| Boundary Waters | 0 | - | 4.92 | 88,092 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,857 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,403 |
| Landlocked Countries | 0 | - | 4.99 | 414,494 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,223 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,231 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,975 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,203 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,993,644 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,962 |
| Himalayan Countries | 0 | - | 4.95 | 135,669 |
| Andean Countries | 0 | - | 4.94 | 83,012 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,365 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,416 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,056 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,726 |
| Danube Countries | 0 | - | 4.97 | 71,169 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,629 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,688 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,586 |
| European Landlocked Countries | 0 | - | 4.99 | 145,872 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,351 |
| Countries with the Most Species | 0 | - | 4.99 | 95,297 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,505 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,233 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,403 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,010 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,650 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,019 |
| Countries in the Alps | 0 | - | 4.86 | 116,970 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,674 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,435 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,100 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,505 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,285 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,081 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,683 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,832 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,577 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,140 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,229 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,095 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,524 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,823 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,825 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,269 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,728 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,305 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,919 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,791 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,970 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,681 |
| Largest Countries By Category | 0 | - | 4.97 | 156,902 |
| Countries by Countries | 0 | - | 4.96 | 62,351 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,537 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,996 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,850 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,802 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,519 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,619 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,260 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,681 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,693 |
| Longest International Borders | 0 | - | 4.99 | 263,964 |
| Countries with Three Borders | 0 | - | 4.96 | 36,245 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,648 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,743 |
| Demonym of Every Country | 0 | - | 4.91 | 58,726 |
| Globe Grid | 0 | - | 4.32 | 31,940 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,389 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,674 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,129 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,054 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,116 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,450 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,280 |
| Island Countries | 0 | - | 4.99 | 707,966 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,678 |
| Northernmost Countries | 0 | - | 4.99 | 358,221 |
| Countries of South America | 0 | - | 5.00 | 916,308 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,470 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,524 |
| "Land" Countries | 0 | - | 4.98 | 333,898 |
| Top World Languages | 0 | - | 4.92 | 814,317 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,191 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,550 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,270 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,621 |
| Geography Mad Gab | 0 | - | 4.36 | 27,242 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,675 |
| Countries with Megacities | 0 | - | 4.99 | 247,676 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,529 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,222 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,915 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,157 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,996 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,174 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,804 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,755 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,882 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,705 |
| Countries by Capital City | 0 | - | 5.00 | 66,900 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,463 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,020 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,497 |
| Moved Capital Cities | 0 | - | 4.96 | 73,693 |
| Countries by Official Language | 0 | - | 4.95 | 192,961 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,403 |
| Countries in their Native Language | 0 | - | 4.99 | 196,817 |
| Independence from Whom | 0 | - | 4.99 | 209,928 |
| Subdivisions by Country | 0 | - | 4.86 | 50,109 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,915 |
| Megadiverse Countries | 0 | - | 4.97 | 133,969 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,984 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,962 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,475 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,882 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,778 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,063 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,201 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,224 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,256 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,757 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,459 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,562 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,547 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,738 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,070 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,852 |
| World Map Quiz | 0 | - | 4.81 | 63,666 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,186 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,426 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,580 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,367 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,102 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,059 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,005 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,198 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,398 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,015 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,448 |
| Widest Countries East to West | 0 | - | 4.92 | 128,948 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,258 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,356 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,610 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,772 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,715 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,146 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,634 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,621 |
| Countries with Double Letters | 0 | - | 4.96 | 93,565 |
| Countries that End in N | 0 | - | 4.94 | 157,045 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,879 |
| Countries with Six Letters | 0 | - | 4.93 | 210,547 |
| Countries with W | 0 | - | 4.97 | 158,345 |
| Countries with Z | 0 | - | 4.98 | 288,073 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,665 |
| Countries That End in U | 0 | - | 4.95 | 119,584 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,761 |
| Countries that End in O | 0 | - | 4.92 | 158,615 |
| Countries that End in R | 0 | - | 4.87 | 118,332 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,901 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,276 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,458 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,582 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,126 |
| Countries That End in Y | 0 | - | 4.90 | 185,253 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,509 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,803 |
| Countries that End in I | 0 | - | 4.94 | 134,492 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,341 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,252 |
| Countries That End in NIA | 0 | - | 4.92 | 109,072 |
| Countries That End in BIA | 0 | - | 4.92 | 147,790 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,172 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,578 |
| Countries That End in RIA | 0 | - | 4.93 | 126,147 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,104 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,534 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,610 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,974 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,465 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,976 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,208 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,731 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,604 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,854 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,917 |
| Countries that End in L | 0 | - | 4.94 | 156,101 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,722 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,007 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,572 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,369 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,480 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,683 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,472 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 140,119 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,517 |
