So it's nothing to do with the system. Your client doesn't want to use SCORM any more...
You can upload all the elements as separate resources / activities in Moodle. You could investigate H5P. But the best thing to emulate SCORM is probably SCORM. While it's an old technology, it does the job.
You can upload all the elements as separate resources / activities in Moodle. You could investigate H5P. But the best thing to emulate SCORM is probably SCORM. While it's an old technology, it does the job.