diff --git a/markdown/bitburner.singularity.getunlockedachievements.md b/markdown/bitburner.singularity.getunlockedachievements.md
new file mode 100644
index 000000000..c4f16858a
--- /dev/null
+++ b/markdown/bitburner.singularity.getunlockedachievements.md
@@ -0,0 +1,23 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [Singularity](./bitburner.singularity.md) &gt; [getUnlockedAchievements](./bitburner.singularity.getunlockedachievements.md)
+
+## Singularity.getUnlockedAchievements() method
+
+Get a list of all unlocked achievements.
+
+**Signature:**
+
+```typescript
+getUnlockedAchievements(): string[];
+```
+**Returns:**
+
+string\[\]
+
+- A list containing all of the IDs of achievements that the player has unlocked.
+
+## Remarks
+
+Ram cost: 5 GB \* 16/4/1
+
diff --git a/markdown/bitburner.singularity.md b/markdown/bitburner.singularity.md
index 096f48907..301809b6f 100644
--- a/markdown/bitburner.singularity.md
+++ b/markdown/bitburner.singularity.md
@@ -58,6 +58,7 @@ This API requires Source-File 4 to use. The RAM cost of all these functions is m
 |  [getOwnedAugmentations(purchased)](./bitburner.singularity.getownedaugmentations.md) | Get a list of owned augmentation. |
 |  [getOwnedSourceFiles()](./bitburner.singularity.getownedsourcefiles.md) | Get a list of acquired Source-Files. |
 |  [getSaveData()](./bitburner.singularity.getsavedata.md) | This function returns the save data. |
+|  [getUnlockedAchievements()](./bitburner.singularity.getunlockedachievements.md) | Get a list of all unlocked achievements. |
 |  [getUpgradeHomeCoresCost()](./bitburner.singularity.getupgradehomecorescost.md) | Get the price of upgrading home cores. |
 |  [getUpgradeHomeRamCost()](./bitburner.singularity.getupgradehomeramcost.md) | Get the price of upgrading home RAM. |
 |  [goToLocation(locationName)](./bitburner.singularity.gotolocation.md) | Go to a location. |
diff --git a/src/Netscript/RamCostGenerator.ts b/src/Netscript/RamCostGenerator.ts
index dd97e6126..a18dca39f 100644
--- a/src/Netscript/RamCostGenerator.ts
+++ b/src/Netscript/RamCostGenerator.ts
@@ -222,6 +222,7 @@ const singularity = {
   b1tflum3: SF4Cost(16),
   destroyW0r1dD43m0n: SF4Cost(32),
   getCurrentWork: SF4Cost(0.5),
+  getUnlockedAchievements: SF4Cost(RamCostConstants.SingularityFn3),
 } as const;
 
 const format = {
diff --git a/src/NetscriptFunctions/Singularity.ts b/src/NetscriptFunctions/Singularity.ts
index 6800840b5..9f84071cf 100644
--- a/src/NetscriptFunctions/Singularity.ts
+++ b/src/NetscriptFunctions/Singularity.ts
@@ -1186,6 +1186,10 @@ export function NetscriptSingularity(): InternalAPI<ISingularity> {
       helpers.checkSingularityAccess(ctx);
       return canGetBonus();
     },
+    getUnlockedAchievements: (ctx) => () => {
+      helpers.checkSingularityAccess(ctx);
+      return Object.values(Player.achievements).map((a) => a.ID);
+    },
   };
 
   // Removed functions
diff --git a/src/ScriptEditor/NetscriptDefinitions.d.ts b/src/ScriptEditor/NetscriptDefinitions.d.ts
index 4a6348b51..22ccf131d 100644
--- a/src/ScriptEditor/NetscriptDefinitions.d.ts
+++ b/src/ScriptEditor/NetscriptDefinitions.d.ts
@@ -2805,6 +2805,15 @@ export interface Singularity {
    * @returns - An object representing the current work. Fields depend on the kind of work.
    */
   getCurrentWork(): Task | null;
+
+  /**
+   * Get a list of all unlocked achievements.
+   * @remarks
+   * Ram cost: 5 GB * 16/4/1
+   *
+   * @returns - A list containing all of the IDs of achievements that the player has unlocked.
+   */
+  getUnlockedAchievements(): string[];
 }
 
 /**