| Island Countries Quiz | 0 | - | 4.99 | 690,142 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,299 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,338 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,370 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,572 |
| 407 Islands on the World Map | 0 | - | 4.98 | 31,677 |
| Islands by Shape #2 | 0 | - | 4.87 | 47,170 |
| Boundary Waters | 0 | - | 4.93 | 85,288 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,912 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,133 |
| Islands With the Highest Elevation | 0 | - | 4.59 | 17,579 |
| Most Populous Islands | 0 | - | 4.77 | 118,416 |
| Islands by Largest City #1 | 0 | - | 4.46 | 93,058 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 381,530 |
| Largest World's Islands on the World Map | 0 | - | 4.64 | 166,327 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,239,577 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,847 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,406 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,238 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,063 |
| Himalayan Countries | 0 | - | 4.95 | 121,737 |
| Andean Countries | 0 | - | 4.92 | 68,404 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,470 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,672 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,672 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 59,099 |
| Danube Countries | 0 | - | 4.97 | 60,723 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,690 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,765 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,229 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,356 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,738 |
| European Landlocked Countries | 0 | - | 4.99 | 140,888 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,868 |
| Countries with the Most Species | 0 | - | 4.99 | 92,266 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,299 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,738 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,473 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,212 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,869 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,548 |
| Countries in the Alps | 0 | - | 4.86 | 110,265 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,589 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,535 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,300 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,602 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,476 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,849 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,866 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,750 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,899 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,683 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,647 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,191 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,041 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,063 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,747 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,406 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,718 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,718 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,635 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,478 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,634 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,020 |
| Largest Countries By Category | 0 | - | 4.97 | 151,164 |
| Countries by Countries | 0 | - | 4.96 | 58,341 |
| Country Flags with the Most White | 0 | - | 4.87 | 131,926 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,612 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,297 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,804 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,521 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,617 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,331 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,116 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 197,589 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,009 |
| Longest International Borders | 0 | - | 4.99 | 243,502 |
| Countries with Three Borders | 0 | - | 4.96 | 34,208 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,266 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,561 |
| Demonym of Every Country | 0 | - | 4.92 | 54,888 |
| Islands by Largest City #2 | 0 | - | 4.75 | 28,524 |
| World Capitals Quiz | 0 | - | 5.00 | 4,799,240 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,400,078 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,466,577 |
| Largest Arctic Islands with a Map | 0 | - | 4.45 | 19,947 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,807 |
| People Born on Islands | 0 | - | 4.35 | 41,389 |
| Islands by Picture | 0 | - | 4.28 | 100,406 |
| Pacific Ocean General Knowledge | 0 | - | 4.64 | 35,621 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,488,232 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,789 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,842 |
| Biggest Countries by Area | 0 | - | 5.00 | 988,550 |
| Northernmost Countries | 0 | - | 4.99 | 342,448 |
| Countries of South America | 0 | - | 5.00 | 861,134 |
| Countries of Oceania | 0 | - | 5.00 | 973,670 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,727,375 |
| Top World Languages | 0 | - | 4.91 | 767,355 |
| Analogies of Countries #1 | 0 | - | 4.88 | 66,290 |
| Globe Grid | 0 | - | 4.31 | 31,677 |
| Largest Deserts in the World | 0 | - | 4.02 | 42,623 |
| World Map Divided into Regions | 0 | - | 4.18 | 38,966 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 99,054 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,498 |
| Countries with Megacities | 0 | - | 4.99 | 217,605 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,479 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,119 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,466 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,049 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,511 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,259 |
| Northernmost Capital Cities | 0 | - | 4.98 | 102,117 |
| Most Remote Capital Cities | 0 | - | 4.90 | 48,572 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,798 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 100,272 |
| Same Letter Country and Capital | 0 | - | 4.99 | 138,184 |
| Countries by Capital City | 0 | - | 5.00 | 58,689 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 71,555 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,921 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 78,992 |
| Moved Capital Cities | 0 | - | 4.95 | 70,528 |
| Countries by Official Language | 0 | - | 4.95 | 183,890 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,757 |
| Countries in their Native Language | 0 | - | 4.98 | 188,675 |
| Independence from Whom | 0 | - | 4.99 | 199,658 |
| Subdivisions by Country | 0 | - | 4.86 | 48,494 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,605 |
| Megadiverse Countries | 0 | - | 4.96 | 130,419 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,951 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,298 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,430 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,688 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,947 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,392 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,145 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,821 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,906 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,158 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,113 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,254,054 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,950 |
| World Map Quiz | 0 | - | 4.87 | 57,573 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 134,643 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,659 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,460 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,649 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,523 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,053 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,492 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,518 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,528 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,316 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,547 |
| Widest Countries East to West | 0 | - | 4.92 | 124,673 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,188 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 178,419 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,421 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,222 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,342 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,268 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,025 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,540 |
| Countries with Double Letters | 0 | - | 4.96 | 81,891 |
| Countries that End in N | 0 | - | 4.93 | 145,757 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 245,709 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,259 |
| Countries with W | 0 | - | 4.97 | 138,455 |
| Countries with Z | 0 | - | 4.98 | 275,624 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,297 |
| Countries That End in U | 0 | - | 4.95 | 114,082 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,162 |
| Countries that End in O | 0 | - | 4.91 | 154,243 |
| Countries that End in R | 0 | - | 4.84 | 99,856 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,866 |
| Countries Ending in "IA" | 0 | - | 4.99 | 197,993 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,232 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,793 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,549 |
| Countries That End in Y | 0 | - | 4.91 | 182,079 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,183 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,414 |
| Countries that End in I | 0 | - | 4.92 | 117,405 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,304 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,184 |
| Countries That End in NIA | 0 | - | 4.92 | 105,089 |
| Countries That End in BIA | 0 | - | 4.91 | 142,707 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,218 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,703 |
| Countries That End in RIA | 0 | - | 4.90 | 105,431 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 105,851 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,185 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,171 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,006 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,853 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,142 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,557 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,656 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,940 |
