diff --git a/src/ResearchTree/NodeIDs.h b/src/ResearchTree/NodeIDs.h
index 551f5c7..80490d9 100644
--- a/src/ResearchTree/NodeIDs.h
+++ b/src/ResearchTree/NodeIDs.h
@@ -86,6 +86,71 @@ enum EngineIDs: Int {
 enum OSIDs: Int {
     // Tier 1
     NeuralOS = 300010,
+    ExoSkelOS,
+    Shields1,
+    Enhancements1,
+    FuelSave1,
+    LongRange1,
+
+    // Tier 2
+    SparkOS,
+    ImprovedNeuralOS,
+    EnhancedSkeletonOS,
+    ExtendedArtsLibrary,
+    SustainableShield1,
+    Shields2,
+    SustainableRecharger1,
+    Enhancements2,
+    FuelSave2,
+    LongRange2,
+    EmpoweredArtsLibrary,
+
+    //Tier 3
+    BlazeOS,
+    NeurolinkOS,
+    PoweredGuardianOS,
+    SustainableShields2,
+    Shields3,
+    SustainableRecharger2,
+    Enhancements3,
+    FuelSave3,
+    LongRange3,
+
+    // Tier 4
+    IgnitionOS,
+    AlteredFuelOS,
+    MindlinkOS,
+    FramelinkOS,
+    SlayerOS,
+    SustainableShields3,
+    Shields4,
+    SustainableRecharger3,
+    Enhancements4,
+    FuelSave4,
+    LongRange4,
+    CellburnOS,
+    StorageShielder1,
+    Realignment1,
+    AlphaAssault1,
+    BetaAssault1,
+
+    // Tier 5
+    BrightburnOS,
+    OmniaOS,
+    FullConnectOS,
+    FullDiveOS,
+    SpartoiOS,
+    SustainableShields4,
+    Shields5,
+    SustainableRecharger5,
+    Enhancements5,
+    FuelSave5,
+    LongRange5,
+    FirestormOS,
+    StorageShielder2,
+    Realignment2,
+    AlphaAssault2,
+    BetaAssault2,
 };
 
 enum ArchIDs: Int {