diff --git a/deps.edn b/deps.edn
index 60742be..43014bc 100644
--- a/deps.edn
+++ b/deps.edn
@@ -1,6 +1,7 @@
 {:deps
  {org.clojure/clojurescript {:mvn/version "1.11.121"}
-  thheller/shadow-cljs {:mvn/version "2.26.0"}}
+  thheller/shadow-cljs {:mvn/version "2.26.0"}
+ }
 
  :aliases
  {:main
diff --git a/package-lock.json b/package-lock.json
index 2059526..c5f750f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,9 @@
       "name": "ludus",
       "version": "1.0.0",
       "license": "ISC",
+      "dependencies": {
+        "p5": "^1.8.0"
+      },
       "devDependencies": {
         "shadow-cljs": "^2.26.0"
       }
@@ -707,6 +710,11 @@
       "integrity": "sha512-gjcpUc3clBf9+210TRaDWbf+rZZZEshZ+DlXMRCeAjp0xhTrnQsKHypIy1J3d5hKdUzj69t708EHtU8P6bUn0A==",
       "dev": true
     },
+    "node_modules/p5": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/p5/-/p5-1.8.0.tgz",
+      "integrity": "sha512-LHzRRl+aWEZVXmK+L9TDRNw5zm90wvwMdY7yTmsFkdNeXrU9n2KSZbonCTXkyGgriguovxJrDDgyhkynOxWB1A=="
+    },
     "node_modules/pako": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
diff --git a/package.json b/package.json
index 60701c5..86a99d1 100644
--- a/package.json
+++ b/package.json
@@ -15,5 +15,8 @@
   "license": "ISC",
   "devDependencies": {
     "shadow-cljs": "^2.26.0"
+  },
+  "dependencies": {
+    "p5": "^1.8.0"
   }
 }
diff --git a/shadow-cljs.edn b/shadow-cljs.edn
index 0b76c53..557d28a 100644
--- a/shadow-cljs.edn
+++ b/shadow-cljs.edn
@@ -1,6 +1,8 @@
 ;; shadow-cljs configuration
 {:deps true
 
+	:dev-http {8234 "target"}
+
  :builds
  {:node {:target :node-library
         :output-to "target/js/ludus.js"
@@ -9,5 +11,5 @@
      			:modules {:main {:entries [ludus.core]}}}
 		:browser {:target :browser
           		:output-dir "target/js"
-        				:asset-path "/assets"
-      						:modules {:main {:entries [ludus.core]}}}}}
+        				:asset-path "target"
+      						:modules {:main {:init-fn ludus.web/init}}}}}
diff --git a/src/ludus/core.cljc b/src/ludus/core.cljc
index d77f84d..83ff37b 100644
--- a/src/ludus/core.cljc
+++ b/src/ludus/core.cljc
@@ -25,22 +25,4 @@
             nil
             )
           (let [interpreted (interpreter/interpret source parsed)]
-            (println (show/show interpreted))
-            interpreted))))))
-
-(defn main! []
-  (println "Ludus says, hi there...")
-  
-  #?(:clj (println "...from Clojure.")
-     :cljs (println "...from ClojureScript."))
-  
-  (run ":foo")
-  (run "add (1, 2)")
-  (run "nil")
-  (run "if true then :foo else :bar")
-  )
-
-(run ":foo")
-(run "add (1, 2)")
-(run "nil")
-(run "if true then :foo else :bar")
\ No newline at end of file
+            (show/show interpreted)))))))
\ No newline at end of file
diff --git a/src/ludus/interpreter.cljc b/src/ludus/interpreter.cljc
index 69fa87a..3a39a70 100644
--- a/src/ludus/interpreter.cljc
+++ b/src/ludus/interpreter.cljc
@@ -844,20 +844,20 @@
   #?(
      :clj clojure.lang.ExceptionInfo
      :cljs js/Object
-  ))
+     ))
 
