diff --git a/applications/games/minecraft.nix b/applications/games/minecraft.nix
index 37f65df..b4d9c2f 100644
--- a/applications/games/minecraft.nix
+++ b/applications/games/minecraft.nix
@@ -9,17 +9,24 @@
     ];
   };
 
-  networking.firewall.allowedTCPPorts = [ 25565 ];
+  networking.firewall.allowedTCPPorts = [
+    # for the proxy
+    25565
+
+    # the servers
+    20000
+
+    20001
+  ];
 
   # arion is one way to use docker on nixos
+  # see https://gitlab.com/c2842/computer_society/nixos/-/blob/733b867f4782afa795848135a83e97a5cafaf16a/applications/games/minecraft.nix
+  # for an example of a single compose file with multiple services
   virtualisation.arion = {
     backend = "docker";
     projects = {
 
-      # this is basically one single docker-compose file
-      minecraft.settings = {
-        docker-compose.raw.networks.default.name = "minecraft";
-
+      minecraft_proxy.settings = {
         services = {
           mc_proxy = {
             service = {
@@ -38,8 +45,12 @@
               ];
             };
           };
+        };
+      };
 
-          mc_compsoc = {
+      minecraft_compsoc_classic.settings = {
+        services = {
+          compsoc_classic = {
             service = {
               image = "nimmis/spigot:latest";
                 # setting these here as they arent special
@@ -51,10 +62,19 @@
 
                 # where the config files are stored
                 volumes = [  "/etc/games/minecraft/compsoc/test/config:/minecraft" ];
+
+                ports = [
+                  "20000:25565/tcp"
+                ];
             };
           };
 
-          mc_compsoc2 = {
+        };
+      };
+
+      minecraft_compsoc_test.settings = {
+        services = {
+          compsoc_test = {
             service = {
               image = "nimmis/spigot:latest";
               environment = {
@@ -65,6 +85,10 @@
 
               # where the config files are stored
               volumes = [ "/etc/games/minecraft/compsoc/test2/config:/minecraft" ];
+
+              ports = [
+                "20001:25565/tcp"
+              ];
             };
 
           };