Well, you were right: finding them is not that easy as it seems at first glance. I could not go pass level 4.
I had a problem with Firefox with privacy settings set “high”: the screen is stuck at “Preparing… (1/2)” and the console throws this error message:
DOMException: A mutation operation was attempted on a database that did not allow mutations. love.js:9:324520 Love https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 doCallback https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 done https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 syncfs https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 getRemoteSet https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 onerror https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 (Async: EventHandlerNonNull) getDB https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 getRemoteSet https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 syncfs https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 getLocalSet https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 syncfs https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 syncfs https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 syncfs https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 Love https://v6p9d9t4.ssl.hwcdn.net/html/6524901/love.js:9 applicationLoad https://v6p9d9t4.ssl.hwcdn.net/html/6524901/index.html:102 onload https://v6p9d9t4.ssl.hwcdn.net/html/6524901/index.html:1
I had no problems with Chromium.
The music is cool and it is a decent time waster.