| Boundary Waters | 0 | - | 4.92 | 88,483 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,177 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,116 |
| Landlocked Countries | 0 | - | 4.99 | 420,745 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,476,044 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,618 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,155 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,215 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,832 |
| Himalayan Countries | 0 | - | 4.95 | 138,170 |
| Andean Countries | 0 | - | 4.95 | 84,304 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,529 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,405 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,159 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,595 |
| Danube Countries | 0 | - | 4.97 | 71,854 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,829 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,260 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,019 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,472 |
| European Landlocked Countries | 0 | - | 4.99 | 146,995 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,404 |
| Countries with the Most Species | 0 | - | 4.99 | 103,111 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,561 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,519 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,667 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,457 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,130 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,522 |
| Countries in the Alps | 0 | - | 4.87 | 117,987 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,815 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,763 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,557 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,469 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,338 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,842 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,490 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,362 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,089 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,717 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,573 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,428 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,086 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,362 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,385 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,587 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,707 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,840 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,295 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,726 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,125 |
| Largest Countries By Category | 0 | - | 4.97 | 157,966 |
| Countries by Countries | 0 | - | 4.97 | 63,041 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,487 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,226 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,531 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,582 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,803 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,374 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,447 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,637 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,204 |
| Longest International Borders | 0 | - | 4.99 | 264,967 |
| Countries with Three Borders | 0 | - | 4.96 | 36,541 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,025 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,140 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,260 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,965 |
| Demonyms Quiz | 0 | - | 4.15 | 185,211 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,316 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,467 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,934 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,108 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,384 |
| Island Countries | 0 | - | 4.99 | 710,514 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,161 |
| Northernmost Countries | 0 | - | 4.99 | 361,341 |
| Countries of South America | 0 | - | 5.00 | 925,352 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,381 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,555 |
| "Land" Countries | 0 | - | 4.98 | 336,757 |
| Top World Languages | 0 | - | 4.92 | 822,516 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,403 |
| Globe Grid | 0 | - | 4.32 | 31,997 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,823 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,381 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,534 |
| Countries with Megacities | 0 | - | 4.99 | 263,579 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,375 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,289 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,653 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,325 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,182 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,277 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,430 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,524 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,261 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,040 |
| Countries by Capital City | 0 | - | 5.00 | 68,318 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,188 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,669 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,223 |
| Moved Capital Cities | 0 | - | 4.96 | 74,223 |
| Countries by Official Language | 0 | - | 4.95 | 194,984 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,006 |
| Countries in their Native Language | 0 | - | 4.99 | 198,491 |
| Independence from Whom | 0 | - | 4.99 | 211,761 |
| Subdivisions by Country | 0 | - | 4.86 | 50,371 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,015 |
| Megadiverse Countries | 0 | - | 4.96 | 134,902 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,827 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,273 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,856 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,064 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,944 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,496 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,247 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,573 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,382 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,801 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,111 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,883 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,258 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,424 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,278 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,760 |
| World Map Quiz | 0 | - | 4.81 | 64,902 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,512 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,212 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,827 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,118 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,849 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,831 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,752 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,884 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,189 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,366 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,458 |
| Widest Countries East to West | 0 | - | 4.92 | 129,527 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,419 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,205 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,073 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,652 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,432 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,720 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,320 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,770 |
| Countries with Double Letters | 0 | - | 4.97 | 95,687 |
| Countries that End in N | 0 | - | 4.95 | 170,671 |
| Countries with Five Letters | 0 | - | 4.96 | 281,709 |
| Countries with Six Letters | 0 | - | 4.94 | 213,077 |
| Countries with W | 0 | - | 4.97 | 159,966 |
| Countries with Z | 0 | - | 4.98 | 290,911 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,298 |
| Countries That End in U | 0 | - | 4.95 | 120,640 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,130 |
| Countries that End in O | 0 | - | 4.92 | 159,366 |
| Countries that End in R | 0 | - | 4.87 | 118,852 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,623 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,734 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,404 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,279 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,890 |
| Countries That End in Y | 0 | - | 4.91 | 185,771 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,596 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,660 |
| Countries that End in I | 0 | - | 4.94 | 134,988 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,784 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,708 |
| Countries That End in NIA | 0 | - | 4.92 | 109,652 |
| Countries That End in BIA | 0 | - | 4.93 | 149,022 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,915 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,256 |
| Countries That End in RIA | 0 | - | 4.93 | 126,683 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,831 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,203 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,472 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,861 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,412 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,457 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,858 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,385 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,350 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,318 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,080 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,783 |
| Countries that End in L | 0 | - | 4.94 | 156,697 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,951 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,216 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,928 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,850 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,894 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,477 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,440 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,833 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,369 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,874 |
