You created an online arcade on your root website, or subsite via a subdomain… but you are on a shared-hosting service that is cheap enough for you. However; you need to be careful when you host games on your website… you can host a game on your site by creating interactive fiction games that are simple without graphics, but text.
If you’re not comfortable with programing via Java-script, or C++,–orany kind of a program codes… you can just link html files together, and you don’t need to add a text field!