| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,500 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,595 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,029 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,898 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,692 |
| World Map Quiz | 0 | - | 4.81 | 65,939 |
| United States Cities Map Quiz | 0 | - | 4.96 | 215,344 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,495 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,457 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,897 |
| Asia Map Quiz | 0 | - | 4.99 | 926,848 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 983,901 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,757 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,909 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,962 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,258 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,617 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,187 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,823 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,365 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,236 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,463 |
| Random Country to Capital | 0 | - | 4.98 | 930,287 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,567 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,147 |
| Countries with Four Letters | 0 | - | 4.99 | 426,524 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,076 |
| Australia Map Quiz | 0 | - | 4.95 | 346,516 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,610 |
| Capital Cities Chain | 0 | - | 4.84 | 83,535 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,752 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,739 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,333 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,698 |
| Country Chain | 0 | - | 4.96 | 218,682 |
| Countries by Emojis | 0 | - | 4.99 | 242,883 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,726 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,428 |
| Islands by Country #1 | 0 | - | 4.90 | 176,512 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,352 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,667 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,478 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,551 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,428 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,209 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,660 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,646 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,461 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,689 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,177 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,306 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,435 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,518 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,884 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,914 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,919 |
| North America Map Quiz | 0 | - | 4.98 | 252,839 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,580 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,946 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,478 |
| 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 | 96,858 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,584 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,077 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,492 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 237,058 |
| The Only Country ... | 0 | - | 4.91 | 82,066 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,917 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,833 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,784 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,220 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,032 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,714 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,899 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,655 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,487 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,063 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,368 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,944 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,725 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,638 |
| Random Countries by Borders | 0 | - | 4.99 | 83,211 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,927 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,475 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,822 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,988 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,528 |
| 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 | 324,572 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,980,849 |
| The Seven Continents Map Quiz | 0 | - | 3.90 | 268,205 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,368 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,287 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,563 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,608 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,936 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,526 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,502 |
| Cities Chain #2 | 0 | - | 4.42 | 56,552 |
| Cities Chain #1 | 0 | - | 4.61 | 66,873 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,216 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,524 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,049 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,553 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,020 |
| Landlocked Countries | 0 | - | 4.99 | 427,386 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,904 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,507 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,291 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,034 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,081 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,134 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,859 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,048 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,448 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,732 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,089 |
| States of India Map Quiz | 0 | - | 4.85 | 26,974 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,794 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,005 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,244 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,634 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,045 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,239 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,352 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,988 |
| 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 | 167,184 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,202 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,831 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,183 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,334 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,986 |
| Himalayan Countries | 0 | - | 4.93 | 140,886 |
| Andean Countries | 0 | - | 4.94 | 85,831 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,946 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,524 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,489 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,709 |
| Danube Countries | 0 | - | 4.97 | 72,573 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,822 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,988 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,471 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,945 |
| European Landlocked Countries | 0 | - | 4.99 | 147,785 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,556 |
| Countries with the Most Species | 0 | - | 4.99 | 103,656 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,661 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,819 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,961 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,934 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,688 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,145 |
| Countries in the Alps | 0 | - | 4.87 | 119,002 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,041 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,180 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,074 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,189 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,144 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,404 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,615 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,006 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,324 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,961 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,834 |
| 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 | 78,037 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,174 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,746 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,560 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,858 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,387 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,538 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,626 |
| Largest Countries By Category | 0 | - | 4.97 | 159,119 |
| Countries by Countries | 0 | - | 4.97 | 63,820 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,470 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,735 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,709 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,569 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,244 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,456 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,280 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,872 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,897 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,660 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,451 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,670 |
| Longest International Borders | 0 | - | 4.99 | 266,021 |
| Countries with Three Borders | 0 | - | 4.96 | 36,838 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,430 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,578 |
| Demonym of Every Country | 0 | - | 4.90 | 61,654 |
