| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,639 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,596 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,928 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,755 |
| World Map Quiz | 0 | - | 4.81 | 65,942 |
| United States Cities Map Quiz | 0 | - | 4.96 | 215,344 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,509 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,464 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,919 |
| Asia Map Quiz | 0 | - | 4.99 | 926,869 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 983,912 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,760 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,916 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,963 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,261 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,619 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,190 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,824 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,369 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,238 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,504 |
| Random Country to Capital | 0 | - | 4.98 | 930,303 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,624 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,151 |
| Countries with Four Letters | 0 | - | 4.99 | 426,534 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,083 |
| Australia Map Quiz | 0 | - | 4.95 | 346,520 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,620 |
| Capital Cities Chain | 0 | - | 4.84 | 83,537 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,761 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,743 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,341 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,704 |
| Country Chain | 0 | - | 4.96 | 218,685 |
| Countries by Emojis | 0 | - | 4.99 | 242,887 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,727 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,434 |
| Islands by Country #1 | 0 | - | 4.90 | 176,516 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,353 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,671 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,480 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,554 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,431 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,215 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,665 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,652 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,464 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,697 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,182 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,309 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,436 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,538 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,885 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,916 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,921 |
| North America Map Quiz | 0 | - | 4.98 | 252,848 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,581 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,949 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,483 |
| Boundary Waters | 0 | - | 4.92 | 88,849 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,861 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,586 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,079 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,495 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 237,067 |
| The Only Country ... | 0 | - | 4.91 | 82,068 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,920 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,836 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,786 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,222 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,032 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,718 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,902 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,657 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,489 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,064 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,371 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,951 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,728 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,640 |
| Random Countries by Borders | 0 | - | 4.99 | 83,213 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,930 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,480 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,826 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,990 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,539 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,692 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,981 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,625 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,575 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,982,105 |
| The Seven Continents Map Quiz | 0 | - | 3.90 | 268,207 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,372 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,291 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,564 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,611 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,937 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,527 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,504 |
| Cities Chain #2 | 0 | - | 4.42 | 56,552 |
| Cities Chain #1 | 0 | - | 4.61 | 66,874 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,216 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,531 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,050 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,555 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,021 |
| Landlocked Countries | 0 | - | 4.99 | 427,404 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,906 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,512 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,293 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,034 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,108 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,135 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,867 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,051 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,450 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,733 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,096 |
| States of India Map Quiz | 0 | - | 4.85 | 26,974 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,795 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,006 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,249 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,637 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,046 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,241 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,358 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,990 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,532 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,188 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,212 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,942 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,187 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,337 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,992 |
| Himalayan Countries | 0 | - | 4.93 | 140,894 |
| Andean Countries | 0 | - | 4.94 | 85,833 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,948 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,531 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,490 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,711 |
| Danube Countries | 0 | - | 4.97 | 72,574 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,990 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,474 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,949 |
| European Landlocked Countries | 0 | - | 4.99 | 147,791 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,561 |
| Countries with the Most Species | 0 | - | 4.99 | 103,656 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,663 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,934 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,146 |
| Countries in the Alps | 0 | - | 4.87 | 119,005 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,046 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,185 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,190 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,146 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,615 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,009 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,325 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,962 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,685 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,938 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,039 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,175 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,747 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,578 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,859 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,399 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,541 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,627 |
| Largest Countries By Category | 0 | - | 4.97 | 159,120 |
| Countries by Countries | 0 | - | 4.97 | 63,820 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,477 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,751 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,709 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,572 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,246 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,570 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,282 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,872 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,899 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,660 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,454 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,673 |
| Longest International Borders | 0 | - | 4.99 | 266,024 |
| Countries with Three Borders | 0 | - | 4.96 | 36,839 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,431 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,578 |
| Demonym of Every Country | 0 | - | 4.90 | 61,654 |
