| 407 Islands on the World Map | 0 | - | 4.98 | 27,420 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,011,767 |
| Island Countries Quiz | 0 | - | 4.99 | 637,808 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,593 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,950 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,964 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,456 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,688 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 79,847 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 110,260 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 50,730 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 108,428 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.81 | 65,107 |
| Top World Languages on a Map | 0 | - | 4.91 | 92,348 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 96,961 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,289 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,738 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,031,816 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,352,067 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,014 |
| World Capitals by Map | 0 | - | 5.00 | 237,775 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 49,874 |
| Countries of the World in 1900 | 0 | - | 4.88 | 64,712 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 168,472 |
| All Countries by Northernmost Point on Land | 0 | - | 4.91 | 104,980 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 53,421 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 125,956 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 46,425 |
| African East Coast | 0 | - | 4.97 | 83,219 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 30,511 |
| Boundary Waters | 0 | - | 4.93 | 80,420 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,723 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,316 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,423 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 58,981 |
| Pixelated World Map | 0 | - | 5.00 | 126,814 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 85,935 |
| Countries of the World in 1444 | 0 | - | 4.98 | 49,185 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,543 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 43,161 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 282,983 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,008 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,660 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 272,188 |
| World's Biggest Islands Quiz | 0 | - | 4.27 | 119,917 |
| Islands With the Highest Elevation | 0 | - | 4.58 | 16,988 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,762 |
| Most Populous Islands | 0 | - | 4.71 | 111,963 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,929 |
| People Born on Islands | 0 | - | 4.43 | 39,864 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,407,978 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,822 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,325 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 335,781 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 45,859 |
| Seas on the World Map | 0 | - | 4.98 | 120,613 |
| Seas of the World | 0 | - | 5.00 | 125,143 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,492 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 97,654 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,775 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 82,781 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,592 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,060 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,739 |
| World Capitals Quiz | 0 | - | 5.00 | 4,454,969 |
| Countries on the Equator | 0 | - | 4.82 | 132,059 |
| Members of the Arab League | 0 | - | 4.81 | 58,969 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,977 |
| Himalayan Countries | 0 | - | 4.95 | 102,285 |
| Andean Countries | 0 | - | 4.90 | 56,815 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,648 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,523 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,829 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,496 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,676 |
| Danube Countries | 0 | - | 4.97 | 56,333 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,363 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,573 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,226 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,722 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,321 |
| European Landlocked Countries | 0 | - | 4.99 | 114,808 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,691 |
| Countries with the Most Species | 0 | - | 4.99 | 89,069 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,750 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,415 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,788 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,718 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,083 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,429 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,630 |
| Countries in the Alps | 0 | - | 4.82 | 101,734 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,549 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,658 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,083 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,651 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,298 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,991 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,711 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,040 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,096 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,307 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,382 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,901 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,446 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,915 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,432 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,911 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,905 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,340 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,172 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,914 |
| Largest Countries By Category | 0 | - | 4.96 | 143,770 |
| Countries by Countries | 0 | - | 4.96 | 54,005 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,559 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,338 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,409 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 35,476 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,448 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 75,878 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,236 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,263 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,793 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,124 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,228 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 179,975 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,166 |
| Longest International Borders | 0 | - | 4.99 | 232,620 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,353 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,271 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,643 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 34,361 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,015 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 34,175 |
| Demonym of Every Country | 0 | - | 4.91 | 48,743 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,344 |
| Islands by Picture | 0 | - | 4.31 | 89,992 |
| Islands by Wikipedia Descriptions | 0 | - | 4.52 | 34,928 |
| Name a Valid Island | 0 | - | 4.67 | 53,465 |
| Island Superlatives | 0 | - | 4.58 | 32,444 |
| The Same Prefixes - Geography | 0 | - | 4.50 | 41,496 |
| "Second Best" Geography Edition #1 | 0 | - | 4.59 | 58,098 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 48,994 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,367,657 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 46,315 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,296 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,310 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.79 | 48,891 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 39,381 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,844 |
| Northernmost Countries | 0 | - | 4.99 | 325,140 |
| Countries of South America | 0 | - | 5.00 | 782,668 |
| Countries of Oceania | 0 | - | 5.00 | 880,734 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,103,619 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,549,040 |
| Top World Languages | 0 | - | 4.91 | 697,980 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 28,891 |
| Countries with Three Borders | 0 | - | 4.96 | 30,784 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,778 |
| Five Letter Geography #4 | 0 | - | 4.83 | 64,952 |
| Name a Valid Answer - Geography | 0 | - | 4.91 | 75,829 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,977 |
| Countries with Megacities | 0 | - | 4.99 | 194,495 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,229 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,743 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,534 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,609 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,770 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,926 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,009 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,632 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,570 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,802 |
| Countries by Capital City | 0 | - | 4.99 | 48,115 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,213 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 92,960 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,099 |
| Moved Capital Cities | 0 | - | 4.94 | 51,858 |
| Countries by Official Language | 0 | - | 4.95 | 153,338 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,393 |
| Countries in their Native Language | 0 | - | 4.98 | 176,838 |
| Independence from Whom | 0 | - | 4.99 | 182,728 |
| Subdivisions by Country | 0 | - | 4.82 | 46,154 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,738 |
| Megadiverse Countries | 0 | - | 4.96 | 124,660 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,800 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,099 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,567 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,480 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,249 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,947 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,749 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,762 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,303 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,459 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,869 |
| World Map Quiz | 0 | - | 4.90 | 48,012 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,671 |
