diff --git a/assets/js/game-runner.cljs.edn b/assets/js/game-runner.cljs.edn
new file mode 100644
index 0000000..7638582
--- /dev/null
+++ b/assets/js/game-runner.cljs.edn
@@ -0,0 +1,2 @@
+{:require [zetawar.game-runner]
+ :compiler-options {:target :nodejs}}
diff --git a/build.boot b/build.boot
index 2ec3824..d12797c 100644
--- a/build.boot
+++ b/build.boot
@@ -3,7 +3,7 @@
  :resource-paths #{"assets"}
  :dependencies
  '[;; Dev
-   [adzerk/boot-cljs "1.7.228-2" :scope "test"]
+   [adzerk/boot-cljs "2.0.0" :scope "test"]
    [adzerk/boot-cljs-repl "0.3.3" :scope "test"]
    [adzerk/boot-reload "0.5.1" :scope "test"]
    [binaryage/devtools "0.9.1" :scope "test"]
@@ -134,6 +134,14 @@
         (codox :name "Zetawar" :language :clojurescript)
         (target :dir (when target-dir #{target-dir}))))
 
+(deftask build-game-runner
+  "Build Zetawar CLI game runner."
+  []
+  (comp (cljs :ids ["js/game-runner"]
+              :optimizations :simple
+              :source-map true)
+        (target)))
+
 (deftask dev
   "Run Zetawar dev environment."
   [_ reload-host    HOST str "Reload WebSocket host"
diff --git a/src/cljs/zetawar/game_runner.cljs b/src/cljs/zetawar/game_runner.cljs
new file mode 100644
index 0000000..33d2a05
--- /dev/null
+++ b/src/cljs/zetawar/game_runner.cljs
@@ -0,0 +1,11 @@
+(ns zetawar.game-runner
+  (:require
+   [cljs.nodejs :as nodejs]
+   [zetawar.game]))
+
+(nodejs/enable-util-print!)
+
+(defn -main [& args]
+  (println "Hello from the Zetawar game runner!"))
+
+(set! *main-cli-fn* -main)