{"success":true,"count":3,"modes":[{"mode_key":"classic","mode_name":"Classic","description":"Answer 10 questions at your own pace","question_count":10,"time_limit_seconds":30,"is_endless":false,"batch_size":0},{"mode_key":"blitz","mode_name":"Blitz","description":"Fast-paced 15-question challenge","question_count":15,"time_limit_seconds":20,"is_endless":false,"batch_size":0},{"mode_key":"endless","mode_name":"Endless","description":"Keep playing until you miss","question_count":0,"time_limit_seconds":30,"is_endless":true,"batch_size":5}]}