diff --git a/src/main/services/achievements/achievement-watcher-manager.ts b/src/main/services/achievements/achievement-watcher-manager.ts
index 495bafac..e4aa1b1c 100644
--- a/src/main/services/achievements/achievement-watcher-manager.ts
+++ b/src/main/services/achievements/achievement-watcher-manager.ts
@@ -3,6 +3,7 @@ import { mergeAchievements } from "./merge-achievements";
 import fs, { readdirSync } from "node:fs";
 import {
   findAchievementFileInExecutableDirectory,
+  findAchievementFileInSteamPath,
   findAchievementFiles,
   findAllAchievementFiles,
   getAlternativeObjectIds,
@@ -43,6 +44,10 @@ const watchAchievementsWindows = async () => {
       gameAchievementFiles.push(
         ...findAchievementFileInExecutableDirectory(game)
       );
+
+      gameAchievementFiles.push(
+        ...(await findAchievementFileInSteamPath(game))
+      );
     }
 
     for (const file of gameAchievementFiles) {
@@ -66,6 +71,8 @@ const watchAchievementsWithWine = async () => {
 
     gameAchievementFiles.push(...achievementFileInsideDirectory);
 
+    gameAchievementFiles.push(...(await findAchievementFileInSteamPath(game)));
+
     for (const file of gameAchievementFiles) {
       await compareFile(game, file);
     }
@@ -179,6 +186,8 @@ export class AchievementWatcherManager {
 
     gameAchievementFiles.push(...achievementFileInsideDirectory);
 
+    gameAchievementFiles.push(...(await findAchievementFileInSteamPath(game)));
+
     const unlockedAchievements: UnlockedAchievement[] = [];
 
     for (const achievementFile of gameAchievementFiles) {
@@ -259,7 +268,7 @@ export class AchievementWatcherManager {
     const gameAchievementFilesMap = findAllAchievementFiles();
 
     return Promise.all(
-      games.map((game) => {
+      games.map(async (game) => {
         const achievementFiles: AchievementFile[] = [];
 
         for (const objectId of getAlternativeObjectIds(game.objectId)) {
@@ -270,6 +279,10 @@ export class AchievementWatcherManager {
           achievementFiles.push(
             ...findAchievementFileInExecutableDirectory(game)
           );
+
+          achievementFiles.push(
+            ...(await findAchievementFileInSteamPath(game))
+          );
         }
 
         return { game, achievementFiles };
@@ -284,13 +297,15 @@ export class AchievementWatcherManager {
       .then((games) => games.filter((game) => !game.isDeleted));
 
     return Promise.all(
-      games.map((game) => {
+      games.map(async (game) => {
         const achievementFiles = findAchievementFiles(game);
         const achievementFileInsideDirectory =
           findAchievementFileInExecutableDirectory(game);
 
         achievementFiles.push(...achievementFileInsideDirectory);
 
+        achievementFiles.push(...(await findAchievementFileInSteamPath(game)));
+
         return { game, achievementFiles };
       })
     );
diff --git a/src/main/services/achievements/find-achivement-files.ts b/src/main/services/achievements/find-achivement-files.ts
index 7a531388..c6b3a6fc 100644
--- a/src/main/services/achievements/find-achivement-files.ts
+++ b/src/main/services/achievements/find-achivement-files.ts
@@ -4,6 +4,7 @@ import type { Game, AchievementFile } from "@types";
 import { Cracker } from "@shared";
 import { achievementsLogger } from "../logger";
 import { SystemPath } from "../system-path";
+import { getSteamLocation, getSteamUsersIds } from "../steam";
 
 const getAppDataPath = () => {
   if (process.platform === "win32") {
@@ -273,6 +274,37 @@ export const findAchievementFiles = (game: Game) => {
   return achievementFiles;
 };
 
