diff --git a/sessions.proto b/sessions.proto
new file mode 100644
index 0000000..d3f735b
--- /dev/null
+++ b/sessions.proto
@@ -0,0 +1,67 @@
+syntax = "proto3";
+
+option go_package = "git.itzana.me/strafesnet/go-grpc/sessions";
+
+package sessions;
+
+service SessionsService {
+  rpc Create(SessionCreate) returns (SessionId);
+  rpc List(ListRequest) returns (SessionList);
+  rpc Aggregate(SessionFilter) returns (SessionAggregate);
+}
+
+message SessionIdList { repeated int64 ID = 1; }
+
+message SessionId { int64 ID = 1; }
+
+message SessionResponse {
+  int64 ID = 1;
+  uint64 UserID = 2;
+  uint64 MapID = 3;
+  int64 Date = 4;
+  uint32 Duration = 5;
+  uint32 Attempts = 6;
+  uint32 GameID = 7;
+  uint32 StyleID = 8;
+}
+
+message SessionCreate {
+  uint64 UserID = 1;
+  uint64 MapID = 2;
+  int64 Date = 3;
+  uint32 Duration = 4;
+  uint32 Attempts = 5;
+  uint32 GameID = 6;
+  uint32 StyleID = 7;
+}
+
+enum SessionSort {
+  SessionSortDateDescending = 0;
+}
+
+message SessionFilter {
+  optional uint64 UserID = 1;
+  optional uint64 MapID = 2;
+  optional uint32 GameID = 3;
+  optional uint32 StyleID = 4;
+}
+
+message SessionList { repeated SessionResponse Sessions = 1; }
+
+message ListRequest {
+  SessionFilter Filter = 1;
+  Pagination Page = 2;
+  Sort SessionSort = 3;
+}
+
+message Pagination {
+  uint32 Size = 1;
+  uint32 Number = 2;
+}
+
+message SessionAggregate {
+  uint64 Duration = 1;
+  uint64 Attempts = 2;
+}
+
+message NullResponse {}
diff --git a/times.proto b/times.proto
index cdab41d..10a6d85 100644
--- a/times.proto
+++ b/times.proto
@@ -28,6 +28,7 @@ message TimeRequest {
   optional int32 StyleID = 6;
   optional int32 ModeID = 7;
   optional int32 GameID = 8;
+  optional uint32 Attempt = 9;
 }
 
 message TimeFilter {
@@ -51,6 +52,9 @@ message TimeResponse {
   int32 StyleID = 7;
   int32 ModeID = 8;
   int32 GameID = 9;
+  // How many times did the player leave the start zone
+  // during their full play history of the map
+  uint32 Attempt = 10;
 }
 
 message IdMessage {
@@ -100,4 +104,4 @@ message Pagination {
 
 message NullResponse {
 
-}
\ No newline at end of file
+}