diff --git a/i18n/locales/en_us.json b/i18n/locales/en_us.json
index 2356acb..993579e 100644
--- a/i18n/locales/en_us.json
+++ b/i18n/locales/en_us.json
@@ -308,8 +308,10 @@
           "umuLauncherId": "UMU Launcher ID",
           "umuOverride": "Override UMU Launcher Game ID",
           "umuOverrideDesc": "By default, Drop uses a non-ID when launching with UMU Launcher. In order to get the right patches for some games, you may have to manually set this field.",
-          "updateMode": "Update mode",
+          "updateMode": "Update/delta mode",
           "updateModeDesc": "When enabled, these files will be installed on top of (overwriting) the previous version's. If multiple \"update modes\" are chained together, they are applied in order.",
+          "hide": "Hide version",
+          "hideDesc": "Hide version so clients cannot install it. Useful if you are using delta versions to save space, but don't want to allow users to install partial games.",
           "version": "Select version to import"
         },
         "withoutMetadata": "Import without metadata"
diff --git a/pages/admin/library/[id]/import.vue b/pages/admin/library/[id]/import.vue
index 485a57c..11d5711 100644
--- a/pages/admin/library/[id]/import.vue
+++ b/pages/admin/library/[id]/import.vue
@@ -398,6 +398,36 @@
           />
         </Switch>
       </SwitchGroup>
+            <!-- setup mode -->
+      <SwitchGroup as="div" class="flex items-center justify-between">
+        <span class="flex flex-grow flex-col">
+          <SwitchLabel
+            as="span"
+            class="text-sm font-medium leading-6 text-zinc-100"
+            passive
+            >{{ $t("library.admin.import.version.hide") }}</SwitchLabel
+          >
+          <SwitchDescription as="span" class="text-sm text-zinc-400">{{
+            $t("library.admin.import.version.hideDesc")
+          }}</SwitchDescription>
+        </span>
+        <Switch
+          v-model="versionSettings.hide"
+          :class="[
+            versionSettings.hide ? 'bg-blue-600' : 'bg-zinc-800',
+            'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-blue-600 focus:ring-offset-2',
+          ]"
+        >
+          <span
+            aria-hidden="true"
+            :class="[
+              versionSettings.hide ? 'translate-x-5' : 'translate-x-0',
+              'pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
+            ]"
+          />
+        </Switch>
+      </SwitchGroup>
+
       <Disclosure v-slot="{ open }" as="div" class="py-2">
         <dt>
           <DisclosureButton
@@ -548,6 +578,7 @@ import {
 import { XCircleIcon } from "@heroicons/vue/16/solid";
 import { CheckIcon, ChevronUpDownIcon } from "@heroicons/vue/20/solid";
 import { ChevronDownIcon, ChevronUpIcon } from "@heroicons/vue/24/solid";
+import type { ImportVersion } from "~/server/api/v1/admin/import/version/index.post";
 
 definePageMeta({
   layout: "admin",
@@ -561,18 +592,7 @@ const versions = await $dropFetch(
   `/api/v1/admin/import/version?id=${encodeURIComponent(gameId)}`,
 );
 const currentlySelectedVersion = ref(-1);
-const versionSettings = ref<{
-  platform: PlatformClient | undefined;
-
-  onlySetup: boolean;
-  launch: string;
-  launchArgs: string;
-  setup: string;
-  setupArgs: string;
-
-  delta: boolean;
-  umuId: string;
-}>({
+const versionSettings = ref<Partial<typeof ImportVersion.infer>>({
   platform: undefined,
   launch: "",
   launchArgs: "",
@@ -581,6 +601,7 @@ const versionSettings = ref<{
   delta: false,
   onlySetup: false,
   umuId: "",
+  hide: false,
 });
 
 const versionGuesses =
diff --git a/prisma/migrations/20250819062913_add_hidden_field_to_versions/migration.sql b/prisma/migrations/20250819062913_add_hidden_field_to_versions/migration.sql
new file mode 100644
index 0000000..24df7d6
--- /dev/null
+++ b/prisma/migrations/20250819062913_add_hidden_field_to_versions/migration.sql
@@ -0,0 +1,8 @@
+-- DropIndex
+DROP INDEX "GameTag_name_idx";
+
+-- AlterTable
+ALTER TABLE "GameVersion" ADD COLUMN     "hidden" BOOLEAN NOT NULL DEFAULT false;
+
+-- CreateIndex
+CREATE INDEX "GameTag_name_idx" ON "GameTag" USING GIST ("name" gist_trgm_ops(siglen=32));
diff --git a/prisma/models/content.prisma b/prisma/models/content.prisma
index 3ab28be..7f00d68 100644
--- a/prisma/models/content.prisma
+++ b/prisma/models/content.prisma
@@ -56,12 +56,11 @@ model GameTag {
   id   String @id @default(uuid())
   name String @unique
 
-  games    Game[]
+  games Game[]
 
   @@index([name(ops: raw("gist_trgm_ops(siglen=32)"))], type: Gist)
 }
 
-
 model GameRating {
   id String @id @default(uuid())
 
@@ -95,6 +94,7 @@ model GameVersion {
   setupCommand  String   @default("") // Command to setup game (dependencies and such)
   setupArgs     String[]
   onlySetup     Boolean  @default(false)
+  hidden        Boolean  @default(false)
 
   umuIdOverride String?
 