+const steamUserIds = await getSteamUsersIds();
+const steamPath = await getSteamLocation();
+
+export const findAchievementFileInSteamPath = async (game: Game) => {
+  if (!steamUserIds.length) {
+    return [];
+  }
+
+  const achievementFiles: AchievementFile[] = [];
+
+  for (const steamUserId of steamUserIds) {
+    const gameAchievementPath = path.join(
+      steamPath,
+      "userdata",
+      steamUserId.toString(),
+      "config",
+      "librarycache",
+      `${game.objectId}.json`
+    );
+
+    if (fs.existsSync(gameAchievementPath)) {
+      achievementFiles.push({
+        type: Cracker.Steam,
+        filePath: gameAchievementPath,
+      });
+    }
+  }
+
+  return achievementFiles;
+};
+
 export const findAchievementFileInExecutableDirectory = (
   game: Game
 ): AchievementFile[] => {
diff --git a/src/main/services/achievements/get-game-achievement-data.ts b/src/main/services/achievements/get-game-achievement-data.ts
index e2b663d8..214735c2 100644
--- a/src/main/services/achievements/get-game-achievement-data.ts
+++ b/src/main/services/achievements/get-game-achievement-data.ts
@@ -19,6 +19,32 @@ const getModifiedSinceHeader = (
     : undefined;
 };
 
+const getModifiedSinceHeader = async (
+  cachedAchievements: GameAchievement | undefined
+): Promise<Date | undefined> => {
+  const hasActiveSubscription = await db
+    .get<string, User>(levelKeys.user, { valueEncoding: "json" })
+    .then((user) => {
+      const expiresAt = new Date(user?.subscription?.expiresAt ?? 0);
+      return expiresAt > new Date();
+    });
+
+  if (!cachedAchievements) {
+    return undefined;
+  }
+
+  const hasAchievementsPoints =
+    cachedAchievements.achievements[0].points != undefined;
+
+  if (hasActiveSubscription !== hasAchievementsPoints) {
+    return undefined;
+  }
+
+  return cachedAchievements.updatedAt
+    ? new Date(cachedAchievements.updatedAt)
+    : undefined;
+};
+
 export const getGameAchievementData = async (
   objectId: string,
   shop: GameShop,
diff --git a/src/main/services/achievements/parse-achievement-file.ts b/src/main/services/achievements/parse-achievement-file.ts
index 726d8d0f..44827782 100644
--- a/src/main/services/achievements/parse-achievement-file.ts
+++ b/src/main/services/achievements/parse-achievement-file.ts
@@ -75,6 +75,11 @@ export const parseAchievementFile = (
       return processRazor1911(filePath);
     }
 
+    if (type === Cracker.Steam) {
+      const parsed = jsonParse(filePath);
+      return processSteamCacheAchievement(parsed);
+    }
+
     achievementsLogger.log(
       `Unprocessed ${type} achievements found on ${filePath}`
     );
@@ -234,6 +239,35 @@ const processGoldberg = (unlockedAchievements: any): UnlockedAchievement[] => {
   return newUnlockedAchievements;
 };
 
+const processSteamCacheAchievement = (
+  unlockedAchievements: any[]
+): UnlockedAchievement[] => {
+  const newUnlockedAchievements: UnlockedAchievement[] = [];
+
+  const achievementIndex = unlockedAchievements.findIndex(
+    (element) => element[0] === "achievements"
+  );
+
+  if (achievementIndex === -1) {
+    achievementsLogger.info("No achievements found in Steam cache file");
+    return [];
+  }
+
+  const unlockedAchievementsData =
+    unlockedAchievements[achievementIndex][1]["data"]["vecHighlight"];
+
+  for (const achievement of unlockedAchievementsData) {
+    if (achievement.bAchieved) {
+      newUnlockedAchievements.push({
+        name: achievement.strID,
+        unlockTime: achievement.rtUnlocked * 1000,
+      });
+    }
+  }
+
+  return newUnlockedAchievements;
+};
+
 const process3DM = (unlockedAchievements: any): UnlockedAchievement[] => {
   const newUnlockedAchievements: UnlockedAchievement[] = [];
 
diff --git a/src/shared/constants.ts b/src/shared/constants.ts
index 448b7eec..851aec49 100644
--- a/src/shared/constants.ts
+++ b/src/shared/constants.ts
@@ -35,6 +35,7 @@ export enum Cracker {
   onlineFix = "OnlineFix",
   goldberg = "Goldberg",
   userstats = "user_stats",
+  Steam = "Steam",
   rld = "RLD!",
   empress = "EMPRESS",
   skidrow = "SKIDROW",