| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,966 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,955 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,111 |
| Closest Capital City Pairs #1 | 0 | - | 4.97 | 75,448 |
| Closest Capital City Pairs #2 | 0 | - | 4.95 | 75,510 |
| Boundary Waters | 0 | - | 4.92 | 88,357 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,059 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,874 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 121,105 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 245,601 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 203,010 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 79,938 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,128 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,521 |
| Landlocked Countries | 0 | - | 4.99 | 418,389 |
| Countries With the Most Neighbors | 0 | - | 4.47 | 100,868 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,301,012 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,480 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,581 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,596 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,825 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,702 |
| Himalayan Countries | 0 | - | 4.94 | 137,174 |
| Andean Countries | 0 | - | 4.95 | 83,795 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,041 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,443 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,267 |
| Danube Countries | 0 | - | 4.97 | 71,598 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,464 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,998 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,544 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,607 |
| European Landlocked Countries | 0 | - | 4.99 | 146,706 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,044 |
| Countries with the Most Species | 0 | - | 4.99 | 102,842 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,182 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,410 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,565 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,268 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,939 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,319 |
| Countries in the Alps | 0 | - | 4.87 | 117,604 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,080 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,374 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,925 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,032 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,405 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,212 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,138 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,935 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,509 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,449 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,308 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,882 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,156 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,172 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,075 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,024 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,541 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,447 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,115 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,103 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,955 |
| Largest Countries By Category | 0 | - | 4.97 | 157,551 |
| Countries by Countries | 0 | - | 4.96 | 62,792 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,137 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,147 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,461 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,277 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,320 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,716 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,189 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,380 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,967 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,039 |
| Longest International Borders | 0 | - | 4.99 | 264,583 |
| Countries with Three Borders | 0 | - | 4.96 | 36,431 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,889 |
| Demonym of Every Country | 0 | - | 4.91 | 59,112 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,599 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,416 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,758 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,028 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,882 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,276 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,140 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,543 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,974 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,467 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,857 |
| Island Countries | 0 | - | 4.99 | 709,547 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,540 |
| Northernmost Countries | 0 | - | 4.99 | 360,247 |
| Countries of South America | 0 | - | 5.00 | 922,303 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,183 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,971 |
| "Land" Countries | 0 | - | 4.98 | 335,682 |
| Top World Languages | 0 | - | 4.92 | 819,693 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,326 |
| Globe Grid | 0 | - | 4.32 | 31,979 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,665 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,112 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,857 |
| Countries with Megacities | 0 | - | 4.99 | 254,973 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,717 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,898 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,013 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,888 |
| Nearest Major City #2 | 0 | - | 4.15 | 16,165 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,792 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,891 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,207 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,232 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,894 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,528 |
| Countries by Capital City | 0 | - | 5.00 | 67,856 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,928 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,427 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,922 |
| Moved Capital Cities | 0 | - | 4.96 | 74,014 |
| Countries by Official Language | 0 | - | 4.95 | 194,557 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,419 |
| Countries in their Native Language | 0 | - | 4.99 | 198,103 |
| Independence from Whom | 0 | - | 4.99 | 211,213 |
| Subdivisions by Country | 0 | - | 4.86 | 50,267 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,621 |
| Megadiverse Countries | 0 | - | 4.96 | 134,737 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,383 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,159 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,724 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,001 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,658 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,345 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,902 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,803 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,464 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,851 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,682 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,753 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,303 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,670 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,064 |
| World Map Quiz | 0 | - | 4.81 | 64,430 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,347 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,976 |
| Countries by Founding Story | 0 | - | 4.95 | 77,023 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,413 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,881 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,592 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,214 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,474 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,644 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,788 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,236 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,242 |
| Widest Countries East to West | 0 | - | 4.92 | 129,325 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,375 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,902 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,982 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,481 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,164 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,503 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,219 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,717 |
| Countries with Double Letters | 0 | - | 4.97 | 95,010 |
| Countries that End in N | 0 | - | 4.95 | 169,800 |
| Countries with Five Letters | 0 | - | 4.96 | 279,600 |
| Countries with Six Letters | 0 | - | 4.94 | 212,377 |
| Countries with W | 0 | - | 4.97 | 159,462 |
| Countries with Z | 0 | - | 4.98 | 289,710 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,665 |
| Countries That End in U | 0 | - | 4.95 | 120,379 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,683 |
| Countries that End in O | 0 | - | 4.92 | 159,167 |
| Countries that End in R | 0 | - | 4.87 | 118,714 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,491 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,231 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,058 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,051 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,637 |
| Countries That End in Y | 0 | - | 4.90 | 185,628 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,166 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,360 |
| Countries that End in I | 0 | - | 4.94 | 134,837 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,019 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,552 |
| Countries That End in NIA | 0 | - | 4.92 | 109,490 |
| Countries That End in BIA | 0 | - | 4.93 | 148,802 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,661 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,015 |
| Countries That End in RIA | 0 | - | 4.93 | 126,498 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,587 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,564 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,163 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,503 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,059 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,290 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,643 |
