| Boundary Waters | 0 | - | 4.93 | 81,090 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,707 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,101 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,408 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,303 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,147 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,745 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,896,219 |
| Members of the Arab League | 0 | - | 4.85 | 61,764 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,813 |
| Himalayan Countries | 0 | - | 4.94 | 104,681 |
| Andean Countries | 0 | - | 4.91 | 58,036 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,972 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,286 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,630 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,012 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,259 |
| Danube Countries | 0 | - | 4.97 | 56,614 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,816 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,132 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,311 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,462 |
| European Landlocked Countries | 0 | - | 4.99 | 115,476 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,288 |
| Countries with the Most Species | 0 | - | 4.99 | 89,512 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,311 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,661 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,990 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,223 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,390 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,667 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,097 |
| Countries in the Alps | 0 | - | 4.84 | 102,571 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,252 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,977 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,540 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,193 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,895 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,502 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,114 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,292 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,610 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,381 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,560 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,431 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,912 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,420 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,901 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,298 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,343 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,921 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,745 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,250 |
| Largest Countries By Category | 0 | - | 4.96 | 144,797 |
| Countries by Countries | 0 | - | 4.96 | 54,594 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,664 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,128 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,527 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,093 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,642 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,487 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,156 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,859 |
| Longest International Borders | 0 | - | 4.99 | 234,048 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,910 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,010 |
| Demonym of Every Country | 0 | - | 4.91 | 49,479 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,756 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,247 |
| World Map Divided into Regions | 0 | - | 4.17 | 35,400 |
| World Capitals Quiz | 0 | - | 5.00 | 4,495,155 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,067,946 |
| Countries with Three Borders | 0 | - | 4.96 | 31,386 |
| Huge List of Famous Mountains | 0 | - | 4.81 | 30,346 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,381,804 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,940 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 355,225 |
| Island Countries Quiz | 0 | - | 4.99 | 660,203 |
| Biggest Countries by Area | 0 | - | 5.00 | 932,472 |
| Northernmost Countries | 0 | - | 4.99 | 326,982 |
| Countries of South America | 0 | - | 5.00 | 792,563 |
| Countries of Oceania | 0 | - | 5.00 | 892,793 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,148,967 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,571,085 |
| Top World Languages | 0 | - | 4.91 | 707,211 |
| Analogies of Countries #1 | 0 | - | 4.84 | 50,269 |
| Globe Grid | 0 | - | 4.28 | 31,398 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,705 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.14 | 15,373 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,750 |
| Countries with Megacities | 0 | - | 4.99 | 197,016 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,359 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,841 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,228 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,801 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,707 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,406 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,953 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,685 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,307 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,730 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,120 |
| Countries by Capital City | 0 | - | 4.99 | 49,294 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,869 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,014 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,897 |
| Moved Capital Cities | 0 | - | 4.94 | 52,235 |
| Countries by Official Language | 0 | - | 4.96 | 171,453 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,078 |
| Countries in their Native Language | 0 | - | 4.98 | 178,218 |
| Independence from Whom | 0 | - | 4.99 | 185,445 |
| Subdivisions by Country | 0 | - | 4.82 | 46,420 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,365 |
| Megadiverse Countries | 0 | - | 4.96 | 125,273 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,300 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,636 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,364 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,520 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,105 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,821 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,075 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,011 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,329 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,758 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,568 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,967 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,941 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,510 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,237 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 82,071 |
| World Map Quiz | 0 | - | 4.90 | 49,314 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,443 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,617 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,847 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,949 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,488 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,266 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,540 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,239 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,910 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,403 |
| Widest Countries East to West | 0 | - | 4.93 | 119,322 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,809 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,944 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,630 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,483 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,786 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,116 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,441 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,038 |
| Countries with Double Letters | 0 | - | 4.96 | 68,288 |
| Countries that End in N | 0 | - | 4.94 | 132,635 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,654 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,968 |
| Countries with W | 0 | - | 4.96 | 122,666 |
| Countries with Z | 0 | - | 4.98 | 244,348 |
| Countries with Letters Missing | 0 | - | 4.97 | 163,389 |
| Countries That End in U | 0 | - | 4.95 | 107,533 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,428 |
| Countries that End in O | 0 | - | 4.92 | 146,905 |
| Countries that End in R | 0 | - | 4.85 | 96,458 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,217 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,285 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,732 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,200 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,257 |
| Countries That End in Y | 0 | - | 4.90 | 161,612 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,950 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,725 |
| Countries that End in I | 0 | - | 4.92 | 114,488 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,507 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,253 |
| Countries That End in NIA | 0 | - | 4.93 | 100,822 |
| Countries That End in BIA | 0 | - | 4.91 | 126,053 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,225 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,719 |
| Countries That End in RIA | 0 | - | 4.90 | 100,939 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,416 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,655 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,638 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,529 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,340 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,213 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,690 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,805 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,690 |
| Countries that End in L | 0 | - | 4.95 | 134,256 |
| "Land" Countries | 0 | - | 4.98 | 289,155 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,787 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,170 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,260 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,168 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,584 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,822 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,163 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,439 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,927 |