 ;; TODO: update this to use new parser pipeline & new AST representation
-(defn interpret [source parsed]
-  (try
-    (let [base-ctx (volatile! {::parent (volatile! prelude/prelude)})]
-      (interpret-ast parsed base-ctx))
-    (catch #?(:cljs :default :clj Throwable) e
-      (println "Ludus panicked!")
-      (println "On line" (get-in (ex-data e) [:ast :token :line]))
-      (println ">>> " (get-line source (get-in (ex-data e) [:ast :token :line])))
-      (println (ex-message e))
-      (pp/pprint (ex-data e)
-        ;;(System/exit 67)
-        ))))
-
-(+ 1 2)
\ No newline at end of file
+(defn interpret
+  ([source parsed] (interpret source parsed {}))
+  ([source parsed ctx]
+   (try
+     (let [base-ctx (volatile! {::parent (volatile! (merge prelude/prelude ctx))})]
+       (interpret-ast parsed base-ctx))
+     (catch #?(:cljs :default :clj Throwable) e
+       (println "Ludus panicked!")
+       (println "On line" (get-in (ex-data e) [:ast :token :line]))
+       (println ">>> " (get-line source (get-in (ex-data e) [:ast :token :line])))
+       (println (ex-message e))
+       (pp/pprint (ex-data e)
+         ;;(System/exit 67)
+         )))))
\ No newline at end of file
diff --git a/src/ludus/web.cljs b/src/ludus/web.cljs
new file mode 100644
index 0000000..70e772e
--- /dev/null
+++ b/src/ludus/web.cljs
@@ -0,0 +1,40 @@
+(ns ludus.web
+  (:require 
+   	[ludus.core :as core]
+   	[goog.object :as o]
+   	)
+  )
+
+(defn get-element [id]
+ 	(.getElementById (.-document js/window) id))
+
+(def canv (get-element "canv"))
+
+(def code (get-element "code"))
+
+(def out (get-element "output"))
+
+(def play (get-element "play"))
+
+(defn run-code []
+ 	(let [source (.-value code)
+      		result (core/run source)]
+  		(println "Running code:" source)
+  		(o/set out "value" result)))
+
+(.addEventListener play "click" run-code)
+
+(defn setup []
+ 	(js/createCanvas 640 240 canv)
+ 	(js/background 235)
+ 	)
+
+(defn draw []
+ 	(if js/mouseIsPressed
+  		(js/fill 255)
+  		(js/fill 155))
+ 	(js/ellipse js/mouseX js/mouseY 80 80))
+
+(doto js/window
+ 	(o/set "setup" setup)
+ 	(o/set "draw" draw))
\ No newline at end of file
diff --git a/temp/turtle-graphics.clj b/temp/turtle-graphics.clj
deleted file mode 100644
index c698752..0000000
--- a/temp/turtle-graphics.clj
+++ /dev/null
@@ -1,77 +0,0 @@
-(ns ludus.turtle-graphics
- 	(:require [quil.core :as q]
-   	[quil.middleware :as m]))
-
-(defn setup []
- 	(q/frame-rate 60)
- 	(q/color-mode :rgb)
- 	{:position [0 0]
- 		:path []})
-
-(def path (atom []))
-
-(defn turns->degrees [turns] (mod (+ 90 (* -360 turns)) 360))
-
-(turns->degrees -0.25)
-
-(defn degrees->turns [degs] (mod (/ (- degs 90) -360) 1))
-
-(degrees->turns 360)
-
-(defn add [[x1 y1] [x2 y2]] [(+ x1 x2) (+ y1 y2)])
-
-(defn sub [[x1 y1 [x2 y2]]] [(- x1 x2) (- y1 y2)])
-
-(defn scale [[x y] m] [(* x m) (* y m)])
-
-(defn heading->vec [heading]
- 	(let [degs (turns->degrees heading)]
-  		[(Math/cos degs) (Math/sin degs)]))
-
-(defn vec->heading [[x y]]
- 	(degrees->turns (Math/atan2 x y)))
-
-(defn forward [steps]
- 	(let [prev (peek @path)
-      		heading (:heading prev)
-      		unit (heading->vec heading)
-      		move (scale unit steps)
-     	 	curr (update prev :postion #(add % move))]
-  		(swap! path #(conj % curr))))
-
-(defn back [steps] (forward (* -1 steps)))
-
-(defn right [turns] 
- 	(let [prev (peek @path)
-      		curr (update prev :heading #(- % turns))]
-  		(swap! path #(conj % curr))))
-
-(defn left [turns] (right (* -1 turns)))
-
-(comment
- 	:path {:start [x y] :end [x y] :color [R G B]}
- 	)
-
-(defn update-state [state]
- 	{:color (mod (+ (:color state) 0.7) 255)
- 	 :angle (+ (:angle state) 0.1)})
-
-(defn draw-state [state]
- 	(q/background 240)
- 	(q/fill (:color state) 255 255)
- 	(let [angle (:angle state)
-      		x (* 150 (q/cos angle))
-      		y (* 150 (q/sin angle))]
- 	  (q/with-translation [(/ (q/width) 2) (/ (q/height) 2)]
-    		(q/ellipse x y 100 100))))
-
-(defn ludus-draw []
- 	(q/defsketch sketch
-   	:title "Hello Ludus"
-   	:size [500 500]
-   	:setup setup
-   	:update update-state
-   	:draw draw-state
-   	:features []
-   	:middleware [m/fun-mode])
- 	:ok)
\ No newline at end of file