The term "unblocked games" refers to any game that can be played on a network—like a school or office—that has restrictions (firewalls) on what websites can be visited. Many standard gaming and download sites are often blocked. "Unblocked" sites offer lightweight, browser-based versions of popular games, usually powered by technology, that can bypass these filters, allowing you to play them during a break or a free period.

Sonic 3 And Knuckles Unblocked Games: The Ultimate Guide to Playing the Classic at School or Work

While not strictly "unblocked," these sites often offer HTML5 emulators that work through standard web browsers. 2. Browser-Based Emulators