| Landmarks of Countries #1 | 0 | - | 4.89 | 100,760 |
| Boundary Waters | 0 | - | 4.93 | 80,419 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,718 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,762 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,810 |
| Landmarks of Countries #2 | 0 | - | 4.50 | 51,600 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,405,957 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,773 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,059 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,737 |
| Countries on the Equator | 0 | - | 4.82 | 132,043 |
| Members of the Arab League | 0 | - | 4.81 | 58,964 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,973 |
| Himalayan Countries | 0 | - | 4.95 | 102,279 |
| Andean Countries | 0 | - | 4.90 | 56,814 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,642 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,521 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,829 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,494 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,675 |
| Danube Countries | 0 | - | 4.97 | 56,333 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,362 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,573 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,224 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,722 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,319 |
| European Landlocked Countries | 0 | - | 4.99 | 114,808 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,689 |
| Countries with the Most Species | 0 | - | 4.99 | 89,069 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,748 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,414 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,787 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,715 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,081 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,427 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,630 |
| Countries in the Alps | 0 | - | 4.82 | 101,731 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,548 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,654 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,082 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,650 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,297 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,807 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,991 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,711 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,040 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,093 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,858 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,307 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,382 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,899 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,444 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,914 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,428 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,911 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,904 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,313 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,167 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,914 |
| Largest Countries By Category | 0 | - | 4.96 | 143,766 |
| Countries by Countries | 0 | - | 4.96 | 54,004 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,337 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,233 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,263 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,793 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,121 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,228 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 179,974 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,166 |
| Longest International Borders | 0 | - | 4.99 | 232,617 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,350 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,264 |
| Demonym of Every Country | 0 | - | 4.91 | 48,742 |
| Cities by Landmark #1 | 0 | - | 4.03 | 43,783 |
| Cities by Landmark #2 | 0 | - | 4.02 | 34,243 |
| World Capitals Quiz | 0 | - | 5.00 | 4,454,764 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,011,558 |
| Countries with Three Borders | 0 | - | 4.96 | 30,782 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,367,617 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,290 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,297 |
| Island Countries Quiz | 0 | - | 4.99 | 637,790 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,819 |
| Northernmost Countries | 0 | - | 4.99 | 325,137 |
| Countries of South America | 0 | - | 5.00 | 782,614 |
| Countries of Oceania | 0 | - | 5.00 | 880,675 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,103,452 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,548,945 |
| Top World Languages | 0 | - | 4.91 | 697,947 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,777 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,701 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,065 |
| Five Letter Geography #4 | 0 | - | 4.83 | 64,951 |
| World Map Divided into Regions | 0 | - | 4.17 | 34,819 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,974 |
| Countries with Megacities | 0 | - | 4.99 | 194,493 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,228 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,741 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,530 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,605 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,764 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,590 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,924 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,007 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,630 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,568 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,797 |
| Countries by Capital City | 0 | - | 4.99 | 48,110 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,210 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 92,958 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,099 |
| Moved Capital Cities | 0 | - | 4.94 | 51,856 |
| Countries by Official Language | 0 | - | 4.95 | 153,335 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,377 |
| Countries in their Native Language | 0 | - | 4.98 | 176,835 |
| Independence from Whom | 0 | - | 4.99 | 182,723 |
| Subdivisions by Country | 0 | - | 4.82 | 46,153 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,736 |
| Megadiverse Countries | 0 | - | 4.96 | 124,655 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,797 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,947 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,095 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,962 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,567 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,477 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,248 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,455 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,946 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,748 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,301 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,459 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,866 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,684 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 79,842 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,666 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,185 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,023 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,965 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,360 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,501 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,796 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,354 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,230 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,781 |
| Widest Countries East to West | 0 | - | 4.93 | 118,640 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,662 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,783 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,070 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,713 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,570 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,439 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,235 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,835 |
| Countries with Double Letters | 0 | - | 4.96 | 66,462 |
| Countries that End in N | 0 | - | 4.94 | 130,837 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,365 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,210 |
| Countries with W | 0 | - | 4.97 | 121,151 |
| Countries with Z | 0 | - | 4.98 | 241,820 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,310 |
| Countries That End in U | 0 | - | 4.94 | 106,607 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.96 | 88,012 |
| Countries that End in O | 0 | - | 4.92 | 146,229 |
| Countries that End in R | 0 | - | 4.85 | 96,009 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,779 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,354 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,761 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,493 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,420 |
| Countries That End in Y | 0 | - | 4.90 | 160,736 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,506 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,705 |
| Countries that End in I | 0 | - | 4.92 | 114,107 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,285 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,752 |
| Countries That End in NIA | 0 | - | 4.93 | 100,262 |
| Countries That End in BIA | 0 | - | 4.91 | 125,246 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,286 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,959 |
| Countries That End in RIA | 0 | - | 4.89 | 100,406 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,668 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,448 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,519 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,320 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,241 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,454 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,817 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,312 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,667 |
| Countries that End in L | 0 | - | 4.95 | 133,260 |
| "Land" Countries | 0 | - | 4.98 | 287,727 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,658 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,055 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,647 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,426 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,038 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,028 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 156,849 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,605 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 131,507 |
