| Boundary Waters | 0 | - | 4.92 | 88,457 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,069 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,445,327 |
| Landlocked Countries | 0 | - | 4.99 | 420,304 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,587 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,160 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,616 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,630 |
| Himalayan Countries | 0 | - | 4.95 | 138,029 |
| Andean Countries | 0 | - | 4.95 | 84,225 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,450 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,257 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,092 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,531 |
| Danube Countries | 0 | - | 4.97 | 71,808 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,752 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,198 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,929 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,346 |
| European Landlocked Countries | 0 | - | 4.99 | 146,944 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,341 |
| Countries with the Most Species | 0 | - | 4.99 | 103,071 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,506 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,492 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,649 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,430 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,111 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,495 |
| Countries in the Alps | 0 | - | 4.87 | 117,935 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,014 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,662 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,535 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,429 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,279 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,824 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,452 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,319 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,064 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,685 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,555 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,413 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,054 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,334 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,347 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,490 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,161 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,672 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,784 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,081 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,620 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,092 |
| Largest Countries By Category | 0 | - | 4.97 | 157,896 |
| Countries by Countries | 0 | - | 4.97 | 62,992 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,438 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,212 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,489 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,470 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,549 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,345 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,438 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,543 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,172 |
| Longest International Borders | 0 | - | 4.99 | 264,915 |
| Countries with Three Borders | 0 | - | 4.96 | 36,522 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,007 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,119 |
| Demonym of Every Country | 0 | - | 4.91 | 59,915 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,139 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,040 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,997 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,136 |
| Island Countries | 0 | - | 4.99 | 710,314 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,665 |
| Northernmost Countries | 0 | - | 4.99 | 361,148 |
| Countries of South America | 0 | - | 5.00 | 924,850 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,717 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,377 |
| "Land" Countries | 0 | - | 4.98 | 336,144 |
| Top World Languages | 0 | - | 4.92 | 822,013 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,219 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,526 |
| All Country Flags of the World | 0 | - | 5.00 | 3,662,978 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,390 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,309 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,338 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,450 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,271 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,425 |
| Countries with Megacities | 0 | - | 4.99 | 263,216 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,260 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,223 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,554 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,255 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,618 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,097 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,224 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,389 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,472 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,200 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,957 |
| Countries by Capital City | 0 | - | 5.00 | 68,238 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,149 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,634 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,352 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,175 |
| Moved Capital Cities | 0 | - | 4.96 | 74,196 |
| Countries by Official Language | 0 | - | 4.95 | 194,905 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,903 |
| Countries in their Native Language | 0 | - | 4.99 | 198,435 |
| Independence from Whom | 0 | - | 4.99 | 211,678 |
| Subdivisions by Country | 0 | - | 4.86 | 50,352 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,949 |
| Megadiverse Countries | 0 | - | 4.96 | 134,869 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,764 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,250 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,840 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,056 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,892 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,468 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,192 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,928 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,555 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,032 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,318 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,786 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,086 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,857 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,248 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,407 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,605 |
| World Map Quiz | 0 | - | 4.81 | 64,842 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,330 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,175 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,755 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,076 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,813 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,732 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,693 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,833 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,957 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,344 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,421 |
| Widest Countries East to West | 0 | - | 4.92 | 129,490 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,147 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,053 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,632 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,398 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,693 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,305 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,758 |
| Countries with Double Letters | 0 | - | 4.97 | 95,361 |
| Countries that End in N | 0 | - | 4.95 | 170,397 |
| Countries with Five Letters | 0 | - | 4.96 | 281,299 |
| Countries with Six Letters | 0 | - | 4.94 | 212,808 |
| Countries with W | 0 | - | 4.97 | 159,709 |
| Countries with Z | 0 | - | 4.98 | 290,618 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,976 |
| Countries That End in U | 0 | - | 4.95 | 120,515 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,989 |
| Countries that End in O | 0 | - | 4.92 | 159,285 |
| Countries that End in R | 0 | - | 4.87 | 118,804 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,570 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,590 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,320 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,215 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,829 |
| Countries That End in Y | 0 | - | 4.91 | 185,719 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,524 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,601 |
| Countries that End in I | 0 | - | 4.94 | 134,948 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,717 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,665 |
| Countries That End in NIA | 0 | - | 4.92 | 109,623 |
| Countries That End in BIA | 0 | - | 4.93 | 148,975 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,881 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,199 |
| Countries That End in RIA | 0 | - | 4.93 | 126,639 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,773 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,080 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,406 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,795 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,334 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,414 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,794 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,358 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,294 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,287 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,993 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,711 |
| Countries that End in L | 0 | - | 4.94 | 156,649 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,757 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,189 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,910 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,822 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,870 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,377 |
