Is there a way to clean DS cartridges?
Rubbing alcohol will do the trick! Just get a Q-Tip and clean the contacts of the cartridge! You could try cleaning the game card port but be cautious about it. The best way to clean that is with a can of compressed air to blow all the dust and stuff.
How do I get my DS game to work again?
Is it safe to clean a DS cartridge?
If you have trouble getting a game to work in your Nintendo DS, you may need to clean the cartridge. Care should be taken when cleaning these small games because getting excess liquid in the interior of the cartridge could permanently damage it. Take a dry cotton swab and carefully dust off any debris on the chip.
How do I clean my 3DS game?
Can you clean DS games with hydrogen peroxide?
Can I use hydrogen peroxide? No. Hydrogen peroxide is corrosive and will damage the contacts.
Why is my DS game not working?
Blow into the back of the DS system where cartridges are inserted. If dust or dirt gets trapped in there, the DS cartridge may not play. Try three times to get the cartridge to work. If it still does not work, then the cleaning did not repair the game.