diff --git a/doc/source/netscript/netscriptsingularityfunctions.rst b/doc/source/netscript/netscriptsingularityfunctions.rst
index e9b3e5f28..6e44ab72e 100644
--- a/doc/source/netscript/netscriptsingularityfunctions.rst
+++ b/doc/source/netscript/netscriptsingularityfunctions.rst
@@ -556,6 +556,20 @@ getAugmentationsFromFaction
 
     Returns an array containing the names (as strings) of all Augmentations that are available from the specified faction.
 
+getAugmentationPrereq
+---------------------
+
+.. js:function:: getAugmentationPrereq(augName)
+
+    :param string augName: Name of Augmentation. CASE-SENSITIVE
+
+    If you are not in BitNode-4, then you must have Level 3 of Source-File 4 in order to use this function.
+
+    This function returns an array with the names of the prerequisite Augmentation(s) for the specified Augmentation.
+    If there are no prerequisites, a blank array is returned.
+
+    If an invalid Augmentation name is passed in for the *augName* argument, this function will return a blank array.
+
 getAugmentationCost
 -------------------
 
diff --git a/netscript.js b/netscript.js
index e57a7a0be..5aa197399 100644
--- a/netscript.js
+++ b/netscript.js
@@ -89,7 +89,7 @@ let NetscriptFunctions =
     "donateToFaction|"                                                         +
     "createProgram|commitCrime|getCrimeChance|getOwnedAugmentations|"          +
     "getOwnedSourceFiles|getAugmentationsFromFaction|"                         +
-    "getAugmentationCost|purchaseAugmentation|"                                +
+    "getAugmentationPrereq|getAugmentationCost|purchaseAugmentation|"          +
     "installAugmentations|"                                                    +
 
     // TIX API
diff --git a/src/Constants.ts b/src/Constants.ts
index 2f0e89dcc..80c50702a 100644
--- a/src/Constants.ts
+++ b/src/Constants.ts
@@ -519,7 +519,7 @@ export let CONSTANTS: IMap<any> = {
      ** Slightly reduced the effect "Real Estate" has on the Production Multiplier for the Agriculture industry
 
      * Added getOrders() Netscript function to the TIX API
-     *
+     * Added getAugmentationPrereq() Singularity function (by havocmayhem)
      * Stock Market, Travel, and Corporation main menu links are now properly styled
      * Many pop-up/dialog boxes now support the 'Enter' and 'Esc' hotkeys. If you find a pop-up/dialog box that doesnt support this, let me know specifically which one ('Enter' for the default option, 'Esc' for cancelling and closing the pop-up box)
      * Added "brace_style = preserve_inline" configuration to Script Editor Beautifier
diff --git a/src/NetscriptFunctions.js b/src/NetscriptFunctions.js
index 6d297196b..e65c1bac5 100644
--- a/src/NetscriptFunctions.js
+++ b/src/NetscriptFunctions.js
@@ -3606,6 +3606,28 @@ function NetscriptFunctions(workerScript) {
             }
             return res;
         },
+        getAugmentationPrereq : function(name) {
+            var ramCost = CONSTANTS.ScriptSingularityFn3RamCost;
+            if (Player.bitNodeN !== 4) {ramCost *= CONSTANTS.ScriptSingularityFnRamMult;}
+            if (workerScript.checkingRam) {
+                return updateStaticRam("getAugmentationPrereq", ramCost);
+            }
+            updateDynamicRam("getAugmentationPrereq", ramCost);
+            if (Player.bitNodeN != 4) {
+                if (!(hasSingularitySF && singularitySFLvl >= 3)) {
+                    throw makeRuntimeRejectMsg(workerScript, "Cannot run getAugmentationPrereq(). It is a Singularity Function and requires SourceFile-4 (level 3) to run.");
+                    return false;
+                }
+            }
+
+            if (!augmentationExists(name)) {
+                workerScript.scriptRef.log("ERROR: getAugmentationPrereq() failed. Invalid Augmentation name passed in (note: this is case-sensitive): " + name);
+                return [];
+            }
+
+            var aug = Augmentations[name];
+            return aug.prereqs.slice();
+        },
         getAugmentationCost : function(name) {
             var ramCost = CONSTANTS.ScriptSingularityFn3RamCost;
             if (Player.bitNodeN !== 4) {ramCost *= CONSTANTS.ScriptSingularityFnRamMult;}