diff --git a/Source/Core/DiscIO/Volume.h b/Source/Core/DiscIO/Volume.h
index 4db300c82b..60bfd137a0 100644
--- a/Source/Core/DiscIO/Volume.h
+++ b/Source/Core/DiscIO/Volume.h
@@ -62,8 +62,10 @@ public:
   virtual std::vector<Partition> GetPartitions() const { return {}; }
   virtual Partition GetGamePartition() const { return PARTITION_NONE; }
   virtual std::optional<u32> GetPartitionType(const Partition& partition) const { return {}; }
-  std::optional<u64> GetTitleID() const { return GetTitleID(GetGamePartition()); }
-  virtual std::optional<u64> GetTitleID(const Partition& partition) const { return {}; }
+  virtual std::optional<u64> GetTitleID(const Partition& partition = PARTITION_NONE) const
+  {
+    return {};
+  }
   virtual const IOS::ES::TicketReader& GetTicket(const Partition& partition) const
   {
     return INVALID_TICKET;
@@ -75,14 +77,10 @@ public:
   {
     return offset;
   }
-  std::string GetGameID() const { return GetGameID(GetGamePartition()); }
-  virtual std::string GetGameID(const Partition& partition) const = 0;
-  std::string GetMakerID() const { return GetMakerID(GetGamePartition()); }
-  virtual std::string GetMakerID(const Partition& partition) const = 0;
-  std::optional<u16> GetRevision() const { return GetRevision(GetGamePartition()); }
-  virtual std::optional<u16> GetRevision(const Partition& partition) const = 0;
-  std::string GetInternalName() const { return GetInternalName(GetGamePartition()); }
-  virtual std::string GetInternalName(const Partition& partition) const = 0;
+  virtual std::string GetGameID(const Partition& partition = PARTITION_NONE) const = 0;
+  virtual std::string GetMakerID(const Partition& partition = PARTITION_NONE) const = 0;
+  virtual std::optional<u16> GetRevision(const Partition& partition = PARTITION_NONE) const = 0;
+  virtual std::string GetInternalName(const Partition& partition = PARTITION_NONE) const = 0;
   virtual std::map<Language, std::string> GetShortNames() const { return {}; }
   virtual std::map<Language, std::string> GetLongNames() const { return {}; }
   virtual std::map<Language, std::string> GetShortMakers() const { return {}; }
@@ -92,15 +90,16 @@ public:
   std::string GetApploaderDate() const { return GetApploaderDate(GetGamePartition()); }
   virtual std::string GetApploaderDate(const Partition& partition) const = 0;
   // 0 is the first disc, 1 is the second disc
-  std::optional<u8> GetDiscNumber() const { return GetDiscNumber(GetGamePartition()); }
-  virtual std::optional<u8> GetDiscNumber(const Partition& partition) const { return 0; }
+  virtual std::optional<u8> GetDiscNumber(const Partition& partition = PARTITION_NONE) const
+  {
+    return 0;
+  }
   virtual Platform GetVolumeType() const = 0;
   virtual bool SupportsIntegrityCheck() const { return false; }
   virtual bool CheckIntegrity(const Partition& partition) const { return false; }
   // May be inaccurate for WADs
   virtual Region GetRegion() const = 0;
-  Country GetCountry() const { return GetCountry(GetGamePartition()); }
-  virtual Country GetCountry(const Partition& partition) const = 0;
+  virtual Country GetCountry(const Partition& partition = PARTITION_NONE) const = 0;
   virtual BlobType GetBlobType() const = 0;
   // Size of virtual disc (may be inaccurate depending on the blob type)
   virtual u64 GetSize() const = 0;
diff --git a/Source/Core/UICommon/GameFileCache.cpp b/Source/Core/UICommon/GameFileCache.cpp
index 82ade8e964..c1790f5b59 100644
--- a/Source/Core/UICommon/GameFileCache.cpp
+++ b/Source/Core/UICommon/GameFileCache.cpp
@@ -27,7 +27,7 @@
 
 namespace UICommon
 {
-static constexpr u32 CACHE_REVISION = 12;  // Last changed in PR 7285
+static constexpr u32 CACHE_REVISION = 13;  // Last changed in PR 7411
 
 std::vector<std::string> FindAllGamePaths(const std::vector<std::string>& directories_to_scan,
                                           bool recursive_scan)