", "", "", "", "", "220", "YES", "" },
   { "240bfbac5163af4df5ae713985386f92", "Activision, Steve Cartwright", "AX-022", "Seaquest (1983) (Activision)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "2432f33fd278dea5fe6ae94073627fcc", "CBS Electronics, Tom DiDomenico", "4L2477, 4L2482, 4L2485, 4L4171", "Blueprint (1983) (CBS Electronics) (PAL)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "" },
+  { "2434102f30eeb47792cf0825e368229b", "Sparrow - Enter-Tech, Paul Walters, Rick Harris, George Hefner, Barbara Ultis", "", "Arkyology (1983) (Sparrow) (Prototype)", "ROM must be started in bank 0", "Prototype", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "24385ba7f5109fbe76aadc0a375de573", "CCE", "", "Xevious (CCE)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "" },
   { "2447e17a4e18e6b609de498fe4ab52ba", "CCE", "", "Super Futebol (CCE)", "AKA RealSports Soccer", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "" },
   { "244c6de27faff527886fc7699a41c3be", "", "", "Matt Demo (PD)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
@@ -1949,6 +1950,7 @@ static const char* const DefProps[DEF_PROPS_SIZE][21] = {
   { "939ce554f5c0e74cc6e4e62810ec2111", "ZiMAG - Emag - Vidco", "711-111 - GN-020", "Dishaster (1983) (ZiMAG)", "AKA Dancing Plate", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "" },
   { "93acd5020ae8eb5673601e2edecbc158", "Chris Cracknell", "", "Video Time Machine (Chris Cracknell)", "", "New Release", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "93b9229fc0ea4fb959d604f83f8f603c", "Thomas Jentzsch", "", "Amidar DS (Fast Enemies) (2003) (TJ) (Hack)", "Hack of Amidar", "Hack", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
+  { "93c4b910f7649b3e998bb6d8527c6f4a", "Sparrow - Enter-Tech, Paul Walters, Rick Harris, George Hefner, Barbara Ultis", "", "Arkyology (1983) (Sparrow) (Prototype) [fixed]", "Fix for un-initialized 'X' register", "Prototype", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "93c52141d3c4e1b5574d072f1afde6cd", "Imagic, Mark Klein", "720112-1A, 03213", "Subterranea (1983) (Imagic)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "93c8d9d24f9c5f1f570694848d087df7", "Digivision", "", "Galaxian (Digivision)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
   { "93c9f9239a4e5c956663dd7affa70da2", "Quelle", "626.610 0", "Billard (1983) (Quelle) (PAL)", "AKA Trick Shot", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "" },
diff --git a/src/emucore/stella.pro b/src/emucore/stella.pro
index 6b100b49e..800f89e91 100644
--- a/src/emucore/stella.pro
+++ b/src/emucore/stella.pro
@@ -20430,3 +20430,16 @@
 "Cartridge.Name" "Spitfire Attack (1983) (Milton Bradley) [h1]"
 ""
 
+"Cartridge.MD5" "2434102f30eeb47792cf0825e368229b"
+"Cartridge.Manufacturer" "Sparrow - Enter-Tech, Paul Walters, Rick Harris, George Hefner, Barbara Ultis"
+"Cartridge.Name" "Arkyology (1983) (Sparrow) (Prototype)"
+"Cartridge.Note" "ROM must be started in bank 0"
+"Cartridge.Rarity" "Prototype"
+""
+
+"Cartridge.MD5" "93c4b910f7649b3e998bb6d8527c6f4a"
+"Cartridge.Manufacturer" "Sparrow - Enter-Tech, Paul Walters, Rick Harris, George Hefner, Barbara Ultis"
+"Cartridge.Name" "Arkyology (1983) (Sparrow) (Prototype) [fixed]"
+"Cartridge.Note" "Fix for un-initialized 'X' register"
+"Cartridge.Rarity" "Prototype"
+""