It makes cutscenes run very slowly on the North American version of the game, causes falling stars to appear in the top corners and top middle of the screen, and makes the blue/red coins in Gelato Beach near impossible to get.

This Gecko code is Region-Free which means it works with any version of the game, but it comes with some side effects. You'll have to track down those versions then. The VBeam hack was axed by the devs over accuracy concerns and wanting 60 FPS hacks to run on real hardware or something. There was an option to overclock the GPU (Vbeam speed hack) to get 60fps in Pikmin 1 and 2, but it was removed by Dolphin team in recent builds. The overclocking can increase the framerate of games with Vsync, variable FPS, or slowdowns in the real console. Some other games have 60 FPS patches or codes too. Some animations are still awkward or too quick. Originally 20 FPS (17 in PAL, 30 in 3DS version). That alone can cause a speedup in a select few games like GoldenEye, Perfect Dark, Mario Kart 64 (partially: MP, some stages), Carmageddon, and San Francisco Rush games (partially: MP).

To be used with the 1964 Ultrafast, which includes CPU Overclocking. Notably, the walking speed and animations might play at double speed, which can cause some gameplay problems like for example making a mission impossible to beat in Metal Gear Solid Peace Walker because the enemies are too fast. These are often game-specific and very prone to bugs considering many of the games weren't made with 60 FPS in mind.

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