| Boundary Waters | 0 | - | 4.92 | 86,925 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 33,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,076 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 396,353 |
| Pacific Ocean General Knowledge | 0 | - | 4.68 | 35,931 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,931 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,612 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,900 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,400,565 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,347 |
| Himalayan Countries | 0 | - | 4.95 | 128,075 |
| Andean Countries | 0 | - | 4.93 | 72,150 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,319 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,587 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,688 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,750 |
| Danube Countries | 0 | - | 4.97 | 62,459 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,092 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,473 |
| Countries with the Worst Passports | 0 | - | 4.93 | 77,855 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,802 |
| European Landlocked Countries | 0 | - | 4.99 | 143,205 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,227 |
| Countries with the Most Species | 0 | - | 4.99 | 93,689 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,088 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,371 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,567 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,585 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,078 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,150 |
| Countries in the Alps | 0 | - | 4.87 | 113,559 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,404 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,093 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,597 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,890 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,796 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,256 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,966 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,114 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 48,986 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,180 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,134 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,953 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,666 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,130 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,046 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,532 |
| Countries with the Most Climate Zones | 0 | - | 4.94 | 66,041 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,882 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,653 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,555 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,807 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,251 |
| Largest Countries By Category | 0 | - | 4.97 | 153,585 |
| Countries by Countries | 0 | - | 4.96 | 60,065 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,282 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,215 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,567 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 142,276 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,532 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 80,072 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,654 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 200,294 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 116,092 |
| Longest International Borders | 0 | - | 4.99 | 259,415 |
| Countries with Three Borders | 0 | - | 4.96 | 35,171 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 40,349 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 46,037 |
| Demonym of Every Country | 0 | - | 4.91 | 56,525 |
| Globe Grid | 0 | - | 4.31 | 31,801 |
| Largest Deserts in the World | 0 | - | 4.01 | 43,032 |
| World Map Divided into Regions | 0 | - | 4.18 | 40,049 |
| World Capitals Quiz | 0 | - | 5.00 | 4,901,876 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,487,055 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,575,100 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,523,351 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 365,052 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,057 |
| Island Countries Quiz | 0 | - | 4.99 | 698,883 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,014,135 |
| Northernmost Countries | 0 | - | 4.99 | 347,301 |
| Countries of South America | 0 | - | 5.00 | 884,893 |
| Countries of Oceania | 0 | - | 5.00 | 1,003,206 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,779,488 |
| Top World Languages | 0 | - | 4.92 | 786,693 |
| Analogies of Countries #1 | 0 | - | 4.88 | 67,249 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.19 | 16,030 |
| Name a Valid Answer - Geography | 0 | - | 4.94 | 101,127 |
| Geography Mad Gab | 0 | - | 4.35 | 26,672 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,154 |
| Countries with Megacities | 0 | - | 4.99 | 225,110 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,447 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,728 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,464 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,252 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,361 |
| Global Cities on a World Map | 0 | - | 4.94 | 129,149 |
| Northernmost Capital Cities | 0 | - | 4.98 | 104,908 |
| Most Remote Capital Cities | 0 | - | 4.91 | 50,337 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 41,809 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 103,245 |
| Same Letter Country and Capital | 0 | - | 4.99 | 141,898 |
| Countries by Capital City | 0 | - | 5.00 | 62,102 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 73,669 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 111,665 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 80,957 |
| Moved Capital Cities | 0 | - | 4.95 | 71,824 |
| Countries by Official Language | 0 | - | 4.95 | 187,719 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 286,706 |
| Countries in their Native Language | 0 | - | 4.98 | 191,679 |
| Independence from Whom | 0 | - | 4.99 | 204,432 |
| Subdivisions by Country | 0 | - | 4.85 | 49,254 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,872 |
| Megadiverse Countries | 0 | - | 4.97 | 132,016 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,277 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,950 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,116 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,106 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,810 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,695 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,678 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,746 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,803 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,375 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,851 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,161 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,707 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,937 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,392 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,145 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,571 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 102,826 |
| World Map Quiz | 0 | - | 4.83 | 60,307 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,650 |
| Southernmost Countries of the World | 0 | - | 4.99 | 221,985 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,375 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,027 |
| Countries With the Most Languages | 0 | - | 4.89 | 193,946 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 106,381 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,807 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 95,818 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,584 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,542 |
| Widest Countries East to West | 0 | - | 4.92 | 126,510 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,662 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,504 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,490 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,016 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 144,874 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,028 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,523 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,054 |
| Countries with Double Letters | 0 | - | 4.97 | 87,740 |
| Countries that End in N | 0 | - | 4.93 | 151,196 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 251,963 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,216 |
| Countries with W | 0 | - | 4.97 | 153,813 |
| Countries with Z | 0 | - | 4.98 | 281,303 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,400 |
| Countries That End in U | 0 | - | 4.95 | 116,948 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,541 |
| Countries that End in O | 0 | - | 4.92 | 156,379 |
| Countries that End in R | 0 | - | 4.83 | 101,271 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,172 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,133 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,289 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,315 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,274 |
| Countries That End in Y | 0 | - | 4.91 | 183,677 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,028 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,854 |
| Countries that End in I | 0 | - | 4.92 | 118,495 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,825 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,739 |
| Countries That End in NIA | 0 | - | 4.92 | 107,288 |
| Countries That End in BIA | 0 | - | 4.92 | 145,465 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,252 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,440 |
| Countries That End in RIA | 0 | - | 4.92 | 124,238 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,793 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 219,845 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,608 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,717 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,479 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,513 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,224 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,309 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,992 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,489 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,123 |
| Countries that End in L | 0 | - | 4.94 | 153,623 |
| "Land" Countries | 0 | - | 4.98 | 302,956 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,476 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,414 |
| City to Country Quiz #1 | 0 | - | 4.96 | 152,973 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,908 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,890 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,212 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,307 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,775 |