diff --git a/bundles/l4d2/README.md b/bundles/l4d2/README.md
new file mode 100644
index 0000000..21f02fe
--- /dev/null
+++ b/bundles/l4d2/README.md
@@ -0,0 +1 @@
+https://developer.valvesoftware.com/wiki/List_of_L4D2_Cvars
diff --git a/bundles/l4d2/items.py b/bundles/l4d2/items.py
new file mode 100644
index 0000000..46b11d8
--- /dev/null
+++ b/bundles/l4d2/items.py
@@ -0,0 +1,21 @@
+directories = {
+    '/etc/left4dead2': {
+        'owner': 'steam',
+        'purge': True,
+    }
+}
+
+for name, config in node.metadata.get('left4dead2').items():
+    config.pop('port')
+    config['hostname'] = name
+    
+    files[f'/etc/left4dead2/{name}.cfg'] = {
+        'content': '\n'.join(
+            f'{key} "{value}"' for key, value in config.items()
+        ),
+        'owner': 'steam',
+        'triggers': [
+            f'svc_systemd:left4dead2-server-{name}:restart',
+        ],
+    }
+    svc_systemd[f'left4dead2-server-{name}'] = {}
diff --git a/bundles/l4d2/metadata.py b/bundles/l4d2/metadata.py
index c3b4514..b9d74fa 100644
--- a/bundles/l4d2/metadata.py
+++ b/bundles/l4d2/metadata.py
@@ -1,7 +1,41 @@
-@metadata_reactor.provides()
+defaults = {
+    'steam': {
+        'games': {
+            'left4dead2': '222860',
+        },
+    },
+    'servers': {},
+}
+
+
+@metadata_reactor.provides(
+    'systemd/units',
+)
 def steam(metadata):
+    units = {}
+    services = {}
+    
+    for name, config in metadata.get('left4dead2').items():
+        units[f'left4dead2-server-{name}.service'] = {
+            'Unit': {
+                'Description': 'steam: install and update games',
+                'After': 'network.target',
+                'Requires': 'steam-update.service',
+            },
+            'Service': {
+                'User': 'steam',
+                'Group': 'steam',
+                'WorkingDirectory': '/opt/left4dead2',
+                'ExecStart': f'/opt/left4dead2/srcds_run -port {config["port"]} -secure +exec /etc/left4dead2/{name}.cfg',
+                'Restart': 'on-failure',
+            },
+            'Install': {
+                'WantedBy': ['multi-user.target'],
+            },
+        }
+
     return {
-        'steam': {
-            '222860': 'l4d2',
+        'systemd': {
+            'units': units,
         },
     }
diff --git a/bundles/steam/files/steam-update.service b/bundles/steam/files/steam-update.service
index a91acd8..b2d975d 100644
--- a/bundles/steam/files/steam-update.service
+++ b/bundles/steam/files/steam-update.service
@@ -1,4 +1,3 @@
-GNU nano 4.8                                                     /etc/systemd/system/l4d2-update.service
 [Unit]
 Description=l4d2 update
 After=network.target
diff --git a/bundles/steam/items.py b/bundles/steam/items.py
index 83a52e7..cb5bdd2 100644
--- a/bundles/steam/items.py
+++ b/bundles/steam/items.py
@@ -1,4 +1,41 @@
-for id, name in node.metadata.get('steam'):
-    pass
+users = {
+    'steam': {
+        'home': '/opt/steam',
+    },
+}
+
+directories = {
+    '/opt/steam': {
+        'owner': 'steam',
+        'group': 'steam',
+    },
+}
+
+files = {
+    '/opt/steam/steamcmd_linux.tar.gz': {
+        'content_type': 'download',
+        'source': 'https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz',
+        'owner': 'steam',
+        'group': 'steam',
+    },
+}
+
+actions = {
+    'extract_steamcmd': {
+        'command': 'tar xfvz /opt/steam/steamcmd_linux.tar.gz --directory /opt/steam',
+        'unless': 'test -f /opt/steam/steamcmd.sh',
+        'needs': [
+            'file:/opt/steam/steamcmd_linux.tar.gz',
+        ],
+    },
+    'chown_steamcmd': {
+        'command': 'chown -R steam:steam /opt/steam',
+        'triggered': True,
+        'triggered_by': [
+            'action:extract_steamcmd',
+        ],
+    },
+}
 
