| Island Countries Quiz | 0 | - | 4.99 | 689,838 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 119,598 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,241 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,304 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,513 |
| Islands by Shape #2 | 0 | - | 4.85 | 47,124 |
| 407 Islands on the World Map | 0 | - | 4.98 | 31,613 |
| Boundary Waters | 0 | - | 4.93 | 85,242 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,880 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,050 |
| Most Populous Islands | 0 | - | 4.77 | 118,363 |
| Islands by Largest City #1 | 0 | - | 4.46 | 93,052 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 381,027 |
| Largest World's Islands on the World Map | 0 | - | 4.64 | 166,204 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,196,216 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,813 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 90,577 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,298 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,142 |
| Sahara Desert Countries | 0 | - | 4.97 | 144,823 |
| Himalayan Countries | 0 | - | 4.95 | 121,540 |
| Andean Countries | 0 | - | 4.92 | 68,283 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,369 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,521 |
| Coffee Producing Countries | 0 | - | 4.82 | 59,571 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 59,011 |
| Danube Countries | 0 | - | 4.97 | 60,678 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,592 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,711 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,066 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,110 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,533 |
| European Landlocked Countries | 0 | - | 4.99 | 140,831 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,780 |
| Countries with the Most Species | 0 | - | 4.99 | 92,228 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,200 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,624 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,721 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,422 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,132 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,830 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,488 |
| Countries in the Alps | 0 | - | 4.86 | 110,171 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,518 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,402 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,256 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,535 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,404 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,782 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,802 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,688 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,869 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,632 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,615 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,152 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,011 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,002 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,687 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,356 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,587 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,685 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,592 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,203 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,415 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,972 |
| Largest Countries By Category | 0 | - | 4.97 | 151,077 |
| Countries by Countries | 0 | - | 4.96 | 58,295 |
| Country Flags with the Most White | 0 | - | 4.87 | 131,834 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,589 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,263 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,720 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,465 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,587 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,274 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,094 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 197,297 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 114,974 |
| Longest International Borders | 0 | - | 4.99 | 243,402 |
| Countries with Three Borders | 0 | - | 4.96 | 34,180 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,228 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,504 |
| Demonym of Every Country | 0 | - | 4.92 | 54,816 |
| Islands by Largest City #2 | 0 | - | 4.75 | 28,512 |
| World Capitals Quiz | 0 | - | 5.00 | 4,795,318 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,396,566 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,462,740 |
| Largest Arctic Islands with a Map | 0 | - | 4.45 | 19,937 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,787 |
| People Born on Islands | 0 | - | 4.35 | 41,377 |
| Islands by Picture | 0 | - | 4.28 | 100,304 |
| Pacific Ocean General Knowledge | 0 | - | 4.64 | 35,605 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,486,910 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,582 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,546 |
| Biggest Countries by Area | 0 | - | 5.00 | 987,899 |
| Northernmost Countries | 0 | - | 4.99 | 342,202 |
| Countries of South America | 0 | - | 5.00 | 860,109 |
| Countries of Oceania | 0 | - | 5.00 | 972,612 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,725,313 |
| Top World Languages | 0 | - | 4.91 | 766,621 |
| Analogies of Countries #1 | 0 | - | 4.88 | 66,232 |
| Globe Grid | 0 | - | 4.31 | 31,673 |
| Largest Deserts in the World | 0 | - | 4.02 | 42,615 |
| World Map Divided into Regions | 0 | - | 4.18 | 38,917 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 98,938 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,276 |
| Countries with Megacities | 0 | - | 4.99 | 217,407 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,317 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,032 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,324 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,951 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,256 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,205 |
| Northernmost Capital Cities | 0 | - | 4.98 | 102,036 |
| Most Remote Capital Cities | 0 | - | 4.90 | 48,525 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,735 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 100,179 |
| Same Letter Country and Capital | 0 | - | 4.99 | 138,070 |
| Countries by Capital City | 0 | - | 5.00 | 58,564 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 71,488 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,841 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 78,926 |
| Moved Capital Cities | 0 | - | 4.95 | 70,485 |
| Countries by Official Language | 0 | - | 4.95 | 183,718 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,544 |
| Countries in their Native Language | 0 | - | 4.98 | 188,527 |
| Independence from Whom | 0 | - | 4.99 | 199,509 |
| Subdivisions by Country | 0 | - | 4.86 | 48,473 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,490 |
| Megadiverse Countries | 0 | - | 4.96 | 130,349 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,804 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,282 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,390 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 86,241 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 148,910 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,381 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 66,968 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,793 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,872 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,116 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,076 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,252,059 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,779 |
| World Map Quiz | 0 | - | 4.88 | 57,428 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 134,344 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,583 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,294 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,532 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,416 |
| Countries With the Most Languages | 0 | - | 4.89 | 188,863 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,424 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,421 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,443 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,255 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,467 |
| Widest Countries East to West | 0 | - | 4.92 | 124,599 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,171 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 174,133 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,400 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,166 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,254 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,199 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,992 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,510 |
| Countries with Double Letters | 0 | - | 4.96 | 81,654 |
| Countries that End in N | 0 | - | 4.93 | 145,565 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 245,440 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,063 |
| Countries with W | 0 | - | 4.97 | 132,947 |
| Countries with Z | 0 | - | 4.98 | 275,342 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,168 |
| Countries That End in U | 0 | - | 4.95 | 113,947 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 99,922 |
| Countries that End in O | 0 | - | 4.91 | 154,150 |
| Countries that End in R | 0 | - | 4.84 | 99,801 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,816 |
| Countries Ending in "IA" | 0 | - | 4.99 | 197,850 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,151 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,735 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,481 |
| Countries That End in Y | 0 | - | 4.91 | 182,024 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,077 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,332 |
| Countries that End in I | 0 | - | 4.92 | 117,362 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,212 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,132 |
| Countries That End in NIA | 0 | - | 4.92 | 105,043 |
| Countries That End in BIA | 0 | - | 4.91 | 142,634 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,145 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,644 |
| Countries That End in RIA | 0 | - | 4.90 | 105,385 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,782 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,046 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,090 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 118,923 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,737 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,502 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,583 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,866 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,180 |