| 348 | Name the Author (American Literature) | 2021-08-19 | 3 |
| 284 | Prime Ministers of Spain (since 1975) | 2022-02-02 | 2 |
| 269 | U.S. Senate Majority Leaders | 2021-01-31 | 0 |
| 233 | Artsakh Country Quiz | 2022-05-01 | 3 |
| 230 | Random Chinese Characters | 2020-08-20 | 1 |
| 218 | Greatest Classical Pianists by Picture | 2021-07-07 | 1 |
| 196 | U.S. Virgin Islands Trivia | 2020-08-20 | 2 |
| 194 | Mongolic Language Family Tree | 2020-10-08 | 1 |
| 172 | Major Political Parties in Italy | 2022-09-26 | 0 |
| 161 | Major Political Parties in France | 2022-06-19 | 1 |
| 153 | Countries Visited by Donald Trump Map Quiz | 2020-09-04 | 0 |
| 141 | Northern Mariana Islands Trivia | 2020-08-22 | 4 |
| 139 | Prime Ministers of Portugal (Third Republic) | 2021-02-19 | 0 |
| 137 | Curaçao Country Quiz | 2020-08-19 | 0 |
| 136 | Greatest Violinists By Picture | 2021-08-11 | 0 |
| 133 | Name the Author (Gothic Fiction) | 2020-09-01 | 1 |
| 118 | Prime Ministers of Malaysia | 2021-08-23 | 1 |
| 96 | Political Parties in Knesset (Israel) | 2022-11-29 | 0 |
| 95 | Longest Serving U.S. Senators | 2020-10-04 | 0 |
| 88 | Political Parties in the Hellenic Parliament (Greece) | 2021-11-02 | 1 |
| 77 | U.S. Minor Outlying Islands Quiz | 2022-06-19 | 0 |
| 73 | You Gotta Know These African-American Civil Rights Leaders | 2021-08-17 | 0 |
| 73 | Political Parties in the Dáil Éireann (Ireland) | 2021-11-02 | 0 |
| 65 | Political Parties in the State Duma (Russia) | 2022-02-19 | 0 |
| 64 | U.S. Cabinet Departments by Federal Agencies | 2021-08-03 | 1 |
| 62 | Name the Author (Crime/Mystery) | 2020-08-24 | 0 |
| 61 | Branches of the Afroasiatic Language Family | 2020-10-07 | 0 |
| 59 | Short Story Writers | 2020-08-23 | 1 |
| 59 | Name the Author (Fantasy) | 2020-08-25 | 0 |
| 55 | Italian Opera Composers | 2020-08-28 | 0 |
| 52 | Prime Ministers of Romania (since 1989) | 2021-02-19 | 0 |
| 50 | Prime Ministers of the Russian Federation | 2021-02-19 | 0 |
| 47 | Name the Author (Chinese Literature) | 2020-08-25 | 0 |
| 47 | You Gotta Know These Nobel Prize Winners in Medicine | 2020-11-22 | 0 |
| 45 | Political Parties in the Portuguese Parliament | 2022-01-31 | 0 |
| 45 | Major Political Parties in Spain | 2022-06-07 | 0 |
| 45 | Political Parties in the House of Representatives (Japan) | 2021-11-02 | 0 |
| 44 | English Opera Composers | 2020-08-28 | 0 |
| 44 | Sahrawi Arab Democratic Republic Country Quiz | 2020-08-18 | 0 |
| 43 | German Opera Composers | 2020-08-28 | 0 |
| 39 | Country Flags With Birds | 2020-08-24 | 2 |
| 37 | You Gotta Know These Popes | 2020-11-23 | 0 |
| 33 | Name the Author (African Literature) | 2021-09-03 | 0 |
| 33 | Early Romantic Composers | 2020-08-25 | 0 |
| 31 | Composers of the Classical Period | 2020-09-01 | 0 |
| 30 | French Opera Composers | 2020-08-28 | 0 |
| 30 | Political Parties in the Chamber of Deputies (Mexico) | 2021-08-05 | 0 |
| 28 | The Eris Quiz | 2020-08-21 | 0 |
| 28 | Russian Opera Composers | 2020-08-28 | 0 |
| 25 | Prime Ministers of Vietnam (since 1976) | 2021-02-20 | 0 |
| 24 | U.S. Cities by Mayor #1 | 2020-09-27 | 0 |
| 23 | Contemporary Classical Composers | 2020-08-24 | 0 |
| 22 | Asian-Americans in the U.S. Senate | 2021-02-05 | 0 |
| 22 | Operatic Vocal Classifications | 2020-08-27 | 0 |
| 22 | Name the Author (Australian Literature) | 2021-09-08 | 0 |
| 20 | Country by Photo of its Leader #3 | 2020-09-01 | 0 |
| 19 | Pulitzer Prize for Music Winners | 2020-08-27 | 0 |
| 16 | Longest Serving U.S. Representatives | 2021-02-22 | 0 |
| 14 | Country by Photo of its Leader #4 | 2020-09-01 | 0 |
| 13 | Chinese Cities in English | 2020-10-12 | 0 |
| 12 | U.S. Cities by Mayor #2 | 2020-10-07 | 0 |
| 12 | Country by Photo of its Leader #5 | 2020-09-01 | 0 |
| 11 | Governors General of New Zealand | 2020-09-03 | 0 |
| 11 | A Quiz about the Baháʼí Faith | 2020-11-22 | 0 |
| 10 | Governors General of Australia | 2020-09-02 | 0 |
| 8 | Presidents of Iceland | 2021-08-28 | 0 |
| 8 | Kings (Druk Gyalpo) of Bhutan | 2021-09-24 | 0 |
| 6 | Channel Islands (California) Quiz | 2020-08-18 | 0 |
| 5 | Prime Ministers of Kazakhstan | 2021-03-21 | 0 |
| 3 | Prime or Composite? | 2020-08-27 | 0 |
| 2 | Rimsky-Korsakov Operas | 2020-08-28 | 0 |
| 2 | Prime Ministers (Premiers) of Greenland | 2021-02-18 | 0 |
| 1 | Nadine Gordimer Novels | 2021-01-04 | 0 |
| 1 | Gounod Operas | 2020-08-28 | 0 |
