| Boundary Waters | 0 | - | 4.92 | 88,350 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,863 |
| Landlocked Countries | 0 | - | 4.99 | 418,298 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,275 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,475 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,578 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,810 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,293,925 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,659 |
| Himalayan Countries | 0 | - | 4.94 | 137,144 |
| Andean Countries | 0 | - | 4.95 | 83,782 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,032 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,414 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,712 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,259 |
| Danube Countries | 0 | - | 4.97 | 71,587 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,457 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,991 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,534 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,593 |
| European Landlocked Countries | 0 | - | 4.99 | 146,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,032 |
| Countries with the Most Species | 0 | - | 4.99 | 102,826 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,171 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,936 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,313 |
| Countries in the Alps | 0 | - | 4.87 | 117,594 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,074 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,261 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,372 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,919 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,027 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,401 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,200 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,134 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,931 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,499 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,447 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,304 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,878 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,147 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,163 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,052 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,019 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,437 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,058 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,082 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,950 |
| Largest Countries By Category | 0 | - | 4.97 | 157,543 |
| Countries by Countries | 0 | - | 4.96 | 62,783 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,129 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,144 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,265 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,318 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,715 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,183 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,941 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,033 |
| Longest International Borders | 0 | - | 4.99 | 264,564 |
| Countries with Three Borders | 0 | - | 4.96 | 36,426 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,880 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,976 |
| Demonym of Every Country | 0 | - | 4.91 | 59,104 |
| Globe Grid | 0 | - | 4.32 | 31,978 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,661 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,466 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,252 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,415 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,748 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,441 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,794 |
| Island Countries | 0 | - | 4.99 | 709,509 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,414 |
| Northernmost Countries | 0 | - | 4.99 | 360,202 |
| Countries of South America | 0 | - | 5.00 | 922,166 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,039 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,682 |
| "Land" Countries | 0 | - | 4.98 | 335,662 |
| Top World Languages | 0 | - | 4.92 | 819,576 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,324 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,639 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,313 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,097 |
| Geography Mad Gab | 0 | - | 4.36 | 27,352 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,805 |
| Countries with Megacities | 0 | - | 4.99 | 251,801 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,661 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,867 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,961 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,853 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,776 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,876 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,204 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,225 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,874 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,507 |
| Countries by Capital City | 0 | - | 5.00 | 67,836 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,920 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,421 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,910 |
| Moved Capital Cities | 0 | - | 4.96 | 74,007 |
| Countries by Official Language | 0 | - | 4.95 | 194,532 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,377 |
| Countries in their Native Language | 0 | - | 4.99 | 198,089 |
| Independence from Whom | 0 | - | 4.99 | 211,196 |
| Subdivisions by Country | 0 | - | 4.86 | 50,263 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,611 |
| Megadiverse Countries | 0 | - | 4.96 | 134,726 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,247 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,154 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,721 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,000 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,650 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,336 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,885 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,791 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,963 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,829 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,676 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,946 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,749 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,106 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,298 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,034 |
| World Map Quiz | 0 | - | 4.81 | 64,418 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,286 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,971 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,391 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,872 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,581 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,181 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,460 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,636 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,778 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,231 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,233 |
| Widest Countries East to West | 0 | - | 4.92 | 129,317 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,892 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,978 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,473 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,154 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,492 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,218 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,714 |
| Countries with Double Letters | 0 | - | 4.97 | 94,993 |
| Countries that End in N | 0 | - | 4.95 | 169,757 |
| Countries with Five Letters | 0 | - | 4.96 | 279,413 |
| Countries with Six Letters | 0 | - | 4.94 | 212,359 |
| Countries with W | 0 | - | 4.97 | 159,444 |
| Countries with Z | 0 | - | 4.98 | 289,684 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,648 |
| Countries That End in U | 0 | - | 4.95 | 120,372 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,674 |
| Countries that End in O | 0 | - | 4.92 | 159,163 |
| Countries that End in R | 0 | - | 4.87 | 118,705 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,481 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,218 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,048 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,047 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,632 |
| Countries That End in Y | 0 | - | 4.90 | 185,622 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,154 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,351 |
| Countries that End in I | 0 | - | 4.94 | 134,834 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,001 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,547 |
| Countries That End in NIA | 0 | - | 4.92 | 109,482 |
| Countries That End in BIA | 0 | - | 4.93 | 148,796 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,653 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,003 |
| Countries That End in RIA | 0 | - | 4.93 | 126,496 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,585 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,539 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,140 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,486 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,049 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,284 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,635 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,188 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,068 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,170 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,765 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,473 |
| Countries that End in L | 0 | - | 4.94 | 156,502 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,794 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,145 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,805 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,684 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,730 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,672 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,072 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,559 |
