diff --git a/public/game.js b/public/game.js
index 9309b69..d9f564f 100644
--- a/public/game.js
+++ b/public/game.js
@@ -12,14 +12,6 @@ import fireworksController from './Fireworks.js'
 import Protocol from '../common/Protocol.js'
 import Time from '../common/Time.js'
 
-if (typeof GAME_ID === 'undefined') throw '[ GAME_ID not set ]'
-if (typeof WS_ADDRESS === 'undefined') throw '[ WS_ADDRESS not set ]'
-if (typeof MODE === 'undefined') throw '[ MODE not set ]'
-
-if (typeof DEBUG === 'undefined') window.DEBUG = false
-
-const TARGET_EL = document.getElementById('app')
-
 const MODE_PLAY = 'play'
 const MODE_REPLAY = 'replay'
 
@@ -35,7 +27,7 @@ const shouldDrawPiece = (piece) => {
 
 let RERENDER = true
 
-function addCanvasToDom(canvas) {
+function addCanvasToDom(TARGET_EL, canvas) {
   canvas.width = window.innerWidth
   canvas.height = window.innerHeight
   TARGET_EL.appendChild(canvas)
@@ -47,7 +39,7 @@ function addCanvasToDom(canvas) {
   return canvas
 }
 
-function addMenuToDom(previewImageUrl, setHotkeys) {
+function addMenuToDom(TARGET_EL, previewImageUrl, setHotkeys) {
   const ELEMENTS = {}
   const h = (type, props, children) => {
     if (typeof props === 'string' || typeof props === 'number') {
@@ -367,7 +359,13 @@ function EventAdapter (canvas, window, viewport) {
   }
 }
 
-async function main() {
+async function main(TARGET_EL) {
+  if (typeof GAME_ID === 'undefined') throw '[ GAME_ID not set ]'
+  if (typeof WS_ADDRESS === 'undefined') throw '[ WS_ADDRESS not set ]'
+  if (typeof MODE === 'undefined') throw '[ MODE not set ]'
+
+  if (typeof DEBUG === 'undefined') window.DEBUG = false
+
   const gameId = GAME_ID
   const CLIENT_ID = initme()
   const shouldDrawPlayerText = (player) => {
@@ -397,7 +395,7 @@ async function main() {
   }
 
   // Create a canvas and attach adapters to it so we can work with it
-  const canvas = addCanvasToDom(Graphics.createCanvas())
+  const canvas = addCanvasToDom(TARGET_EL, Graphics.createCanvas())
 
   // stuff only available in replay mode...
   // TODO: refactor
@@ -479,7 +477,7 @@ async function main() {
     udateTilesDone,
     togglePreview,
     replayControl,
-  } = addMenuToDom(Game.getImageUrl(gameId), evts.setHotkeys)
+  } = addMenuToDom(TARGET_EL, Game.getImageUrl(gameId), evts.setHotkeys)
 
   const updateTimerElements = () => {
     updateTimer(Game.getStartTs(gameId), Game.getFinishTs(gameId), TIME())
@@ -840,4 +838,4 @@ async function main() {
   })
 }
 
-main()
+export default main
diff --git a/public/views/Game.vue.js b/public/views/Game.vue.js
index 555fb9d..10fcf11 100644
--- a/public/views/Game.vue.js
+++ b/public/views/Game.vue.js
@@ -1,5 +1,7 @@
 "use strict"
 
+import main from './../game.js'
+
 export default {
   name: 'game',
   template: `<div>{{gameData}}</div>`,
@@ -21,6 +23,11 @@ export default {
       const res = await fetch(`/api/game-data/${this.$route.params.id}`)
       const json = await res.json()
       this.gameData = json
+
+      window.GAME_ID = this.gameData.GAME_ID
+      window.WS_ADDRESS = this.gameData.WS_ADDRESS
+      window.MODE = 'play'
+      main(this.$el)
     },
   },
 }
diff --git a/public/views/Replay.vue.js b/public/views/Replay.vue.js
index 0c3c8bb..62d1112 100644
--- a/public/views/Replay.vue.js
+++ b/public/views/Replay.vue.js
@@ -1,5 +1,7 @@
 "use strict"
 
+import main from './../game.js'
+
 export default {
   name: 'replay',
   template: `<div>{{replayData}}</div>`,
@@ -21,6 +23,11 @@ export default {
       const res = await fetch(`/api/replay-data/${this.$route.params.id}`)
       const json = await res.json()
       this.replayData = json
+
+      window.GAME_ID = this.gameData.GAME_ID
+      window.WS_ADDRESS = this.gameData.WS_ADDRESS
+      window.MODE = 'replay'
+      main(this.$el)
     },
   },
 }
diff --git a/templates/game.html.twig b/templates/game.html.twig
index b4b58f7..4123a8f 100644
--- a/templates/game.html.twig
+++ b/templates/game.html.twig
@@ -15,6 +15,9 @@
   <script>window.GAME_ID = '{{GAME_ID}}'</script>
   <script>window.WS_ADDRESS = '{{WS_ADDRESS}}'</script>
   <script>window.MODE = 'play'</script>
-  <script src="/game.js" type="module"></script>
+  <script type="module">
+  import main from '/game.js'
+  main(document.getElementById('app'))
+  </script>
 </body>
 </html>
diff --git a/templates/replay.html.twig b/templates/replay.html.twig
index 1b4751b..e851fe3 100644
--- a/templates/replay.html.twig
+++ b/templates/replay.html.twig
@@ -21,6 +21,9 @@
   <script>window.GAME_ID = '{{GAME_ID}}'</script>
   <script>window.WS_ADDRESS = '{{WS_ADDRESS}}'</script>
   <script>window.MODE = 'replay'</script>
-  <script src="/game.js" type="module"></script>
+  <script type="module">
+  import main from '/game.js'
+  main(document.getElementById('app'))
+  </script>
 </body>
 </html>