diff --git a/HISTORY.txt b/HISTORY.txt
index 0fbfd22..52277b8 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -52,7 +52,7 @@ Genesis Plus GX 1.7.5 (xx/xx/xxxx) (Eke-Eke)
 ---------------
 * added support for more Radica dumps
 * added support for more X-in-1 pirate mappers
-* added support for some new unlicensed games with copy protection (Thunderbolt II, Tom Clown, Chaoji Puke / Super Poker)
+* added support for some new unlicensed games with copy protection (Thunderbolt II, Tom Clown, Chaoji Puke / Super Poker, Rock Heaven, Rock World)
 * added support for Everdrive extended SSF mapper
 * added (very basic) emulation of Flashkit MD hardware
 * improved console region auto-detection for a few PAL-only games (The Smurfs Travel the World & Williams Arcade's Greatest Hits)
diff --git a/builds/genesis_plus_gx_libretro.dll b/builds/genesis_plus_gx_libretro.dll
index f77a160..41f7fae 100644
Binary files a/builds/genesis_plus_gx_libretro.dll and b/builds/genesis_plus_gx_libretro.dll differ
diff --git a/builds/genplus_cube.dol b/builds/genplus_cube.dol
index 54412b7..cfa3279 100644
Binary files a/builds/genplus_cube.dol and b/builds/genplus_cube.dol differ
diff --git a/builds/genplus_wii.dol b/builds/genplus_wii.dol
index 6bb7e1f..6cf57b2 100644
Binary files a/builds/genplus_wii.dol and b/builds/genplus_wii.dol differ
diff --git a/core/cart_hw/md_cart.c b/core/cart_hw/md_cart.c
index 3a4f567..ac1949b 100644
--- a/core/cart_hw/md_cart.c
+++ b/core/cart_hw/md_cart.c
@@ -227,6 +227,12 @@ static const md_entry_t rom_database[] =
   {0x0000,0xd0a0,0x48,0x4f,{{0x00,0x00,0xaa,0xf0},{0xffffff,0xffffff,0xfc0000,0xfc0000},{0x000000,0x000000,0x480000,0x4c0000},0,0,NULL,NULL,default_regs_r,NULL}},
 
 
+/* Rock Heaven */
+  {0x6cca,0x2395,0x50,0x50,{{0x50,0x00,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x500008,0x000000,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}},
+/* Rock World */
+  {0x3547,0xa3da,0x50,0x50,{{0x50,0xa0,0x00,0x00},{0xffffff,0xffffff,0xffffff,0xffffff},{0x500008,0x500208,0x000000,0x000000},0,0,NULL,NULL,default_regs_r,NULL}},
+
+
 /* Rockman X3 (bootleg version ? two last register returned values are ignored, note that 0xaa/0x18 would work as well) */
   {0x0000,0x9d0e,0x40,0x40,{{0x0c,0x00,0xc9,0xf0},{0xffffff,0xffffff,0xffffff,0xffffff},{0xa13000,0x000000,0x400004,0x400006},0,0,default_regs_r,NULL,default_regs_r,NULL}},