I&#x27;d say Newgrounds is the modern day Newgrounds. I don&#x27;t have Flash installed, I went to Newgrounds, and the first couple of games I clicked on worked without Flash while others still required it. If there&#x27;s new or old content that still requires Flash, then it can be emulated. Here&#x27;s an example of a large collection of games playable in an HTML5-based emulator: <a href="https:&#x2F;&#x2F;archive.org&#x2F;details&#x2F;softwarelibrary_msdos_games" rel="nofollow">https:&#x2F;&#x2F;archive.org&#x2F;details&#x2F;softwarelibrary_msdos_games</a><p>As for other HTML5\WebGL focused sites, here&#x27;s an example of a site making HTML5 games: <a href="https:&#x2F;&#x2F;ga.me&#x2F;" rel="nofollow">https:&#x2F;&#x2F;ga.me&#x2F;</a><p>And here are a couple of sites indexing WebGL games:<p><a href="http:&#x2F;&#x2F;www.webglgames.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.webglgames.com&#x2F;</a><p><a href="http:&#x2F;&#x2F;www.webgl.nu&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.webgl.nu&#x2F;</a><p>So don&#x27;t worry. There&#x27;s lots of HTML5 game development going on.