The compatibility of Nintendo Switch games with Switch 2 is being checked and updated through an online guide by Nintendo.The absence of the IR camera on the Joy-Con 2 of Switch 2 makes it not completely backwards compatible.Incompatible games with Switch 2 include DOOM Eternal and A Boy and His Blob Retro Collection.Original Switch joy-cons can still be used with Switch 2, and games like Ring Fit Adventure are compatible.