However, because the Nintendo consoles that Dolphin emulates are drastically different than an average computer, even decade-old Wii games can put strain on a high-performance computer. The emulator offers unique Dolphin enhancements that allow older games to be played with enhanced visuals and performance tweaks. Dolphin 5.0 Best Settings is an open-source emulator that allows games for the Nintendo GameCube, Nintendo Wii, and Nintendo Wii U consoles to be played on a PC.How to Speed Up Dolphin Emulator on a Slow Computer.