| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,139 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,048 |
| Landlocked Countries | 0 | - | 4.99 | 420,071 |
| United States Immigration by Country | 0 | - | 4.69 | 160,906 |
| Countries With the Most Expats | 0 | - | 4.69 | 49,501 |
| Countries with the Most Immigrants per Capita | 0 | - | 4.53 | 62,340 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,428,165 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,574 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,896 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,100 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,505 |
| Himalayan Countries | 0 | - | 4.95 | 137,918 |
| Andean Countries | 0 | - | 4.95 | 84,178 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,392 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,999 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,042 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,492 |
| Danube Countries | 0 | - | 4.97 | 71,780 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,719 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,175 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,876 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,001 |
| European Landlocked Countries | 0 | - | 4.99 | 146,914 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,306 |
| Countries with the Most Species | 0 | - | 4.99 | 103,051 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,458 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,473 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,639 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,407 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,088 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,477 |
| Countries in the Alps | 0 | - | 4.87 | 117,899 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,975 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,620 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,513 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,398 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,807 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,413 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,295 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,663 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,549 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,391 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,023 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,316 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,324 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,450 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,143 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,651 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,726 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,958 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,541 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,851 |
| Countries by Countries | 0 | - | 4.97 | 62,963 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,397 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,196 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,458 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,525 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,325 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,432 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,480 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,877 |
| Countries with Three Borders | 0 | - | 4.96 | 36,517 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,993 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,108 |
| Demonym of Every Country | 0 | - | 4.91 | 59,668 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,273 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,864 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,411 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,307 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,962 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,557 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,931 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,008 |
| Island Countries | 0 | - | 4.99 | 710,227 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,404 |
| Northernmost Countries | 0 | - | 4.99 | 361,045 |
| Countries of South America | 0 | - | 5.00 | 924,537 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,406 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,561 |
| "Land" Countries | 0 | - | 4.98 | 336,099 |
| Top World Languages | 0 | - | 4.92 | 821,769 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,380 |
| Globe Grid | 0 | - | 4.32 | 31,989 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,767 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,311 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,367 |
| Countries with Megacities | 0 | - | 4.99 | 262,961 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,197 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,181 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,502 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,220 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,066 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,195 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,367 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,453 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,176 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,919 |
| Countries by Capital City | 0 | - | 5.00 | 68,194 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,134 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,614 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,147 |
| Moved Capital Cities | 0 | - | 4.96 | 74,166 |
| Countries by Official Language | 0 | - | 4.95 | 194,863 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,840 |
| Countries in their Native Language | 0 | - | 4.99 | 198,405 |
| Independence from Whom | 0 | - | 4.99 | 211,622 |
| Subdivisions by Country | 0 | - | 4.86 | 50,342 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,916 |
| Megadiverse Countries | 0 | - | 4.96 | 134,851 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,735 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,237 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,821 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,052 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,860 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,458 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,153 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,913 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,546 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,031 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,278 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,781 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,066 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,848 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,230 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,401 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,596 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,551 |
| World Map Quiz | 0 | - | 4.81 | 64,798 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,201 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,157 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,721 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,058 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,778 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,674 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,662 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,797 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,936 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,337 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,400 |
| Widest Countries East to West | 0 | - | 4.92 | 129,467 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,410 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,116 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,043 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,607 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,371 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,670 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,293 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,753 |
| Countries with Double Letters | 0 | - | 4.97 | 95,318 |
| Countries that End in N | 0 | - | 4.95 | 170,355 |
| Countries with Five Letters | 0 | - | 4.96 | 281,193 |
| Countries with Six Letters | 0 | - | 4.94 | 212,763 |
| Countries with W | 0 | - | 4.97 | 159,679 |
| Countries with Z | 0 | - | 4.98 | 290,576 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,946 |
| Countries That End in U | 0 | - | 4.95 | 120,503 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,952 |
| Countries that End in O | 0 | - | 4.92 | 159,274 |
| Countries that End in R | 0 | - | 4.87 | 118,795 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,561 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,564 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,296 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,197 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,799 |
| Countries That End in Y | 0 | - | 4.91 | 185,703 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,479 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,576 |
| Countries that End in I | 0 | - | 4.94 | 134,934 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,687 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,654 |
| Countries That End in NIA | 0 | - | 4.92 | 109,603 |
| Countries That End in BIA | 0 | - | 4.93 | 148,961 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,860 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,184 |
| Countries That End in RIA | 0 | - | 4.93 | 126,619 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,751 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,023 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,383 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,768 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,307 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,399 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,773 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,351 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,264 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,270 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,962 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,683 |
| Countries that End in L | 0 | - | 4.94 | 156,631 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,634 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,186 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,902 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,807 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,859 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,044 |
