| Boundary Waters | 0 | - | 4.92 | 88,486 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,181 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,135 |
| Landlocked Countries | 0 | - | 4.99 | 420,825 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,484,539 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,626 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,217 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,227 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,896 |
| Himalayan Countries | 0 | - | 4.95 | 138,216 |
| Andean Countries | 0 | - | 4.95 | 84,331 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,555 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,440 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,180 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,605 |
| Danube Countries | 0 | - | 4.97 | 71,865 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,840 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,269 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,041 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,507 |
| European Landlocked Countries | 0 | - | 4.99 | 147,006 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,423 |
| Countries with the Most Species | 0 | - | 4.99 | 103,126 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,572 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,523 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,459 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,137 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,536 |
| Countries in the Alps | 0 | - | 4.87 | 118,008 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,018 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,788 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,562 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,479 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,350 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,851 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,502 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,367 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,723 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,432 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,097 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,371 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,393 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,610 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,195 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,352 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,756 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,131 |
| Largest Countries By Category | 0 | - | 4.97 | 157,978 |
| Countries by Countries | 0 | - | 4.96 | 63,051 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,504 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,547 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,594 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,815 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,383 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,450 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,668 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,213 |
| Longest International Borders | 0 | - | 4.99 | 264,980 |
| Countries with Three Borders | 0 | - | 4.96 | 36,548 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,032 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,145 |
| Demonym of Every Country | 0 | - | 4.91 | 60,319 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,929 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,757 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,317 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,540 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,224 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,142 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,450 |
| Island Countries | 0 | - | 4.99 | 710,554 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,294 |
| Northernmost Countries | 0 | - | 4.99 | 361,388 |
| Countries of South America | 0 | - | 5.00 | 925,508 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,596 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,924 |
| "Land" Countries | 0 | - | 4.98 | 336,851 |
| Top World Languages | 0 | - | 4.92 | 822,635 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,403 |
| Globe Grid | 0 | - | 4.32 | 32,002 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,831 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,397 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,573 |
| Countries with Megacities | 0 | - | 4.99 | 263,681 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,412 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,302 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,685 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,341 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,199 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,301 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,442 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,540 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,276 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,068 |
| Countries by Capital City | 0 | - | 5.00 | 68,341 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,203 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,677 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,238 |
| Moved Capital Cities | 0 | - | 4.96 | 74,233 |
| Countries by Official Language | 0 | - | 4.95 | 194,999 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,036 |
| Countries in their Native Language | 0 | - | 4.99 | 198,507 |
| Independence from Whom | 0 | - | 4.99 | 211,787 |
| Subdivisions by Country | 0 | - | 4.86 | 50,378 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,134 |
| Megadiverse Countries | 0 | - | 4.96 | 134,909 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,858 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,280 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,860 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,067 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,957 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,502 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,270 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,959 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,583 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,411 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,806 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,118 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,895 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,266 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,429 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,532 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,802 |
| World Map Quiz | 0 | - | 4.81 | 64,920 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,558 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,226 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,846 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,130 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,854 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,859 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,759 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,892 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,198 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,371 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,469 |
| Widest Countries East to West | 0 | - | 4.92 | 129,539 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,420 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,219 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,075 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,660 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,445 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,729 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,325 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,772 |
| Countries with Double Letters | 0 | - | 4.97 | 95,804 |
| Countries that End in N | 0 | - | 4.95 | 170,744 |
| Countries with Five Letters | 0 | - | 4.96 | 281,814 |
| Countries with Six Letters | 0 | - | 4.94 | 213,157 |
| Countries with W | 0 | - | 4.97 | 160,045 |
| Countries with Z | 0 | - | 4.98 | 291,004 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,381 |
| Countries That End in U | 0 | - | 4.95 | 120,680 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,176 |
| Countries that End in O | 0 | - | 4.92 | 159,396 |
| Countries that End in R | 0 | - | 4.87 | 118,868 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,639 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,779 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,446 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,298 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,991 |
| Countries That End in Y | 0 | - | 4.91 | 185,789 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,639 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,680 |
| Countries that End in I | 0 | - | 4.94 | 134,999 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,818 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,723 |
| Countries That End in NIA | 0 | - | 4.92 | 109,665 |
| Countries That End in BIA | 0 | - | 4.93 | 149,048 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,941 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,270 |
| Countries That End in RIA | 0 | - | 4.93 | 126,704 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,843 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,237 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,490 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,885 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,445 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,477 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,874 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,393 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,371 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,334 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,095 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,803 |
| Countries that End in L | 0 | - | 4.94 | 156,713 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,008 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,225 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,935 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,858 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,901 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,501 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,462 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,854 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,387 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,957 |