diff --git a/server/api/v1/admin/import/version/index.post.ts b/server/api/v1/admin/import/version/index.post.ts
index ab9ad1c..fabf682 100644
--- a/server/api/v1/admin/import/version/index.post.ts
+++ b/server/api/v1/admin/import/version/index.post.ts
@@ -1,20 +1,25 @@
 import { type } from "arktype";
+import { PlatformClient } from "~/composables/types";
 import { readDropValidatedBody, throwingArktype } from "~/server/arktype";
 import aclManager from "~/server/internal/acls";
 import prisma from "~/server/internal/db/database";
 import libraryManager from "~/server/internal/library";
-import { parsePlatform } from "~/server/internal/utils/parseplatform";
 
-const ImportVersion = type({
+export const ImportVersion = type({
   id: "string",
   version: "string",
 
-  platform: "string",
+  platform: type.valueOf(PlatformClient),
+
   launch: "string = ''",
   launchArgs: "string = ''",
+
   setup: "string = ''",
   setupArgs: "string = ''",
+
   onlySetup: "boolean = false",
+  hide: "boolean = false",
+
   delta: "boolean = false",
   umuId: "string = ''",
 }).configure(throwingArktype);
@@ -34,15 +39,12 @@ export default defineEventHandler(async (h3) => {
     onlySetup,
     delta,
     umuId,
+    hide,
   } = await readDropValidatedBody(h3, ImportVersion);
 
-  const platformParsed = parsePlatform(platform);
-  if (!platformParsed)
-    throw createError({ statusCode: 400, statusMessage: "Invalid platform." });
-
   if (delta) {
     const validOverlayVersions = await prisma.gameVersion.count({
-      where: { gameId: id, platform: platformParsed, delta: false },
+      where: { gameId: id, platform, delta: false },
     });
     if (validOverlayVersions == 0)
       throw createError({
@@ -75,6 +77,7 @@ export default defineEventHandler(async (h3) => {
     launchArgs,
     setup,
     setupArgs,
+    hide,
 
     umuId,
     delta,
diff --git a/server/api/v1/client/game/version.get.ts b/server/api/v1/client/game/version.get.ts
index e9cf38e..37af994 100644
--- a/server/api/v1/client/game/version.get.ts
+++ b/server/api/v1/client/game/version.get.ts
@@ -17,6 +17,7 @@ export default defineClientEventHandler(async (h3) => {
         gameId: id,
         versionName: version,
       },
+      hidden: false,
     },
   });
 
diff --git a/server/api/v1/client/game/versions.get.ts b/server/api/v1/client/game/versions.get.ts
index fab014a..1ac4b55 100644
--- a/server/api/v1/client/game/versions.get.ts
+++ b/server/api/v1/client/game/versions.get.ts
@@ -13,6 +13,7 @@ export default defineClientEventHandler(async (h3) => {
   const versions = await prisma.gameVersion.findMany({
     where: {
       gameId: id,
+      hidden: false,
     },
     orderBy: {
       versionIndex: "desc", // Latest one first
diff --git a/server/internal/library/index.ts b/server/internal/library/index.ts
index 0a74dfe..4285e86 100644
--- a/server/internal/library/index.ts
+++ b/server/internal/library/index.ts
@@ -15,6 +15,7 @@ import { GameNotFoundError, type LibraryProvider } from "./provider";
 import { logger } from "../logging";
 import type { GameModel } from "~/prisma/client/models";
 import { createHash } from "node:crypto";
+import type { ImportVersion } from "~/server/api/v1/admin/import/version/index.post";
 
 export function createGameImportTaskId(libraryId: string, libraryPath: string) {
   return createHash("md5")
@@ -231,18 +232,7 @@ class LibraryManager {
   async importVersion(
     gameId: string,
     versionName: string,
-    metadata: {
-      platform: string;
-      onlySetup: boolean;
-
-      setup: string;
-      setupArgs: string;
-      launch: string;
-      launchArgs: string;
-      delta: boolean;
-
-      umuId: string;
-    },
+    metadata: Omit<typeof ImportVersion.infer, "id" | "version">,
   ) {
     const taskId = createVersionImportTaskId(gameId, versionName);
 
@@ -286,41 +276,24 @@ class LibraryManager {
         });
 
         // Then, create the database object
-        if (metadata.onlySetup) {
-          await prisma.gameVersion.create({
-            data: {
-              gameId: gameId,
-              versionName: versionName,
-              dropletManifest: manifest,
-              versionIndex: currentIndex,
-              delta: metadata.delta,
-              umuIdOverride: metadata.umuId,
-              platform: platform,
+        await prisma.gameVersion.create({
+          data: {
+            gameId: gameId,
+            versionName: versionName,
+            dropletManifest: manifest,
+            versionIndex: currentIndex,
+            delta: metadata.delta,
+            umuIdOverride: metadata.umuId,
+            platform: platform,
 
-              onlySetup: true,
-              setupCommand: metadata.setup,
-              setupArgs: metadata.setupArgs.split(" "),
-            },
-          });
-        } else {
-          await prisma.gameVersion.create({
-            data: {
-              gameId: gameId,
-              versionName: versionName,
-              dropletManifest: manifest,
-              versionIndex: currentIndex,
-              delta: metadata.delta,
-              umuIdOverride: metadata.umuId,
-              platform: platform,
-
-              onlySetup: false,
-              setupCommand: metadata.setup,
-              setupArgs: metadata.setupArgs.split(" "),
-              launchCommand: metadata.launch,
-              launchArgs: metadata.launchArgs.split(" "),
-            },
-          });
-        }
+            hidden: metadata.hide,
+            onlySetup: metadata.onlySetup,
+            setupCommand: metadata.setup,
+            setupArgs: metadata.setupArgs.split(" "),
+            launchCommand: metadata.launch,
+            launchArgs: metadata.launchArgs.split(" "),
+          },
+        });
 
         logger.info("Successfully created version!");