: These two competitors saw rapid development. Yuzu introduced "Hades," a massive shader decompiler rewrite that significantly reduced stuttering, while Ryujinx gained acclaim for its high accuracy and early support for local wireless multiplayer.
: This emulator gained traction in 2021 as a lightweight alternative specifically optimized for high-performance mobile gaming, such as Free Fire or PUBG Mobile .
: The team began a long-awaited transition to a more modern interface (Qt) and continued to improve the "Vulkan" renderer, providing better performance on modern hardware. list-of-emulator-2021
: Not an emulator itself but a frontend for "cores." In 2021, RetroArch launched on Steam, making it more accessible to mainstream users and simplifying the management of dozens of retro systems from a single interface.
Emulation of high-end consoles reached significant milestones in 2021, moving many projects from experimental stages to daily usability. : These two competitors saw rapid development
: Remained the premier choice for Mac users, offering a sleek, "iTunes-like" library interface for organizing retro games. Professional & Scientific Emulators
Android emulators are widely used for gaming and mobile application testing on desktop environments. : The team began a long-awaited transition to
: Remained the gold standard for stability and performance. In 2021, it saw improved Netplay features and better support for specialized controllers.