diff --git a/Cargo.toml b/Cargo.toml
index 8b8d373..754d1e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,27 +1,19 @@
 [package]
 name = "tilesy"
-version = "0.1.0"
+version = "0.72.0"
 description = "a tilesheet importer for the Bitsy game engine"
 authors = ["Max Bradbury <max@tinybird.info>"]
 edition = "2018"
 license = "MIT"
+repository = "https://tinybird.dev/max/tilesy"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [lib]
-crate-type = ["cdylib", "rlib"]
+crate-type = ["cdylib"]
 
 [dependencies]
 "base64" = "^0.12.3"
 "bitsy-parser" = "^0.72.0"
 "image" = "^0.23.7"
+"lazy_static" = "^1.4.0"
 "wasm-bindgen" = "^0.2.64"
-
-[dependencies.web-sys]
-version = "^0.3.4"
-features = [
-  'Document',
-  'Element',
-  'HtmlElement',
-  'Node',
-  'Window',
-]
diff --git a/script.js b/script.js
index 1a4e514..cac69c5 100644
--- a/script.js
+++ b/script.js
@@ -1,4 +1,8 @@
-import init, {load_default_game_data, add_tiles} from './pkg/bitsy_tiles.js';
+import init, {load_default_game_data, add_tiles} from './pkg/tilesy.js';
+
+// if (typeof WebAssembly !== "object") {
+//     document.getElementById("start").innerText = "Sorry - your browser does not support WebAssembly";
+// }
 
 // stolen from https://ourcodeworld.com/articles/read/189/how-to-create-a-file-and-generate-a-download-with-javascript-in-the-browser-without-a-server
 function download(filename, text) {
diff --git a/src/lib.rs b/src/lib.rs
index a7316bf..f8dd11c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,9 +2,35 @@ use bitsy_parser::game::Game;
 use bitsy_parser::image::Image;
 use bitsy_parser::tile::Tile;
 use image::{GenericImageView, Pixel};
+// use lazy_static::lazy_static;
+// use std::sync::Mutex;
 use wasm_bindgen::prelude::*;
 
 const SD: u32 = 8;
+//
+// struct State {
+//     game:   Option<Game>,
+//     image:  Option<Image>,
+//     prefix: String,
+//     invert: bool,
+//     flip:   bool,
+//     mirror: bool,
+//     rotate: bool,
+// }
+
+// lazy_static! {
+//     static ref STATE: Mutex<State> = Mutex::new(
+//         State {
+//             game: None,
+//             image: None,
+//             prefix: "".to_string(),
+//             invert: false,
+//             flip: false,
+//             mirror: false,
+//             rotate: false,
+//         }
+//     );
+// }
 
 #[wasm_bindgen]
 pub fn load_default_game_data() -> String {
@@ -146,6 +172,9 @@ pub fn add_tiles(
     }
 
     game.dedupe_tiles();
+
+    let game = game;
+
     game.to_string()
 }