Super Paper Mario

Super Paper Mario is a RPG-styled platformer developed by Intelligent Systems and published by Nintendo for the Wii. The gameplay is similar to the classic Super Mario games, but with the aesthetic qualities of the Paper Mario series, RPG-like elements like character dialogue and puzzles, and a blend of 2D and 3D platforming. The player starts out with only Mario, but unlocks Princess Peach, Luigi, and even Bowser through the game, and can change between them at any time.

The game was originally planned for the Nintendo GameCube in 2006, but Nintendo changed it to a Wii release due to declining GameCube sales.

Bounding Box Slowdown on NVIDIA Cards
NVIDIA cards are abnormally slow during Bounding Box effects even at very low internal resolutions when using D3D11. They get dramatically slower as the internal resolution increase, even though comparable AMD graphics cards suffer no slowdown at all. This is due to Dolphin hitting a slow path on those graphics cards. It is recommended that supported NVIDIA users use other video backends when playing games that require Bounding Box emulation to avoid that.

When Using Older Graphics Cards
This game uses a feature known as "Bounding Box", which Dolphin typically uses Shader Storage Buffer Objects (SSBO) to emulate. This requires a NVIDIA GeForce 400 series or newer, a AMD/ATI Radeon HD 5000 series or newer, or a Intel Broadwell Integrated GPU (Intel HD 5300+) or newer and an operating system that supports OpenGL 4.3, D3D11, GLES 3.1, or Vulkan. On macOS, MoltenVK can be used to attain Vulkan support on the latest builds. If Bounding Box is not emulated correctly, the game will show severe graphical glitches and won't be playable to finish.

Because Dolphin has gone through many variants of Bounding Box support throughout its history, it may be possible for older graphics cards to use less accurate versions of Bounding Box present in older builds. On Android, or newer is required for Bounding Box to function at all when using OpenGL ES due to an unrelated bug. Please note that other driver issues can often cause issues with Bounding Box emulation, which can produce similar bugs to having no Bounding Box support whatsoever. In this case, updating drivers or using a different video backend may be your only recourse.

Freeze When Starting a New Game
Disc images that have been converted to the NKit format will freeze when attempting to start a new game. This is a problem with NKit, not Dolphin. Converting the disc image back to a non-NKit disc image will fix the problem. See.

Problems
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Dolphin Freezes during Void takeover in Chapter 6-2
Dolphin may freeze completely when the Void takes over during Chapter 6-2, after the laughing Sammer Guy runs away. This issue has been present since at least 4.0. A workaround is to disable the Panic Handlers in Dolphin's main Configuration menu, under the Interface tab, while playing Chapter 6-2. }}}}

HD Texture Pack
There is a work-in-progress HD texture pack for Super Paper Mario on the Dolphin forums.