diff --git a/modules/applications/minecraft/home.nix b/modules/applications/minecraft/home.nix
deleted file mode 100644
index defe6fe..0000000
--- a/modules/applications/minecraft/home.nix
+++ /dev/null
@@ -1,4 +0,0 @@
-{ lib, pkgs, ... }:
-lib.mkIf pkgs.stdenv.hostPlatform.isLinux {
-  home.packages = [ pkgs.prismlauncher ];
-}
diff --git a/modules/applications/minecraft/home/common.nix b/modules/applications/minecraft/home/common.nix
new file mode 100644
index 0000000..5413c74
--- /dev/null
+++ b/modules/applications/minecraft/home/common.nix
@@ -0,0 +1,42 @@
+_: {
+  programs.prismlauncher = {
+    enable = true;
+
+    package = null;
+
+    settings = {
+      UseSystemLocale = true;
+
+      # Minecraftのバージョンに応じてJavaを切り替える。
+      AutomaticJavaSwitch = true;
+
+      IgnoreJavaCompatibility = false;
+
+      # 軽量～中規模構成のグローバル既定値。
+      MinMemAlloc = 512;
+      MaxMemAlloc = 4096;
+      LowMemWarning = true;
+
+      # 通常はコンソールを隠し、異常時だけ表示する。
+      ShowConsole = false;
+      ShowConsoleOnError = true;
+      LogPrePostOutput = true;
+      ConsoleMaxLines = 100000;
+      ConsoleOverflowStop = true;
+
+      # Mod管理。
+      ModMetadataDisabled = false;
+      ModDependenciesDisabled = false;
+      SkipModpackUpdatePrompt = false;
+      ShowModIncompat = true;
+      DownloadGameFilesDuringInstanceCreation = true;
+
+      # プレイ時間。
+      RecordGameTime = true;
+      ShowGameTime = true;
+      ShowGlobalGameTime = true;
+
+      MetaRefreshOnLaunch = true;
+    };
+  };
+}
diff --git a/modules/applications/minecraft/home/darwin.nix b/modules/applications/minecraft/home/darwin.nix
new file mode 100644
index 0000000..7d93a51
--- /dev/null
+++ b/modules/applications/minecraft/home/darwin.nix
@@ -0,0 +1,5 @@
+_: {
+  programs.prismlauncher.settings = {
+    AutomaticJavaDownload = true;
+  };
+}
diff --git a/modules/applications/minecraft/home/nixos.nix b/modules/applications/minecraft/home/nixos.nix
new file mode 100644
index 0000000..1b8f6f9
--- /dev/null
+++ b/modules/applications/minecraft/home/nixos.nix
@@ -0,0 +1,8 @@
+{ pkgs, ... }:
+{
+  home.packages = [ pkgs.prismlauncher ];
+
+  programs.prismlauncher.settings = {
+    EnableFeralGamemode = true;
+  };
+}