List for DSi exploits.
DSiWare exploits can't be copied to "internal memory" with DSi system update 1.4.2. To copy these DSiWare exploits to your DSi, you must be on 1.4.1 or below and have the game already. DSiWare exploits can't be used on 3DS.

Sudokuhax v1.1:
After launching Sudoku, press button A or touch screen at the Sudoku title screen, to execute the exploit and run /boot.nds.
Grtpwn:
After launching Guitar Rock Tour, scroll down and goto High-Scores->Drums->Easy. Then the exploit will execute and load /boot.nds.
Exidiahax:
After pressing button A or start at the two title screens, select the first save slot and press continue. The exploit will then execute loading /boot.nds.
Fieldrunhax:
Touch the 'Scores' button at the main menu, boot.nds will then be loaded.

Exploit Game Region Title ID System version Available in DSi Shop
Sudokuhax'Sudoku' by EAUSA4B3444451.4.1 and belowPatched
Sudokuhax'Sudoku' by EAEUR/AU4B3444561.4.1 and belowPatched
Grtpwn'Guitar Rock Tour' by GameloftEUR/AU4B4752561.4.1 and belowYes
Grtpwn'Guitar Rock Tour' by GameloftUSA4B4752451.4.1 and belowYes
Exidiahax'Legends of Exidia' by GameloftUSA4B4C45451.4.1 and belowYes
Exidiahax'Legends of Exidia' by GameloftEUR/AU4B4C45561.4.1 and belowYes
Exidiahax'Legends of Exidia' by GameloftJP4B4C454A1.4.1 and belowYes
Fieldrunhax'Fieldrunners' by Subatomic StudiosUSA4B4644451.4.1 and belowYes
Fieldrunhax'Fieldrunners' by Subatomic StudiosEUR/AU4B4644561.4.1 and belowYes