diff --git a/README.md b/README.md
index 179c0d413..ce1fa0bb1 100644
--- a/README.md
+++ b/README.md
@@ -57,9 +57,7 @@ The following mappers are fully supported:
 - NT "old type" 1 and 2 (unlicensed multicart)
 - NT "new type" (unlicensed MBC5-like)
 - Pokémon Jade/Diamond (unlicensed)
-- BBD (unlicensed MBC5-like)
-- Hitek (unlicensed MBC5-like)
-- Sachen MMC1
+- Sachen MMC1 (unlicensed)
 
 The following mappers are partially supported:
 
@@ -70,6 +68,9 @@ The following mappers are partially supported:
 - HuC-1 (missing IR support)
 - HuC-3 (missing IR support)
 - Sachen MMC2 (missing alternate wiring support)
+- BBD (missing logo switching)
+- Hitek (missing logo switching)
+- Li Cheng (missing logo switching)
 
 ### Planned features
 
diff --git a/include/mgba/gb/interface.h b/include/mgba/gb/interface.h
index 35170ea82..7c23bb8dd 100644
--- a/include/mgba/gb/interface.h
+++ b/include/mgba/gb/interface.h
@@ -44,8 +44,9 @@ enum GBMemoryBankControllerType {
 	GB_UNL_NT_OLD_1 = 0x210,
 	GB_UNL_NT_OLD_2 = 0x211,
 	GB_UNL_NT_NEW = 0x212,
-	GB_UNL_BBD = 0x220, // Also used as a mask for MBCs that need special read behavior
+	GB_UNL_BBD = 0x220,
 	GB_UNL_HITEK = 0x221,
+	GB_UNL_LI_CHENG = 0x222,
 	GB_UNL_SACHEN_MMC1 = 0x230,
 	GB_UNL_SACHEN_MMC2 = 0x231,
 };
diff --git a/src/gb/mbc.c b/src/gb/mbc.c
index 18ec32ce6..0ce1f4590 100644
--- a/src/gb/mbc.c
+++ b/src/gb/mbc.c
@@ -50,6 +50,7 @@ static void _GBNTOld2(struct GB* gb, uint16_t address, uint8_t value);
 static void _GBNTNew(struct GB* gb, uint16_t address, uint8_t value);
 static void _GBBBD(struct GB* gb, uint16_t address, uint8_t value);
 static void _GBHitek(struct GB* gb, uint16_t address, uint8_t value);
+static void _GBLiCheng(struct GB* gb, uint16_t address, uint8_t value);
 static void _GBSachen(struct GB* gb, uint16_t address, uint8_t value);
 
 static uint8_t _GBMBC2Read(struct GBMemory*, uint16_t address);
@@ -164,7 +165,7 @@ static struct {
 	{"NTO1", GB_UNL_NT_OLD_1},
 	{"NTO2", GB_UNL_NT_OLD_2},
 	{"NTN", GB_UNL_NT_NEW},
-	{"LICH", GB_MBC_AUTODETECT}, // TODO
+	{"LICH", GB_UNL_LI_CHENG},
 	{"LBMC", GB_MBC_AUTODETECT}, // TODO
 	{"LIBA", GB_MBC_AUTODETECT}, // TODO
 	{"PKJD", GB_UNL_PKJD},
@@ -257,6 +258,13 @@ static enum GBMemoryBankControllerType _detectUnlMBC(const uint8_t* mem, size_t
 		if (mem[0x7FFF] != 0x01) { // Make sure we're not using a "fixed" version
 			return GB_UNL_BBD;
 		}
+		break;
+	case 0x20d092e2:
+	case 0xd2b57657:
+		if (cart->type == 0x01) { // Make sure we're not using a "fixed" version
+			return GB_UNL_LI_CHENG;
+		}
+		break;
 	}
 
 	if (mem[0x104] == 0xCE && mem[0x144] == 0xED && mem[0x114] == 0x66) {
@@ -513,6 +521,9 @@ void GBMBCInit(struct GB* gb) {
 		gb->memory.mbcState.bbd.bankSwapMode = 7;
 		gb->memory.mbcReadBank1 = true;
 		break;
+	case GB_UNL_LI_CHENG:
+		gb->memory.mbcWrite = _GBLiCheng;
+		break;
 	case GB_UNL_SACHEN_MMC1:
 		gb->memory.mbcWrite = _GBSachen;
 		gb->memory.mbcRead = _GBSachenMMC1Read;
@@ -2242,6 +2253,13 @@ uint8_t _GBHitekRead(struct GBMemory* memory, uint16_t address) {
 	}
 }
 
+void  _GBLiCheng(struct GB* gb, uint16_t address, uint8_t value) {
+    if (address > 0x2100 && address < 0x3000) {
+        return;
+    }
+    _GBMBC5(gb, address, value);
+}
+
 void _GBSachen(struct GB* gb, uint16_t address, uint8_t value) {
 	struct GBSachenState* state = &gb->memory.mbcState.sachen;
 	uint8_t bank = value;