| Boundary Waters | 0 | - | 4.92 | 87,991 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,176 |
| Landlocked Countries | 0 | - | 4.99 | 412,884 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,200 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,107 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,465 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,852,022 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,232 |
| Himalayan Countries | 0 | - | 4.95 | 135,055 |
| Andean Countries | 0 | - | 4.94 | 82,665 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,081 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,991 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,759 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,466 |
| Danube Countries | 0 | - | 4.97 | 71,001 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,636 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,456 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,291 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,197 |
| European Landlocked Countries | 0 | - | 4.99 | 145,668 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,053 |
| Countries with the Most Species | 0 | - | 4.99 | 95,187 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,194 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,908 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,510 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,868 |
| Countries in the Alps | 0 | - | 4.87 | 116,683 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,471 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,083 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,942 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,325 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,068 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,937 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,472 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,683 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,589 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,969 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,998 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,364 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,672 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,676 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,863 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,569 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,200 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,668 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,836 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,375 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,542 |
| Largest Countries By Category | 0 | - | 4.97 | 156,617 |
| Countries by Countries | 0 | - | 4.96 | 62,167 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,214 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,934 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,653 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,628 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,456 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,477 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,212 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,137 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,543 |
| Longest International Borders | 0 | - | 4.99 | 263,363 |
| Countries with Three Borders | 0 | - | 4.96 | 36,132 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,557 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,604 |
| Demonym of Every Country | 0 | - | 4.91 | 58,566 |
| Globe Grid | 0 | - | 4.32 | 31,927 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,259 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,680 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,849 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,019 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,942 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,832 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,000 |
| Island Countries | 0 | - | 4.99 | 707,239 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,350 |
| Northernmost Countries | 0 | - | 4.99 | 357,252 |
| Countries of South America | 0 | - | 5.00 | 913,390 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,625 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,196 |
| "Land" Countries | 0 | - | 4.98 | 333,412 |
| Top World Languages | 0 | - | 4.92 | 811,962 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,122 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,495 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,260 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,376 |
| Geography Mad Gab | 0 | - | 4.36 | 27,188 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,857 |
| Countries with Megacities | 0 | - | 4.99 | 246,187 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,779 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,733 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,247 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,670 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,574 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,811 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,564 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,513 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,477 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,220 |
| Countries by Capital City | 0 | - | 5.00 | 66,461 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,226 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,807 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,338 |
| Moved Capital Cities | 0 | - | 4.96 | 73,510 |
| Countries by Official Language | 0 | - | 4.95 | 192,586 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,868 |
| Countries in their Native Language | 0 | - | 4.99 | 196,469 |
| Independence from Whom | 0 | - | 4.99 | 209,463 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,584 |
| Megadiverse Countries | 0 | - | 4.97 | 133,830 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,649 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,373 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,546 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,938 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,592 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,059 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,177 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,714 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,376 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,361 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,427 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,445 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,606 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,978 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,342 |
| World Map Quiz | 0 | - | 4.81 | 63,356 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,211 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,220 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,152 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,877 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,852 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,506 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,766 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,961 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,172 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,877 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,252 |
| Widest Countries East to West | 0 | - | 4.92 | 128,520 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,075 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,624 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,517 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,947 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,031 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Countries with Double Letters | 0 | - | 4.97 | 93,216 |
| Countries that End in N | 0 | - | 4.94 | 156,283 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,486 |
| Countries with Six Letters | 0 | - | 4.93 | 210,188 |
| Countries with W | 0 | - | 4.97 | 158,096 |
| Countries with Z | 0 | - | 4.98 | 287,387 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,429 |
| Countries That End in U | 0 | - | 4.95 | 119,447 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,344 |
| Countries that End in O | 0 | - | 4.92 | 158,475 |
| Countries that End in R | 0 | - | 4.86 | 118,203 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,810 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,858 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,182 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,379 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,568 |
| Countries That End in Y | 0 | - | 4.90 | 185,152 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,176 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,545 |
| Countries that End in I | 0 | - | 4.94 | 134,306 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,016 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,142 |
| Countries That End in NIA | 0 | - | 4.92 | 108,929 |
| Countries That End in BIA | 0 | - | 4.92 | 147,610 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,970 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,406 |
| Countries That End in RIA | 0 | - | 4.93 | 126,011 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,918 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,975 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,430 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,806 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,241 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,869 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,025 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,549 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,390 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,767 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,685 |
| Countries that End in L | 0 | - | 4.94 | 155,638 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,665 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,965 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,455 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,224 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,367 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,209 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 198,941 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,829 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,051 |
