| Federal Subjects of Russia | 0 | - | 4.94 | 144,075 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,470 |
| History of Russia Quiz | 0 | - | 4.49 | 31,797 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,944 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,713 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,808 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,395 |
| Countries that Border China | 0 | - | 4.96 | 261,868 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,960 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,716 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,938 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,831 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,597 |
| Official European Union Languages | 0 | - | 4.97 | 236,862 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,722 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,328 |
| Geography of Russia | 0 | - | 4.57 | 21,429 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,069 |
| Asia Map Quiz | 0 | - | 4.99 | 907,365 |
| Countries that Beat China | 0 | - | 4.86 | 114,746 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,323 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,554 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,575 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,145 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,861 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,510 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,246 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,875 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,907 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,019 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,297 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,228 |
| Slavic Countries | 0 | - | 4.96 | 110,887 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 37,809 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 89,586 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Champions League Winners | 0 | - | 4.92 | 996,771 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,370 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,804 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,448 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,287 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,766 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,526 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,719 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,820 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,188 |
| Countries of the Middle East | 0 | - | 4.96 | 199,004 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,241 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,272 |
| States of India | 0 | - | 4.94 | 190,301 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,792 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,349 |
| Celtic Nations | 0 | - | 4.69 | 46,818 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,354 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,254 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,636 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,309 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,294 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,240 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,838 |
| Famous Russians | 0 | - | 4.16 | 23,730 |
| Russia Country Quiz | 0 | - | 4.85 | 113,668 |
| Word Chain - Russia | 0 | - | 4.33 | 15,686 |
| Countries That Border Russia | 0 | - | 4.98 | 459,002 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,872 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,234 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,050 |
| Departments of France | 0 | - | 4.93 | 52,863 |
| States of Germany | 0 | - | 4.96 | 150,158 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,055 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| Regions of Italy | 0 | - | 4.92 | 74,767 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,378 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,849 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,410 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,224 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,500 |
| England or Wales? | 0 | - | 4.94 | 45,339 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,552 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,011 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,078 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,508 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,405 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,311 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,451 |
| Monarchies of Asia | 0 | - | 4.97 | 70,615 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,750 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,594 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,084 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,441 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,993 |
| Provinces of Turkey | 0 | - | 4.95 | 201,204 |
| Syria Country Quiz | 0 | - | 4.81 | 32,356 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,482 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,824 |
| Provinces of China | 0 | - | 4.97 | 200,239 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,101 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,822 |
| Japanese Prefectures | 0 | - | 4.98 | 134,676 |
| Japan Country Quiz | 0 | - | 4.92 | 141,312 |
| States of India Map Quiz | 0 | - | 4.82 | 26,055 |
| Countries Bordering India | 0 | - | 4.98 | 162,624 |
| Countries Closest to India | 0 | - | 4.97 | 102,222 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,162 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,856 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,718 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,526 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,114 |
| Name that Greek Letter | 0 | - | 4.94 | 321,741 |
| Byzantine History | 0 | - | 4.91 | 28,629 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,164 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,804 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,863 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,379 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,512 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,246 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,319 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,919 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,985 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,524 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,099 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,490 |
| China Multiple Choice | 0 | - | 4.50 | 37,151 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,562 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 32,994 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,027 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,379 |
| Hindu Countries | 0 | - | 4.86 | 49,599 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,453 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,603 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,015 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,118 |
| Slavic Languages | 0 | - | 4.67 | 53,996 |
| Embarrassing Chapters in Russian History | 0 | - | 3.73 | 20,238 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,921 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,629 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,548 |
| The Trojan War | 0 | - | 4.83 | 39,446 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,597 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,435 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,066 |
| Roman Emperors | 0 | - | 4.95 | 118,528 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,258 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,179 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,896 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,714 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,470 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,283 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,306 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,567 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,058 |
| Oman Country Quiz | 0 | - | 4.86 | 26,697 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,424 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,212 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,767 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,754 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,477 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,167 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,578 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,441 |
| Ancient Greek Words | 0 | - | 4.92 | 110,728 |
| History of Italy | 0 | - | 4.55 | 31,825 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,188 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,673 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,638 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,490 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,989 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,168 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,382 |
| Asian Physical Geography | 0 | - | 4.61 | 35,375 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,933 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,850 |
| Asian Island Nations | 0 | - | 4.63 | 93,766 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,307 |
| Arab Spring Countries | 0 | - | 4.51 | 43,833 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,707 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,261 |
| Afghanistan Country Quiz | 0 | - | 4.45 | 42,901 |
| Bangladesh Country Quiz | 0 | - | 4.78 | 42,801 |
| Pakistan Country Quiz | 0 | - | 4.54 | 61,281 |
| India Country Quiz | 0 | - | 4.44 | 129,654 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,699 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,931 |
| History of India | 0 | - | 4.61 | 21,290 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,591 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,424 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,927 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,875 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,736 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,241 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,938 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,692 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,648 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,033 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,327 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,475 |
| European Physical Geography | 0 | - | 4.26 | 33,376 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,003 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,635 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,959 |
