If anyone in the future wants to speedrun this game, I suggest installing Flashpoint so you could record the gameplay easier. Flashpoint is a project dedicated to preserving Flash games and animations. Just follow the instructions on the website to download and use it! (Make sure to install the Infinity version) Download link: https://bluemaxima.org/flashpoint/

Steps:

1. Install Flashpoint Infinity
2. Extract the zip file
3. Click the "Start Flashpoint" shortcut
4. And you're good to go! Just search the game you want to speedrun in the search bar

And if you don't know how to get a timer, use Livesplit! Download link: https://livesplit.org/