diff --git a/frontend/src/components/Details/ActionBar.vue b/frontend/src/components/Details/ActionBar.vue
index 0d3d83e3e..9d201820e 100644
--- a/frontend/src/components/Details/ActionBar.vue
+++ b/frontend/src/components/Details/ActionBar.vue
@@ -10,7 +10,7 @@ import storeAuth from "@/stores/auth";
 import storeDownload from "@/stores/download";
 import type { DetailedRom } from "@/stores/roms";
 import type { Events } from "@/types/emitter";
-import { getDownloadLink, is3DSCIARom } from "@/utils";
+import { getDownloadLink, isNintendoDSRom } from "@/utils";
 
 const props = defineProps<{ rom: DetailedRom }>();
 const downloadStore = storeDownload();
@@ -19,8 +19,8 @@ const qrCodeIcon = ref("mdi-qrcode");
 const auth = storeAuth();
 const { t } = useI18n();
 
-const is3DSRom = computed(() => {
-  return is3DSCIARom(props.rom);
+const isNDSRom = computed(() => {
+  return isNintendoDSRom(props.rom);
 });
 
 async function copyDownloadLink(rom: DetailedRom) {
@@ -84,7 +84,7 @@ async function copyDownloadLink(rom: DetailedRom) {
       </v-btn>
       <PlayBtn :rom="rom" class="flex-grow-1" />
       <v-btn
-        v-if="is3DSRom"
+        v-if="isNDSRom"
         :disabled="rom.missing_from_fs"
         class="flex-grow-1"
         :aria-label="`Show ${rom.name} QR code`"
diff --git a/frontend/src/components/common/Game/Card/ActionBar.vue b/frontend/src/components/common/Game/Card/ActionBar.vue
index 60ce65509..2cb555762 100644
--- a/frontend/src/components/common/Game/Card/ActionBar.vue
+++ b/frontend/src/components/common/Game/Card/ActionBar.vue
@@ -12,7 +12,7 @@ import storeHeartbeat from "@/stores/heartbeat";
 import type { SimpleRom } from "@/stores/roms";
 import type { Events } from "@/types/emitter";
 import {
-  is3DSCIARom,
+  isNintendoDSRom,
   isEJSEmulationSupported,
   isRuffleEmulationSupported,
 } from "@/utils";
@@ -30,8 +30,8 @@ const computedSize = computed(() => {
   return props.sizeActionBar === 1 ? "small" : "x-small";
 });
 
-const is3DSRom = computed(() => {
-  return is3DSCIARom(props.rom);
+const isNDSRom = computed(() => {
+  return isNintendoDSRom(props.rom);
 });
 
 const isEmulationSupported = computed(() => {
@@ -81,7 +81,7 @@ watch(menuOpen, (val) => {
         @click.prevent
       />
     </v-col>
-    <v-col v-if="is3DSRom" class="d-flex">
+    <v-col v-if="isNDSRom" class="d-flex">
       <v-btn
         :disabled="rom.missing_from_fs"
         class="action-bar-btn-small flex-grow-1"
diff --git a/frontend/src/components/common/Game/Dialog/ShowQRCode.vue b/frontend/src/components/common/Game/Dialog/ShowQRCode.vue
index 528d7f25d..59ebf7353 100644
--- a/frontend/src/components/common/Game/Dialog/ShowQRCode.vue
+++ b/frontend/src/components/common/Game/Dialog/ShowQRCode.vue
@@ -6,7 +6,7 @@ import { useDisplay } from "vuetify";
 import RDialog from "@/components/common/RDialog.vue";
 import type { SimpleRom } from "@/stores/roms";
 import type { Events } from "@/types/emitter";
-import { get3DSCIAFiles, getDownloadLink, is3DSCIAFile } from "@/utils";
+import { getNintendoDSFiles, getDownloadLink, isNintendoDSFile } from "@/utils";
 
 const { lgAndUp } = useDisplay();
 const show = ref(false);
@@ -19,12 +19,12 @@ emitter?.on("showQRCodeDialog", async (romToView: SimpleRom) => {
 
   await nextTick();
 
-  const is3DSFile = is3DSCIAFile(romToView);
-  const matchingFiles = get3DSCIAFiles(romToView);
+  const isNDSFile = isNintendoDSFile(romToView);
+  const matchingFiles = getNintendoDSFiles(romToView);
 
   const downloadLink = getDownloadLink({
     rom: romToView,
-    fileIDs: is3DSFile ? [] : [matchingFiles[0].id],
+    fileIDs: isNDSFile ? [] : [matchingFiles[0].id],
   });
 
   const qrCode = document.getElementById("qr-code");
diff --git a/frontend/src/utils/index.ts b/frontend/src/utils/index.ts
index 68d057c1c..a66142be7 100644
--- a/frontend/src/utils/index.ts
+++ b/frontend/src/utils/index.ts
@@ -668,26 +668,37 @@ export function getStatusKeyForText(text: string | null) {
   return inverseRomStatusMap[text];
 }
 
-export function is3DSCIAFile(rom: SimpleRom): boolean {
-  return rom.fs_extension.toLowerCase() == "cia";
+export function isNintendoDSFile(rom: SimpleRom): boolean {
+  return ["cia", "nds", "3ds", "dsi"].includes(rom.fs_extension.toLowerCase());
 }
 
-export function get3DSCIAFiles(rom: SimpleRom): RomFileSchema[] {
-  return rom.files.filter((file) =>
-    file.file_name.toLowerCase().endsWith(".cia"),
-  );
+export function getNintendoDSFiles(rom: SimpleRom): RomFileSchema[] {
+  return rom.files.filter((file) => {
+    const fileName = file.file_name.toLowerCase();
+    return (
+      fileName.endsWith(".cia") ||
+      fileName.endsWith(".nds") ||
+      fileName.endsWith(".3ds") ||
+      fileName.endsWith(".dsi")
+    );
+  });
 }
 
 /**
- * Check if a ROM is a valid 3DS game
+ * Check if a ROM is a valid NDS/3DS/DSi game
  * @param rom The ROM object.
- * @returns True if the ROM is a valid 3DS game, false otherwise.
+ * @returns {boolean} True if the ROM is a valid game, otherwise false.
  */
-export function is3DSCIARom(rom: SimpleRom): boolean {
-  if (rom.platform_slug !== "3ds") return false;
+export function isNintendoDSRom(rom: SimpleRom): boolean {
+  if (
+    !["3ds", "nds", "new-nintendo-3ds", "nintendo-dsi"].includes(
+      rom.platform_slug,
+    )
+  )
+    return false;
 
-  const hasValidExtension = is3DSCIAFile(rom);
-  const hasValidFile = get3DSCIAFiles(rom).length > 0;
+  const hasValidExtension = isNintendoDSFile(rom);
+  const hasValidFile = getNintendoDSFiles(rom).length > 0;
 
   return hasValidExtension || hasValidFile;
 }