diff --git a/services/default.nix b/services/default.nix
index a87a956..4309535 100644
--- a/services/default.nix
+++ b/services/default.nix
@@ -5,5 +5,6 @@
     ./forgejo.nix
     ./node-exporter.nix
     ./prometheus.nix
+    ./minecraft/servers/gtnh/default.nix
   ];
 }
diff --git a/services/minecraft/servers/gtnh/configs/journeymap-world.cfg b/services/minecraft/servers/gtnh/configs/journeymap-world.cfg
new file mode 100644
index 0000000..11cd491
--- /dev/null
+++ b/services/minecraft/servers/gtnh/configs/journeymap-world.cfg
@@ -0,0 +1,13 @@
+{
+  "UseWorldID": true,
+  "SaveInWorldFolder": true,
+  "cave": {
+    "PlayerCaveMapping": true,
+    "OpCaveMapping": true
+  },
+  "radar": {
+    "PlayerRadar": true,
+    "OpRadar": true
+  },
+  "ConfigVersion": 1.11
+}
diff --git a/services/minecraft/servers/gtnh/configs/serverutilities.cfg b/services/minecraft/servers/gtnh/configs/serverutilities.cfg
new file mode 100644
index 0000000..2547e38
--- /dev/null
+++ b/services/minecraft/servers/gtnh/configs/serverutilities.cfg
@@ -0,0 +1,137 @@
+afk {
+   B:enabled=true
+   B:enabled_singleplayer=true
+   S:notification_timer=5m
+}
+
+backups {
+   B:only_backup_claimed_chunks=true
+   I:compression_level=5
+   B:delete_custom_name_backups=false
+
+   B:enable_backups=true
+   S:additional_backup_files <
+       saves/NEI/global/**
+       saves/NEI/local/$WORLDNAME/**
+   >
+   S:backup_folder_path=./backups/
+   S:backup_timer=0.5
+   I:backups_to_keep=12
+   B:display_file_size=true
+   I:max_folder_size=10
+   B:need_online_players=true
+   B:silent_backup=false
+   B:use_separate_thread=true
+}
+
+commands {
+   B:back=true
+   B:backup=true
+   B:chunks=true
+   B:dump_chunkloaders=true
+   B:dump_permissions=true
+   B:dump_stats=true
+   B:fly=true
+   B:god=false
+   B:heal=false
+   B:home=true
+   B:inv=true
+   B:kickme=false
+   B:killall=true
+   B:leaderboard=true
+   B:mute=false
+   B:nbtedit=true
+   B:nick=false
+   B:pregen=true
+   B:ranks=true
+   B:rec=false
+   B:reload=true
+   B:rtp=false
+   B:spawn=false
+   B:tpa=false
+   B:tpl=true
+   B:trash_can=true
+   B:vanish=true
+   B:warp=false
+}
+
+general {
+   B:enable_pause_when_empty_property=true
+   S:merge_offline_mode_players=TRUE
+}
+
+login {
+   B:enable_motd=false
+   S:motd <
+       "Hello player!"
+   >
+   B:enable_starting_items=false
+   S:starting_items <
+      {id:"minecraft:torch",Count:16,Damage:0,tag:{}}
+      {id:"sleepingbag:sleepingBag",Count:1,Damage:0,tag:{}}
+   >
+}
+
+ranks {
+   B:enabled=false
+   B:command_permissions=true
+   B:override_chat=true
+}
+
+tasks {
+   cleanup {
+       B:enabled=true
+       B:experience=true
+       B:hostiles=true
+       D:interval=2.0
+       B:items=true
+       B:passives=false
+       B:silent=false
+   }
+}
+
+teams {
+   B:autocreate_mp=false
+   B:autocreate_sp=true
+   B:disable_teams=false
+   B:force_team_prefix=false
+   B:grief_protection=true
+   B:hide_team_notification=false
+   B:interaction_protection=true
+}
+
+world {
+   B:chunk_claiming=true
+   B:chunk_loading=true
+   I:blocked_claiming_dimensions <
+   >
+   B:disable_player_suffocation_damage=false
+   S:disabled_right_click_items <
+   >
+   S:enable_explosions=TRUE
+   B:enable_player_sleeping_percentage=true
+   I:player_sleeping_percentage=50
+   S:enable_pvp=TRUE
+   I:spawn_dimension=0
+   I:forced_spawn_dimension_time=-1
+   I:forced_spawn_dimension_weather=-1
+   D:rtp_max_distance=100000.0
+   I:rtp_max_tries=200
+   D:rtp_min_distance=1000.0
+   B:safe_spawn=true
+   B:spawn_area_in_sp=false
+   B:show_playtime=true
+   I:spawn_radius=10
+   B:unload_erroring_chunks=true
+   logging {
+       B:block_broken=false
+       B:block_placed=false
+       B:chat_enable=false
+       B:enabled=false
+       B:entity_attacked=false
+       B:exclude_mob_entity=false
+       B:include_creative_players=false
+       B:include_fake_players=false
+       B:item_clicked_in_air=false
+   }
+}
diff --git a/services/minecraft/servers/gtnh/default.nix b/services/minecraft/servers/gtnh/default.nix
new file mode 100644
index 0000000..4737cd4
--- /dev/null
+++ b/services/minecraft/servers/gtnh/default.nix
