How to Play Unity WebGL Games on Your Browser
Unity WebGL is a unity games deployed as an HTML5 games. Therefore, in general, the games will be playable in most browsers. To check if your browser supports WebGL, please use this WebGL browser support checker. If you would like more information WebGL, please visit this wikipedia link about WebGL.
If you are using Chrome and unable to play the game, please check this guide to enable WebGL on Chrome.