diff --git a/src/locales/en/translation.json b/src/locales/en/translation.json
index 14fba932..96f72e1b 100644
--- a/src/locales/en/translation.json
+++ b/src/locales/en/translation.json
@@ -89,6 +89,7 @@
     "amount_minutes": "{{amount}} minutes",
     "accuracy": "{{accuracy}}% accuracy",
     "add_to_library": "Add to library",
+    "already_in_library": "Already in library",
     "remove_from_library": "Remove from library",
     "no_downloads": "No downloads available",
     "play_time": "Played for {{amount}}",
diff --git a/src/locales/pt-BR/translation.json b/src/locales/pt-BR/translation.json
index 1f6adcd0..22f5b533 100644
--- a/src/locales/pt-BR/translation.json
+++ b/src/locales/pt-BR/translation.json
@@ -76,6 +76,7 @@
     "amount_minutes": "{{amount}} minutos",
     "accuracy": "{{accuracy}}% de precisão",
     "add_to_library": "Adicionar à biblioteca",
+    "already_in_library": "Já está na biblioteca",
     "remove_from_library": "Remover da biblioteca",
     "no_downloads": "Nenhum download disponível",
     "play_time": "Jogou por {{amount}}",
diff --git a/src/renderer/src/pages/catalogue/game-item.scss b/src/renderer/src/pages/catalogue/game-item.scss
index f49bcbf8..ec20b4a5 100644
--- a/src/renderer/src/pages/catalogue/game-item.scss
+++ b/src/renderer/src/pages/catalogue/game-item.scss
@@ -16,6 +16,25 @@
 
   &:hover {
     background-color: rgba(255, 255, 255, 0.05);
+
+    .game-item__plus-wrapper {
+      opacity: 1;
+      pointer-events: auto;
+    }
+  }
+
+  &__plus-wrapper {
+    position: absolute;
+    top: 8px;
+    right: 8px;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.2s ease-in-out;
+    cursor: pointer;
+  }
+
+  &__plus-wrapper--added {
+    opacity: 0.5;
   }
 
   &__cover {
diff --git a/src/renderer/src/pages/catalogue/game-item.tsx b/src/renderer/src/pages/catalogue/game-item.tsx
index 39f5e6eb..63748710 100644
--- a/src/renderer/src/pages/catalogue/game-item.tsx
+++ b/src/renderer/src/pages/catalogue/game-item.tsx
@@ -1,13 +1,14 @@
 import { Badge } from "@renderer/components";
 import { buildGameDetailsPath } from "@renderer/helpers";
-import { useAppSelector, useRepacks } from "@renderer/hooks";
-import { useMemo } from "react";
+import { useAppSelector, useRepacks, useLibrary } from "@renderer/hooks";
+import { useMemo, useState, useEffect } from "react";
 import { useNavigate } from "react-router-dom";
 
 import "./game-item.scss";
 import { useTranslation } from "react-i18next";
 import { CatalogueSearchResult } from "@types";
-import { QuestionIcon } from "@primer/octicons-react";
+import { QuestionIcon, PlusIcon, CheckIcon } from "@primer/octicons-react";
+import cn from "classnames";
 
 export interface GameItemProps {
   game: CatalogueSearchResult;
@@ -16,7 +17,9 @@ export interface GameItemProps {
 export function GameItem({ game }: GameItemProps) {
   const navigate = useNavigate();
 
-  const { i18n } = useTranslation();
+  const { i18n, t } = useTranslation("game_details");
+
+  const language = i18n.language.split("-")[0];
 
   const { steamGenres } = useAppSelector((state) => state.catalogueSearch);
 
@@ -24,7 +27,39 @@ export function GameItem({ game }: GameItemProps) {
 
   const repacks = getRepacksForObjectId(game.objectId);
 
-  const language = i18n.language.split("-")[0];
+  const [isAddingToLibrary, setIsAddingToLibrary] = useState(false);
+
+  const [added, setAdded] = useState(false);
+
+  const { library, updateLibrary } = useLibrary();
+
+  useEffect(() => {
+    const exists = library.some(
+      (libItem) =>
+        libItem.shop === game.shop && libItem.objectId === game.objectId
+    );
+    setAdded(exists);
+  }, [library, game.shop, game.objectId]);
+
+  const addGameToLibrary = async (event: React.MouseEvent | React.KeyboardEvent) => {
+    event.stopPropagation();
+    if (added || isAddingToLibrary) return;
+
+    setIsAddingToLibrary(true);
+
+    try {
+      await window.electron.addGameToLibrary(
+        game.shop,
+        game.objectId,
+        game.title
+      );
+      updateLibrary();
+    } catch (error) {
+      console.error(error);
+    } finally {
+      setIsAddingToLibrary(false);
+    }
+  };
 
   const uniqueRepackers = useMemo(() => {
     return Array.from(new Set(repacks.map((repack) => repack.repacker)));
@@ -85,6 +120,23 @@ export function GameItem({ game }: GameItemProps) {
           ))}
         </div>
       </div>
+      <div
+        className={cn("game-item__plus-wrapper", {
+          "game-item__plus-wrapper--added": added,
+        })}
+        role="button"
+        tabIndex={0}
+        onClick={addGameToLibrary}
+        onKeyDown={(e) => {
+          if (e.key === "Enter" || e.key === " ") {
+            e.preventDefault();
+            addGameToLibrary(e);
+          }
+        }}
+        title={added ? t("already_in_library") : t("add_to_library")}
+      >
+        {added ? <CheckIcon size={16} /> : <PlusIcon size={16} />}
+      </div>
     </button>
   );
 }