| Boundary Waters | 0 | - | 4.92 | 88,720 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,374 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,597 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,803,920 |
| Landlocked Countries | 0 | - | 4.99 | 424,783 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,874 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,844 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,873 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,580 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,756 |
| Himalayan Countries | 0 | - | 4.93 | 139,863 |
| Andean Countries | 0 | - | 4.94 | 85,228 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,402 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,718 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,968 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,274 |
| Danube Countries | 0 | - | 4.97 | 72,292 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,736 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,907 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,408 |
| European Landlocked Countries | 0 | - | 4.99 | 147,487 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,135 |
| Countries with the Most Species | 0 | - | 4.99 | 103,506 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,277 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,720 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,832 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,768 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,503 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,927 |
| Countries in the Alps | 0 | - | 4.87 | 118,635 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,398 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,656 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,894 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,922 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,845 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,156 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,286 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,791 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,359 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,090 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,805 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,674 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,471 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,707 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,798 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,576 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,538 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,614 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,524 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,303 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,909 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,451 |
| Largest Countries By Category | 0 | - | 4.97 | 158,704 |
| Countries by Countries | 0 | - | 4.96 | 63,537 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,141 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,370 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,009 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,044 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,373 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,952 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,734 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,599 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,830 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,497 |
| Longest International Borders | 0 | - | 4.99 | 265,681 |
| Countries with Three Borders | 0 | - | 4.96 | 36,734 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,305 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,450 |
| Demonym of Every Country | 0 | - | 4.90 | 61,349 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,655 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,413 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,401 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,124 |
| Island Countries | 0 | - | 4.99 | 712,177 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,598 |
| Northernmost Countries | 0 | - | 4.99 | 363,544 |
| Countries of South America | 0 | - | 5.00 | 931,287 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,643 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,179 |
| "Land" Countries | 0 | - | 4.98 | 338,146 |
| Top World Languages | 0 | - | 4.92 | 828,548 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,355 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,438 |
| All Country Flags of the World | 0 | - | 5.00 | 3,705,488 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,698 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,379 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,906 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,705 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,118 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,889 |
| Countries with Megacities | 0 | - | 4.99 | 266,585 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,592 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,971 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,894 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,073 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,559 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,136 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,216 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,881 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,084 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,075 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,973 |
| Countries by Capital City | 0 | - | 5.00 | 69,227 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,753 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,131 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,457 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,725 |
| Moved Capital Cities | 0 | - | 4.96 | 74,583 |
| Countries by Official Language | 0 | - | 4.95 | 195,825 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,388 |
| Countries in their Native Language | 0 | - | 4.99 | 199,605 |
| Independence from Whom | 0 | - | 4.99 | 212,845 |
| Subdivisions by Country | 0 | - | 4.87 | 50,575 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,281 |
| Megadiverse Countries | 0 | - | 4.96 | 135,212 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,809 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,494 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,398 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,198 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,478 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,785 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,980 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,522 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,783 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,231 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,300 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,326 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,390 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,113 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,534 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,651 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,105 |
| World Map Quiz | 0 | - | 4.81 | 65,547 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,757 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,613 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,051 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,977 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,457 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,313 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,313 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,441 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,640 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,633 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,357 |
| Widest Countries East to West | 0 | - | 4.92 | 130,353 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,576 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,148 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,481 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,997 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,893 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,388 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,470 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,871 |
| Countries with Double Letters | 0 | - | 4.96 | 96,861 |
| Countries that End in N | 0 | - | 4.95 | 171,745 |
| Countries with Five Letters | 0 | - | 4.96 | 283,480 |
| Countries with Six Letters | 0 | - | 4.94 | 214,223 |
| Countries with W | 0 | - | 4.96 | 160,794 |
| Countries with Z | 0 | - | 4.98 | 292,209 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,145 |
| Countries That End in U | 0 | - | 4.95 | 121,102 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,957 |
| Countries that End in O | 0 | - | 4.92 | 159,743 |
| Countries that End in R | 0 | - | 4.87 | 119,128 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,886 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,656 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,043 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,748 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,675 |
| Countries That End in Y | 0 | - | 4.91 | 186,042 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,339 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,170 |
| Countries that End in I | 0 | - | 4.94 | 135,262 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,506 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,996 |
| Countries That End in NIA | 0 | - | 4.92 | 109,986 |
| Countries That End in BIA | 0 | - | 4.93 | 149,504 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,420 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,696 |
| Countries That End in RIA | 0 | - | 4.93 | 127,001 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,290 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,366 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,063 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,503 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,070 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,761 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,255 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,517 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,815 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,597 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,621 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,304 |
| Countries that End in L | 0 | - | 4.94 | 157,057 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,435 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,325 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,114 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,730 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,337 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,284 |
