Let's address the elephant in the room. In 2021, MacVG was generally safe compared to competitors like Coolmath Games (which started injecting autoplay video ads) or Kizi (which had pop-up malware).
Undoubtedly the king of 2021. This rhythm game took over the internet. Because the Newgrounds version was often blocked on school networks, MacVG became the primary way for students to battle against Daddy Dearest and Skid & Pump during lunch breaks. The simple controls (arrow keys) made it accessible, but the difficulty kept players hooked. macvg unblocked games 2021