| 5,898 | Maailma riigid | 2018-11-03 | – |
| 4,906 | Count to 10 in Europe: Insane | 2017-04-07 | 41 |
| 2,196 | Doubly Landlocked Countries | 2017-04-07 | 0 |
| 2,041 | Periodic Table of Elements by Proximity | 2017-02-18 | 4 |
| 1,336 | Countries never controlled by Europeans | 2015-07-10 | 0 |
| 976 | Countries in World War I | 2014-08-07 | 0 |
| 573 | Most Guessed Countries on Most Guessed Countries Quiz | 2017-05-26 | 9 |
| 475 | Countries by Lowest Elevation | 2017-04-07 | 0 |
| 437 | Days of the Week in Europe: Insane | 2019-01-20 | 3 |
| 415 | Eesti maakonnad/ Counties of Estonia | 2015-11-23 | – |
| 307 | Most Buddhist Countries (by number) | 2014-08-13 | 0 |
| 295 | Europe Grid | 2016-01-07 | 0 |
| 258 | Colors in Europe: Insane | 2016-07-07 | 3 |
| 253 | Most Guessed Elements on Most Guessed Elements Quiz | 2017-07-23 | 7 |
| 244 | Most Irreligious countries (by number) | 2014-08-14 | 1 |
| 226 | Countries that Became Independent in 1918 | 2016-01-18 | 0 |
| 203 | Most Hinduist Countries (by number) | 2014-08-13 | 0 |
| 190 | Most Guessed World Cities on Most Guessed World Cities Quiz | 2017-08-05 | 0 |
| 183 | Empires on Which the Sun Never Sets | 2015-06-23 | 0 |
| 173 | 1965 Population Projections for 2015 | 2016-12-26 | 1 |
| 164 | Fast Typing - Lorem Ipsum | 2015-08-12 | 0 |
| 151 | Largest Language Families | 2015-08-03 | 0 |
| 146 | Sets of Four Countries that Border one Another | 2015-12-24 | 0 |
| 141 | Modern Greek Alphabet | 2015-01-05 | 0 |
| 135 | Most Guessed Country by Continent on Five Most Guessed Countries by Continent Quiz | 2017-05-26 | – |
| 135 | Northernmost & Southernmost Countries | 2015-02-15 | 0 |
| 135 | Most Guessed Capitals on Most Guessed Capitals Quiz | 2017-05-26 | 2 |
| 108 | Countries Furthest from Sea | 2016-10-14 | 0 |
| 105 | Countries by Highest Elevation | 2014-08-05 | 0 |
| 105 | Eesti presidendid/ Presidents of Estonia | 2017-08-22 | – |
| 76 | Governments in exile | 2014-09-20 | 0 |
| 66 | Cities north of 60°N | 2018-05-20 | 0 |
| 63 | Political Groups of the European Parliament | 2019-10-05 | 0 |
| 63 | Euroopa riigid | 2017-08-18 | – |
| 61 | Eesti suurimad linnad | 2016-12-20 | – |
| 46 | Most Guessed African Countries on Most Guessed African Countries Quiz | 2017-05-26 | – |
| 45 | Most Guessed U.S. Cities on Most Guessed U.S. Cities Quiz | 2017-09-17 | 0 |
| 42 | Language Names in 5 Languages | 2016-07-07 | 0 |
| 41 | Antarctic Physical Geography | 2015-08-01 | 1 |
| 32 | Multi-National Regions (the boring kind) | 2014-11-08 | 0 |
| 30 | Most Guessed Non-Capital Cities on Most Guessed Non-Capital Cities Quiz | 2017-09-17 | 0 |
| 27 | Antipodal countries | 2019-01-20 | – |
| 25 | Count to 10 in Asia | 2015-06-27 | 0 |
| 17 | Eesti peaministrid/ Prime Ministers of Estonia | 2017-08-22 | – |
| 16 | Bald-hairy sequence leaders | 2014-06-09 | 0 |
