| Federal Subjects of Russia | 0 | - | 4.95 | 149,618 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,635 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,580 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,295 |
| Countries that Border China | 0 | - | 4.96 | 264,359 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,872 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,556 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,227 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,750 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,756 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,765 |
| Official European Union Languages | 0 | - | 4.97 | 239,870 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,698 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,044 |
| Geography of Russia | 0 | - | 4.57 | 21,606 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,754 |
| Asia Map Quiz | 0 | - | 4.99 | 925,590 |
| Countries that Beat China | 0 | - | 4.85 | 116,786 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,294 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,494 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,336 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,938 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,802 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,001 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,052 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,015 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,235 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,821 |
| Slavic Countries | 0 | - | 4.96 | 112,414 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 38,204 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 90,352 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,708 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,474 |
| Champions League Winners | 0 | - | 4.92 | 1,016,630 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,854 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,601 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,970 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,202 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,875 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,362 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,119 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,702 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,650 |
| Countries of the Middle East | 0 | - | 4.96 | 203,031 |
| Celtic Nations | 0 | - | 4.61 | 47,106 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,020 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,808 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,989 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,002 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,934 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,014 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,021 |
| Famous Russians | 0 | - | 4.16 | 23,917 |
| Russia Country Quiz | 0 | - | 4.83 | 115,347 |
| Word Chain - Russia | 0 | - | 4.33 | 15,798 |
| Countries That Border Russia | 0 | - | 4.98 | 464,610 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,775 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,502 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,603 |
| Departments of France | 0 | - | 4.93 | 55,227 |
| States of Germany | 0 | - | 4.95 | 154,626 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,723 |
| Regions of Italy | 0 | - | 4.92 | 77,133 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,397 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,790 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| England or Wales? | 0 | - | 4.94 | 45,983 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,235 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,067 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,913 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,775 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,149 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,030 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,805 |
| Monarchies of Asia | 0 | - | 4.97 | 71,528 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,409 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,775 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,831 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,308 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,737 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,733 |
| Provinces of Turkey | 0 | - | 4.95 | 206,036 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,098 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,850 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,071 |
| Provinces of China | 0 | - | 4.97 | 208,218 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,929 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,699 |
| Japanese Prefectures | 0 | - | 4.98 | 139,136 |
| Japan Country Quiz | 0 | - | 4.93 | 143,389 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,368 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,756 |
| States of India | 0 | - | 4.94 | 196,036 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,601 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,988 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,765 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,976 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,028 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,226 |
| Name that Greek Letter | 0 | - | 4.93 | 325,070 |
| Byzantine History | 0 | - | 4.91 | 29,030 |
| Byzantine Emperors | 0 | - | 4.93 | 14,617 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,708 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,085 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,127 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,943 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,913 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,833 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,794 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,177 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,082 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,405 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,207 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,790 |
| China Multiple Choice | 0 | - | 4.50 | 37,422 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,397 |
| States of India Map Quiz | 0 | - | 4.84 | 26,905 |
| Countries Bordering India | 0 | - | 4.98 | 163,835 |
| Countries Closest to India | 0 | - | 4.97 | 103,256 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,723 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,360 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,658 |
| Slavic Languages | 0 | - | 4.67 | 54,714 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,365 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,834 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,059 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,041 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,019 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,746 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,272 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,634 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,828 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,947 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,150 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,140 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,206 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,614 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,961 |
| Oman Country Quiz | 0 | - | 4.86 | 27,096 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,501 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,083 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,864 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,001 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,688 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,354 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,604 |
| Hindu Countries | 0 | - | 4.87 | 50,600 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,883 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,881 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,911 |
| Ancient Greek Words | 0 | - | 4.93 | 112,527 |
| History of Italy | 0 | - | 4.55 | 32,159 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,408 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,962 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,532 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,829 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,433 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,428 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,844 |
| Asian Physical Geography | 0 | - | 4.61 | 35,625 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,214 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,620 |
| Asian Island Nations | 0 | - | 4.63 | 94,478 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,151 |
| Arab Spring Countries | 0 | - | 4.51 | 44,259 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,975 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,271 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,667 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,124 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,204 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,195 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,668 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,223 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,839 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,124 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,711 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,554 |
| European Physical Geography | 0 | - | 4.26 | 33,601 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,536 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,199 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,473 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,438 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,516 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,560 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,753 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 42,475 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,137 |
| Ukraine Country Quiz | 0 | - | 4.43 | 48,001 |
| Hungary Country Quiz | 0 | - | 4.49 | 43,797 |
| Romania Country Quiz | 0 | - | 4.63 | 54,154 |
