| Boundary Waters | 0 | - | 4.92 | 88,461 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,161 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,082 |
| Landlocked Countries | 0 | - | 4.99 | 420,426 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,311 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,599 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,944 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,171 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,452,159 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,671 |
| Himalayan Countries | 0 | - | 4.95 | 138,060 |
| Andean Countries | 0 | - | 4.95 | 84,248 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,300 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,108 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,550 |
| Danube Countries | 0 | - | 4.97 | 71,823 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,774 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,222 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,954 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,395 |
| European Landlocked Countries | 0 | - | 4.99 | 146,956 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,364 |
| Countries with the Most Species | 0 | - | 4.99 | 103,081 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,526 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,497 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,657 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,438 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,499 |
| Countries in the Alps | 0 | - | 4.87 | 117,949 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,236 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,682 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,442 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,296 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,829 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,461 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,332 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,069 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,698 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,561 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,417 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,063 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,342 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,359 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,509 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,174 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,684 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,801 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,128 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,644 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,102 |
| Largest Countries By Category | 0 | - | 4.97 | 157,912 |
| Countries by Countries | 0 | - | 4.97 | 63,004 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,454 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,555 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,792 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,350 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,440 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,562 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,178 |
| Longest International Borders | 0 | - | 4.99 | 264,927 |
| Countries with Three Borders | 0 | - | 4.96 | 36,527 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,009 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,125 |
| Demonym of Every Country | 0 | - | 4.91 | 60,054 |
| Globe Grid | 0 | - | 4.32 | 31,994 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,800 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,232 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,030 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,217 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,235 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,018 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,178 |
| Island Countries | 0 | - | 4.99 | 710,355 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,761 |
| Northernmost Countries | 0 | - | 4.99 | 361,187 |
| Countries of South America | 0 | - | 5.00 | 924,962 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,870 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,655 |
| "Land" Countries | 0 | - | 4.98 | 336,242 |
| Top World Languages | 0 | - | 4.92 | 822,113 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,394 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,694 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,337 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,350 |
| Geography Mad Gab | 0 | - | 4.36 | 27,398 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,442 |
| Countries with Megacities | 0 | - | 4.99 | 263,323 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,283 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,233 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,580 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,273 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,115 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,241 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,396 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,485 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,214 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,975 |
| Countries by Capital City | 0 | - | 5.00 | 68,255 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,158 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,639 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,190 |
| Moved Capital Cities | 0 | - | 4.96 | 74,203 |
| Countries by Official Language | 0 | - | 4.95 | 194,921 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,932 |
| Countries in their Native Language | 0 | - | 4.99 | 198,444 |
| Independence from Whom | 0 | - | 4.99 | 211,692 |
| Subdivisions by Country | 0 | - | 4.86 | 50,359 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,970 |
| Megadiverse Countries | 0 | - | 4.96 | 134,873 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,779 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,252 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,843 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,901 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,473 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,208 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,933 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,560 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,039 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,327 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,790 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,091 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,864 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,411 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,640 |
| World Map Quiz | 0 | - | 4.81 | 64,853 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,377 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,185 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,771 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,084 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,823 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,756 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,708 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,844 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,015 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,350 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,427 |
| Widest Countries East to West | 0 | - | 4.92 | 129,494 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,159 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,060 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,636 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,403 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,697 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,308 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,763 |
| Countries with Double Letters | 0 | - | 4.97 | 95,383 |
| Countries that End in N | 0 | - | 4.95 | 170,419 |
| Countries with Five Letters | 0 | - | 4.96 | 281,342 |
| Countries with Six Letters | 0 | - | 4.94 | 212,832 |
| Countries with W | 0 | - | 4.97 | 159,724 |
| Countries with Z | 0 | - | 4.98 | 290,637 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,988 |
| Countries That End in U | 0 | - | 4.95 | 120,523 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,005 |
| Countries that End in O | 0 | - | 4.92 | 159,291 |
| Countries that End in R | 0 | - | 4.87 | 118,809 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,577 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,610 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,331 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,222 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,836 |
| Countries That End in Y | 0 | - | 4.91 | 185,728 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,537 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,618 |
| Countries that End in I | 0 | - | 4.94 | 134,958 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,733 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,671 |
| Countries That End in NIA | 0 | - | 4.92 | 109,631 |
| Countries That End in BIA | 0 | - | 4.93 | 148,983 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,882 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,208 |
| Countries That End in RIA | 0 | - | 4.93 | 126,652 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,778 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,099 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,418 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,808 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,342 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,415 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,802 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,359 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,300 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,288 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,006 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,719 |
| Countries that End in L | 0 | - | 4.94 | 156,660 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,787 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,191 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,911 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,824 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,876 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,419 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,399 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,809 |
