diff --git a/maps_extended.proto b/maps_extended.proto
new file mode 100644
index 0000000..a1a4d30
--- /dev/null
+++ b/maps_extended.proto
@@ -0,0 +1,70 @@
+syntax = "proto3";
+
+option go_package = "git.itzana.me/strafesnet/go-grpc/maps_extended";
+
+package maps_extended;
+
+service MapsService {
+  rpc Get(IdMessage) returns (MapResponse);
+  rpc GetList(IdList) returns (MapList);
+  rpc Update(MapRequest) returns (NullResponse);
+  rpc Create(MapRequest) returns (IdMessage);
+  rpc Delete(IdMessage) returns (NullResponse);
+  rpc List(ListRequest) returns (MapList);
+}
+
+message IdList {
+  repeated int64 ID = 1;
+}
+
+message IdMessage {
+  int64 ID = 1;
+}
+
+message MapResponse {
+  int64 ID = 1;
+  string DisplayName = 2;
+  string Creator = 3;
+  uint32 GameID = 4;
+  int64 Date = 5;
+  int64 CreatedAt = 6;
+  int64 UpdatedAt = 7;
+  uint64 Submitter = 8;
+  uint64 Thumbnail = 9;
+  uint64 AssetVersion = 10;
+  uint32 LoadCount = 11;
+  uint32 Modes = 12;
+}
+
+message MapRequest {
+  int64 ID = 1;
+  optional string DisplayName = 2;
+  optional string Creator = 3;
+  optional uint32 GameID = 4;
+  optional int64 Date = 5;
+  optional uint64 Submitter = 6;
+}
+
+message MapFilter {
+  optional string DisplayName = 2;
+  optional string Creator = 3;
+  optional uint32 GameID = 4;
+  optional uint64 Submitter = 5;
+}
+
+message MapList {
+  repeated MapResponse Maps = 1;
+}
+
+message ListRequest {
+  MapFilter Filter = 1;
+  Pagination Page = 2;
+}
+
+message Pagination {
+  uint32 Size = 1;
+  uint32 Number = 2;
+}
+
+message NullResponse {
+}