@@ -0,0 +1,42 @@
+{ pkgs, config, ... }:
+
+let
+  cfg = config.services.minecraft-servers.servers.gtnh;
+in
+{
+  networking.firewall.allowedTCPPorts = [ cfg.serverProperties.server-port ];
+  networking.firewall.allowedUDPPorts = [ cfg.serverProperties.server-port ];
+
+  services.minecraft-servers.servers.gtnh = rec {
+    enable = true;
+    enableReload = true;
+    package = pkgs.callPackage ./gtnh.nix { };
+    jvmOpts = "-Xms6G -Xmx6G -Dfml.readTimeout=180";
+    whitelist = import ../../whitelist.nix;
+    serverProperties = {
+      "level-type" = "rwg";
+      difficulty = 3;
+      "spawn-protection" = 1;
+      "server-port" = 25565;
+      "online-mode" = true;
+      "white-list" = true;
+      motd = "GTNH on tuserver";
+      "max-tick-time" = 60000;
+      "level-seed" = "6551456123132879154";
+    };
+    files = {
+      config = "${package}/lib/config";
+      serverutilities = "${package}/lib/serverutilities";
+      "serverutilities/serverutilities.cfg" = ./configs/serverutilities.cfg;
+      "config/JourneyMapServer/world.cfg" = ./configs/journeymap-world.cfg;
+    };
+    symlinks = {
+        "mods/bungeeforge-1.7.10.jar" = pkgs.fetchurl rec {
+        pname = "bungeeforge";
+        version = "1.0.6";
+        url = "https://github.com/caunt/BungeeForge/releases/download/v${version}/bungeeforge-1.7.10.jar";
+        hash = "sha256-Y10ExD0nn1pkjhrgsSq9eiww5+n0J5skoC2EetXCVGM=";
+      };
+    };
+  };
+}
diff --git a/services/minecraft/servers/gtnh/gtnh.nix b/services/minecraft/servers/gtnh/gtnh.nix
new file mode 100644
index 0000000..3cf2a74
--- /dev/null
+++ b/services/minecraft/servers/gtnh/gtnh.nix
@@ -0,0 +1,56 @@
+{ lib, stdenvNoCC, fetchzip, jre_headless, groovy, makeWrapper, writeShellScript, pkgs, ... }:
+
+let
+  readMetaInf = /* groovy */ ''
+    import java.net.URL
+    import java.io.File
+    import java.util.jar.Attributes.Name
+
+    jarPath = args[0]
+    pathPrefix = args[1]
+    jar = new URL("jar:file:" + new File(jarPath).getAbsolutePath()+ "!/")
+    attributes =  jar.openConnection().getManifest().getMainAttributes()
+    println(attributes.get(Name.MAIN_CLASS))
+    println(attributes.get(Name.CLASS_PATH).split(' ').collect{"$pathPrefix/$it"}.join(':'))
+  '';
+in
+stdenvNoCC.mkDerivation {
+  pname = "gt-new-horizons";
+  version = "2.8.4";
+
+  src = fetchzip {
+    url = "https://downloads.gtnewhorizons.com/ServerPacks/GT_New_Horizons_2.8.4_Server_Java_17-25.zip";
+    hash = "sha256-HH/Z3T6H3cDHFuPsxKSlJELGLL4Hc/5s2DZCxU+Txhs=";
+    stripRoot = false;
+  };
+
+  nativeBuildInputs = [ makeWrapper groovy ];
+
+  preStart = writeShellScript "gtnh-prestart" ''
+    out=$1
+    for name in "config" "serverutilities" "server.properties"; do
+      if ! [[ -e "$name" ]]; then
+        echo "$name missing. Copying it from $out/lib."
+        cp -rL "$out/lib/$name" .
+        chmod +w "$name" -R
+      fi
+    done
+    if ! [[ -e "eula.txt" ]]; then
+      echo "NOTICE: by running this software, you agree to https://account.mojang.com/documents/minecraft_eula"
+      echo "eula=true" > eula.txt
+    fi
+  '';
+
+  installPhase = ''
+    mkdir $out
+    ln -s $src $out/lib
+    mainJar="$out/lib/lwjgl3ify-forgePatches.jar"
+    { read main_class; read class_path; } < <(groovy -e ${lib.escapeShellArg readMetaInf} $mainJar $out/lib)
+    class_path+="$(printf ':%s' $out/lib/mods/lwjgl3ify-*.jar)"
+    makeWrapper ${lib.getExe jre_headless} $out/bin/gt-new-horizons \
+      --run "$preStart $out" \
+      --run 'mods="$(find "$(realpath --relative-to="$PWD" '$out'/lib/mods)" -name "*.jar" | tr "\n" ",")"' \
+      --append-flags "@$out/lib/java9args.txt -cp $mainJar:$class_path $main_class nogui --mods \"\$mods\""
+  '';
+
+}
diff --git a/services/minecraft/whitelist.nix b/services/minecraft/whitelist.nix
new file mode 100644
index 0000000..d882436
--- /dev/null
+++ b/services/minecraft/whitelist.nix
@@ -0,0 +1,6 @@
+{
+  # Minimal whitelist copied from example (trimmed)
+  "1Storce1" = "3d5bafe4-dc52-4b6e-9e0e-7cb989dfa9c9";
+  Misterio7x = "3fc76c64-b1b2-4a95-b3cf-0d7d94db2d75";
+  N0SenseG4ming = "b11ffa78-1708-4725-aa71-21e601b53533";
+}