diff --git a/iso/airootfs/etc/systemd/system/getty@tty1.service.d/autologin.conf b/iso/airootfs/etc/systemd/system/getty@tty1.service.d/autologin.conf
new file mode 100644
index 0000000..143e98e
--- /dev/null
+++ b/iso/airootfs/etc/systemd/system/getty@tty1.service.d/autologin.conf
@@ -0,0 +1,6 @@
+[Service]
+# Override getty to autologin the minecrarch user without password.
+# This is intentional for an appliance-style system (ADR-0006: no desktop,
+# no login screen — boot goes directly to Gamescope session).
+ExecStart=
+ExecStart=-/sbin/agetty --autologin minecrarch --noclear %I $TERM
diff --git a/iso/airootfs/etc/systemd/user/default.target.wants/gamescope-session.service b/iso/airootfs/etc/systemd/user/default.target.wants/gamescope-session.service
new file mode 120000
index 0000000..4b7fa72
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/default.target.wants/gamescope-session.service
@@ -0,0 +1 @@
+../gamescope-session.service
\ No newline at end of file
diff --git a/iso/airootfs/etc/systemd/user/gamescope-session.service b/iso/airootfs/etc/systemd/user/gamescope-session.service
new file mode 100644
index 0000000..f920a74
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/gamescope-session.service
@@ -0,0 +1,25 @@
+[Unit]
+Description=Gamescope Session (Minecrarch)
+Documentation=https://github.com/ValveSoftware/gamescope
+After=dbus.service
+Wants=dbus.service
+
+[Service]
+Type=simple
+# Gamescope runs the shell as a nested Wayland compositor.
+# --fullscreen: take ownership of the display
+# --xwayland-count 1: spawn one XWayland instance for compatibility
+# --: separator; everything after is the child process (the shell)
+ExecStart=gamescope \
+    --fullscreen \
+    --xwayland-count 1 \
+    -- \
+    /usr/bin/minecrarch-shell
+Restart=on-failure
+RestartSec=3s
+# If Gamescope crashes repeatedly, stop trying (prevents boot loop)
+StartLimitBurst=3
+StartLimitIntervalSec=60
+
+[Install]
+WantedBy=default.target
diff --git a/iso/airootfs/etc/systemd/user/minecrarch-logging.service b/iso/airootfs/etc/systemd/user/minecrarch-logging.service
new file mode 100644
index 0000000..9bc540a
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/minecrarch-logging.service
@@ -0,0 +1,19 @@
+[Unit]
+Description=Minecrarch Logging Service
+Documentation=https://github.com/Count-I/MinecrarchOS
+After=dbus.service
+Requires=dbus.service
+
+[Service]
+Type=dbus
+BusName=org.minecrarch.Logging
+ExecStart=/usr/bin/minecrarch-logging
+Restart=on-failure
+RestartSec=2s
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=minecrarch-logging
+Environment=MINECRARCH_COMPONENT=logging
+
+[Install]
+WantedBy=default.target
diff --git a/iso/airootfs/etc/systemd/user/minecrarch-modpack-manager.service b/iso/airootfs/etc/systemd/user/minecrarch-modpack-manager.service
new file mode 100644
index 0000000..71fbab9
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/minecrarch-modpack-manager.service
@@ -0,0 +1,23 @@
+[Unit]
+Description=Minecrarch Modpack Manager
+Documentation=https://github.com/Count-I/MinecrarchOS
+After=minecrarch-logging.service
+Requires=dbus.service
+After=dbus.service
+
+[Service]
+Type=dbus
+BusName=org.minecrarch.ModpackManager
+ExecStart=/usr/bin/minecrarch-modpack-manager
+Restart=on-failure
+RestartSec=2s
+# Maximum 5 restarts in 60s before giving up
+StartLimitBurst=5
+StartLimitIntervalSec=60
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=minecrarch-modpack-manager
+Environment=MINECRARCH_COMPONENT=modpack-manager
+
+[Install]
+WantedBy=default.target
diff --git a/iso/airootfs/etc/systemd/user/minecrarch-overlay.service b/iso/airootfs/etc/systemd/user/minecrarch-overlay.service
new file mode 100644
index 0000000..470493b
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/minecrarch-overlay.service
@@ -0,0 +1,19 @@
+[Unit]
+Description=Minecrarch Overlay Service
+Documentation=https://github.com/Count-I/MinecrarchOS
+After=dbus.service minecrarch-logging.service
+Requires=dbus.service
+
+[Service]
+Type=dbus
+BusName=org.minecrarch.Overlay
+ExecStart=/usr/bin/minecrarch-overlay
+Restart=on-failure
+RestartSec=2s
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=minecrarch-overlay
+Environment=MINECRARCH_COMPONENT=overlay
+
+[Install]
+WantedBy=default.target
diff --git a/iso/airootfs/etc/systemd/user/minecrarch-shell.service b/iso/airootfs/etc/systemd/user/minecrarch-shell.service
new file mode 100644
index 0000000..1ab7caa
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/minecrarch-shell.service
@@ -0,0 +1,21 @@
+[Unit]
+Description=Minecrarch Shell
+Documentation=https://github.com/Count-I/MinecrarchOS
+# Shell starts after critical services are registered on D-Bus
+After=minecrarch-logging.service minecrarch-modpack-manager.service
+Requires=minecrarch-modpack-manager.service
+# Shell is managed by Gamescope — not installed directly
+# (gamescope-session.service launches the shell as its child process)
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/minecrarch-shell
+Restart=on-failure
+RestartSec=2s
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=minecrarch-shell
+Environment=MINECRARCH_COMPONENT=shell
+
+[Install]
+WantedBy=default.target
diff --git a/iso/airootfs/etc/systemd/user/minecrarch-updater.service b/iso/airootfs/etc/systemd/user/minecrarch-updater.service
new file mode 100644
index 0000000..44918f0
--- /dev/null
+++ b/iso/airootfs/etc/systemd/user/minecrarch-updater.service
@@ -0,0 +1,19 @@
+[Unit]
+Description=Minecrarch Update Orchestrator
+Documentation=https://github.com/Count-I/MinecrarchOS
+After=dbus.service minecrarch-logging.service
+Requires=dbus.service
+
+[Service]
+Type=dbus
+BusName=org.minecrarch.Updater
+ExecStart=/usr/bin/minecrarch-updater
+Restart=on-failure
+RestartSec=5s
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=minecrarch-updater
+Environment=MINECRARCH_COMPONENT=updater
+
+[Install]
+WantedBy=default.target