| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,891 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,467 |
| Landlocked Countries | 0 | - | 4.99 | 415,034 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,031,275 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,266 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,051 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,286 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,165 |
| Himalayan Countries | 0 | - | 4.95 | 135,863 |
| Andean Countries | 0 | - | 4.94 | 83,108 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,431 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,547 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,138 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,792 |
| Danube Countries | 0 | - | 4.97 | 71,235 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,957 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,674 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,795 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,714 |
| European Landlocked Countries | 0 | - | 4.99 | 145,937 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,457 |
| Countries with the Most Species | 0 | - | 4.99 | 95,322 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,601 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,253 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,427 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,043 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,697 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,056 |
| Countries in the Alps | 0 | - | 4.86 | 117,069 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,723 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,530 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,558 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,337 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,122 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,751 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,876 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,658 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,187 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,258 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,125 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,586 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,855 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,868 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,388 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,772 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,339 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,981 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,086 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,106 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,705 |
| Largest Countries By Category | 0 | - | 4.97 | 156,980 |
| Countries by Countries | 0 | - | 4.96 | 62,412 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,609 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,012 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,911 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,852 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,532 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,687 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,281 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,807 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,728 |
| Longest International Borders | 0 | - | 4.99 | 264,059 |
| Countries with Three Borders | 0 | - | 4.96 | 36,275 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,684 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,774 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,002 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,204 |
| Demonyms Quiz | 0 | - | 4.15 | 184,910 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,226 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,570 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,219 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,636 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,592 |
| Island Countries | 0 | - | 4.99 | 708,193 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,333 |
| Northernmost Countries | 0 | - | 4.99 | 358,534 |
| Countries of South America | 0 | - | 5.00 | 917,323 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,473 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,199 |
| "Land" Countries | 0 | - | 4.98 | 334,021 |
| Top World Languages | 0 | - | 4.92 | 815,002 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,214 |
| Globe Grid | 0 | - | 4.32 | 31,948 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,418 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,675 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,815 |
| Countries with Megacities | 0 | - | 4.99 | 248,010 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,690 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,300 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,072 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,251 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,098 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,296 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,887 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,850 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,009 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,843 |
| Countries by Capital City | 0 | - | 5.00 | 67,078 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,540 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,062 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,544 |
| Moved Capital Cities | 0 | - | 4.96 | 73,740 |
| Countries by Official Language | 0 | - | 4.95 | 193,091 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,573 |
| Countries in their Native Language | 0 | - | 4.99 | 196,932 |
| Independence from Whom | 0 | - | 4.99 | 210,068 |
| Subdivisions by Country | 0 | - | 4.86 | 50,127 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,004 |
| Megadiverse Countries | 0 | - | 4.97 | 134,119 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,091 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,998 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,518 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,897 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,837 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,105 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,285 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,367 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,281 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,776 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,846 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,492 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,600 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,573 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,771 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,109 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,089 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,024 |
| World Map Quiz | 0 | - | 4.81 | 63,733 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,453 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,531 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,722 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,473 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,203 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,220 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,077 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,281 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,468 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,053 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,505 |
| Widest Countries East to West | 0 | - | 4.92 | 128,998 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,278 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,436 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,637 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,838 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,787 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,200 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,281 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.96 | 93,641 |
| Countries that End in N | 0 | - | 4.94 | 157,106 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,977 |
| Countries with Six Letters | 0 | - | 4.93 | 210,637 |
| Countries with W | 0 | - | 4.97 | 158,400 |
| Countries with Z | 0 | - | 4.98 | 288,189 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,729 |
| Countries That End in U | 0 | - | 4.95 | 119,596 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,840 |
| Countries that End in O | 0 | - | 4.92 | 158,637 |
| Countries that End in R | 0 | - | 4.87 | 118,360 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,922 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,370 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,516 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,625 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,173 |
| Countries That End in Y | 0 | - | 4.90 | 185,277 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,583 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,872 |
| Countries that End in I | 0 | - | 4.94 | 134,524 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,431 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,284 |
| Countries That End in NIA | 0 | - | 4.92 | 109,107 |
| Countries That End in BIA | 0 | - | 4.92 | 147,837 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,228 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,618 |
| Countries That End in RIA | 0 | - | 4.93 | 126,183 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,155 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,651 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,648 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,007 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,544 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,015 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,265 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,770 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,664 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,881 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,316 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,967 |
| Countries that End in L | 0 | - | 4.94 | 156,143 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,986 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,018 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,608 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,427 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,508 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,894 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,595 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,476 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,612 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,980 |