 # sudo -Hiu steam bash -c '~/steam/steamcmd.sh +login anonymous +force_install_dir ./l4d2/ +app_update 222860 validate +quit'
+# https://github.com/SegoCode/swd/releases/download/1.1/swd-linux-amd64
diff --git a/bundles/steam/metadata.py b/bundles/steam/metadata.py
new file mode 100644
index 0000000..6241ed3
--- /dev/null
+++ b/bundles/steam/metadata.py
@@ -0,0 +1,42 @@
+defaults = {
+    'apt': {
+        'packages': {
+            'lib32gcc-s1': {},
+        },
+    },
+    'steam': {
+        'games': {},
+    }
+}
+
+@metadata_reactor.provides(
+    'systemd/units',
+)
+def initial_unit(metadata):
+    install_games = ' '.join(
+        f'+force_install_dir /opt/{name} +app_update {id}'
+            for name, id in metadata.get('steam/games').items()
+    )
+    
+    return {
+        'systemd': {
+            'units': {
+                'steam-update.service': {
+                    'Unit': {
+                        'Description': 'steam: install and update games',
+                        'After': 'network.target',
+                    },
+                    'Service': {
+                        'Type': 'oneshot',
+                        'User': 'steam',
+                        'Group': 'steam',
+                        'WorkingDirectory': '/opt/steam',
+                        'ExecStart': f'/opt/steam/steamcmd.sh +login anonymous {install_games} validate +quit',
+                    },
+                    'Install': {
+                        'WantedBy': 'multi-user.target',
+                    },
+                },
+            },
+        },
+    }
diff --git a/bundles/systemd/metadata.py b/bundles/systemd/metadata.py
index d358342..c9f7225 100644
--- a/bundles/systemd/metadata.py
+++ b/bundles/systemd/metadata.py
@@ -48,7 +48,7 @@ def services(metadata):
         extension = name.split('.')[-1]
         
         if extension not in ['timer', 'service']:
-            raise Exception(f'unknown extension {extension}')
+            raise Exception(f'unknown extension: {extension}')
 
     return {
         'systemd': {
diff --git a/groups/os/debian.py b/groups/os/debian.py
index cb44d5d..4144520 100644
--- a/groups/os/debian.py
+++ b/groups/os/debian.py
@@ -8,7 +8,7 @@
     'metadata': {
         'apt': {
             'sources': {
-                'deb http://deb.debian.org/debian {release} main non-free contrib',
+                'deb http://deb.debian.org/debian {release} main contrib non-free',
                 'deb http://deb.debian.org/debian {release}-updates main contrib non-free',
                 'deb http://deb.debian.org/debian {release}-backports main contrib non-free',
             },
diff --git a/nodes/htz.games-2.py b/nodes/htz.games-2.py
new file mode 100644
index 0000000..fe0e2d7
--- /dev/null
+++ b/nodes/htz.games-2.py
@@ -0,0 +1,35 @@
+{
+    'hostname': '23.88.121.141',
+    'groups': [
+        'backup',
+        'debian-11',
+        'hetzner-cloud',
+    ],
+    'bundles': [
+        'steam',
+        'l4d2',
+#        'java',
+#        'minecraft',
+    ],
+    'metadata': {
+        'id': '3915f236-dd0a-4c6c-8fb3-1584c81038c6',
+        'left4dead2': {
+            'realism-expert': {
+                'port': 27001,
+            }
+        },
+        'network': {
+            'internal': {
+                'interface': 'ens10',
+                'ipv4': '10.0.10.4/32',
+            },
+            'external': {
+                'interface': 'eth0',
+                'ipv4': '23.88.121.141/32',
+                'ipv6': '2a01:4f8:c17:e0b4::2/64',
+                'gateway4': '172.31.1.1',
+                'gateway6': 'fe80::1',
+            }
+        },
+    },
+}
diff --git a/nodes/htz.games.py b/nodes/htz.games.py
index 66eb3e0..827edc9 100644
--- a/nodes/htz.games.py
+++ b/nodes/htz.games.py
@@ -9,7 +9,7 @@
 #        'steam',
 #        'l4d2',
         'java',
-        'minecraft',
+#        'minecraft',
     ],
     'metadata': {
         # TEMP