diff --git a/src/controllers/api/nemesisController.ts b/src/controllers/api/nemesisController.ts
index 435f6791..3b56d85b 100644
--- a/src/controllers/api/nemesisController.ts
+++ b/src/controllers/api/nemesisController.ts
@@ -7,6 +7,7 @@ import {
     getNemesisManifest,
     getNemesisPasscode,
     getNemesisPasscodeModTypes,
+    GUESS_WILDCARD,
     IKnifeResponse
 } from "@/src/helpers/nemesisHelpers";
 import { getJSONfromString } from "@/src/helpers/stringHelpers";
@@ -82,7 +83,7 @@ export const nemesisController: RequestHandler = async (req, res) => {
             }
         } else {
             for (let i = 0; i != 3; ++i) {
-                if (body.guess[i] == passcode[i]) {
+                if (body.guess[i] == passcode[i] || body.guess[i] == GUESS_WILDCARD) {
                     ++guessResult;
                 }
             }
@@ -151,7 +152,7 @@ export const nemesisController: RequestHandler = async (req, res) => {
         } else {
             const passcode = getNemesisPasscode(inventory.Nemesis!);
             let RankIncrease: number | undefined;
-            if (passcode[body.position] != body.guess) {
+            if (body.guess != GUESS_WILDCARD && passcode[body.position] != body.guess) {
                 const manifest = getNemesisManifest(inventory.Nemesis!.manifest);
                 if (inventory.Nemesis!.Rank + 1 < manifest.systemIndexes.length) {
                     inventory.Nemesis!.Rank += 1;
diff --git a/src/helpers/nemesisHelpers.ts b/src/helpers/nemesisHelpers.ts
index 9d6a7a2b..0c2eebbe 100644
--- a/src/helpers/nemesisHelpers.ts
+++ b/src/helpers/nemesisHelpers.ts
@@ -266,6 +266,9 @@ export const getNemesisPasscodeModTypes = (nemesis: { fp: bigint; Faction: TNeme
         : passcode.map(i => reqiuemMods[i]);
 };
 
+export const GUESS_NONE = 8;
+export const GUESS_WILDCARD = 9;
+
 export const encodeNemesisGuess = (
     symbol1: number,
     result1: number,