| 407 Islands on the World Map | 0 | - | 4.98 | 30,990 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,344,924 |
| Island Countries Quiz | 0 | - | 4.99 | 686,446 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,232,333 |
| Global Cities on a World Map | 0 | - | 4.94 | 96,573 |
| Find the City #1 | 0 | - | 4.97 | 38,170 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,246 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,202 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,662 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,033 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 96,089 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,860 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 99,948 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 57,429 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 127,354 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.83 | 71,250 |
| Top World Languages on a Map | 0 | - | 4.92 | 97,420 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 106,897 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 42,870 |
| Islands by Shape #2 | 0 | - | 4.87 | 46,705 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,601,235 |
| Largest Arctic Islands with a Map | 0 | - | 4.45 | 19,842 |
| World Capitals by Map | 0 | - | 5.00 | 262,213 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.96 | 53,507 |
| Countries of the World in 1900 | 0 | - | 4.88 | 74,472 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 181,427 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 116,170 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.95 | 58,061 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 138,026 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 32,899 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 48,336 |
| African East Coast | 0 | - | 4.96 | 89,473 |
| Boundary Waters | 0 | - | 4.93 | 84,666 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,410 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 89,986 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 53,614 |
| "Second Best" Geography Edition #2 | 0 | - | 4.85 | 55,772 |
| "Second Best" Geography Edition #3 | 0 | - | 4.88 | 65,142 |
| Pixelated World Map | 0 | - | 5.00 | 135,519 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 92,953 |
| Countries of the World in 1444 | 0 | - | 4.98 | 55,529 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 52,933 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 45,873 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 75,786 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 76,078 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 46,771 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,890 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,792 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 219,753 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 290,520 |
| World's Biggest Islands | 0 | - | 4.27 | 123,249 |
| Islands With the Highest Elevation | 0 | - | 4.59 | 17,496 |
| Most Populous Islands | 0 | - | 4.77 | 117,495 |
| Islands by Largest City #1 | 0 | - | 4.46 | 92,974 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,765,237 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 375,398 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,597 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 448,757 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,294 |
| Seas on the World Map | 0 | - | 4.97 | 127,763 |
| Seas of the World | 0 | - | 5.00 | 140,821 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 89,843 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 111,583 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,337 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 89,830 |
| Islands by Largest City #2 | 0 | - | 4.75 | 28,410 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,204 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,255 |
| World Capitals Quiz | 0 | - | 5.00 | 4,761,122 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,212 |
| Himalayan Countries | 0 | - | 4.95 | 119,207 |
| Andean Countries | 0 | - | 4.92 | 66,847 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,371 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,796 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,430 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,081 |
| Danube Countries | 0 | - | 4.97 | 60,022 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,750 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,064 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,660 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,546 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 134,977 |
| European Landlocked Countries | 0 | - | 4.99 | 140,220 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,627 |
| Countries with the Most Species | 0 | - | 4.99 | 91,811 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,078 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,355 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,476 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,873 |
| Countries that Use the Peso | 0 | - | 4.84 | 49,012 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,430 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,891 |
| Countries in the Alps | 0 | - | 4.86 | 109,236 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,882 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,141 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,787 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,694 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,718 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,228 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,164 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,182 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,471 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,109 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,220 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,796 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 38,677 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,492 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,192 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,844 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,355 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,256 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,189 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,676 |
| World Countries - Blind Typing | 0 | - | 5.00 | 83,054 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,526 |
| Largest Countries By Category | 0 | - | 4.97 | 150,212 |
| Countries by Countries | 0 | - | 4.96 | 57,847 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,434 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,396 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,069 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.74 | 39,459 |
| All Countries by Population With a Map | 0 | - | 4.98 | 90,962 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,172 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,028 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,420,638 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 139,901 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,150 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 62,865 |
| Who Controls It? #1 | 0 | - | 4.82 | 46,894 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 31,758 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 187,726 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 113,867 |
| Longest International Borders | 0 | - | 4.99 | 242,361 |
| Countries with Three Borders | 0 | - | 4.96 | 33,809 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 38,810 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 43,854 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 48,859 |
| Mediterranean Geography on a Map | 0 | - | 4.48 | 35,902 |
| Roman Provinces on a Map | 0 | - | 4.53 | 34,135 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,470 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 35,677 |
| Demonym of Every Country | 0 | - | 4.92 | 54,295 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,626 |
| People Born on Islands | 0 | - | 4.35 | 41,263 |
| Islands by Picture | 0 | - | 4.29 | 99,368 |
| Islands by Wikipedia Descriptions | 0 | - | 4.53 | 36,188 |
| Name a Valid Island | 0 | - | 4.70 | 57,281 |
| Island Superlatives | 0 | - | 4.56 | 33,596 |
| Pacific Ocean General Knowledge | 0 | - | 4.65 | 35,484 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 45,032 |
| "Second Best" Geography Edition #1 | 0 | - | 4.65 | 61,092 |
| Mediterranean Cities by Map | 0 | - | 4.50 | 50,219 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,474,156 |
| World Capitals on an Empty Map | 0 | - | 4.62 | 50,438 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,348 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,460 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 42,480 |
| Biggest Countries by Area | 0 | - | 5.00 | 981,534 |
| Northernmost Countries | 0 | - | 4.99 | 340,491 |
| Countries of South America | 0 | - | 5.00 | 851,445 |
| Countries of Oceania | 0 | - | 5.00 | 962,520 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,704,222 |
| Top World Languages | 0 | - | 4.91 | 759,732 |
| Analogies of Countries #1 | 0 | - | 4.87 | 65,848 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 98,209 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 156,236 |
| Countries with Megacities | 0 | - | 4.99 | 215,314 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,871 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,265 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 122,568 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,054 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 267,062 |
| Northernmost Capital Cities | 0 | - | 4.98 | 101,147 |
| Most Remote Capital Cities | 0 | - | 4.90 | 47,975 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,154 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 99,093 |
| Same Letter Country and Capital | 0 | - | 4.99 | 136,713 |
| Countries by Capital City | 0 | - | 5.00 | 57,452 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 70,818 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,290 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 78,201 |
| Moved Capital Cities | 0 | - | 4.95 | 70,064 |
| World Capitals with a Unique First Letter | 0 | - | 4.81 | 59,673 |
| Countries by Official Language | 0 | - | 4.95 | 182,424 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 279,774 |
| Countries in their Native Language | 0 | - | 4.98 | 187,354 |
| Independence from Whom | 0 | - | 4.99 | 197,809 |
| Subdivisions by Country | 0 | - | 4.86 | 48,223 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,143 |
| Megadiverse Countries | 0 | - | 4.96 | 129,961 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,479 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,131 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,916 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,123 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,434 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,137 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,288 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,221 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,416 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,765 |
