| Landmarks of Countries #1 | 0 | - | 4.88 | 108,350 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,395 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,643 |
| Landlocked Countries | 0 | - | 4.99 | 425,133 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,413 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,838,770 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,898 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,362 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,906 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,935 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,959 |
| Himalayan Countries | 0 | - | 4.93 | 140,000 |
| Andean Countries | 0 | - | 4.94 | 85,303 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,465 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,815 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,035 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,325 |
| Danube Countries | 0 | - | 4.97 | 72,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,489 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,764 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,988 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,485 |
| European Landlocked Countries | 0 | - | 4.99 | 147,537 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,199 |
| Countries with the Most Species | 0 | - | 4.99 | 103,520 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,328 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,744 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,792 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,525 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,960 |
| Countries in the Alps | 0 | - | 4.87 | 118,689 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,489 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,755 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,921 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,970 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,884 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,327 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,811 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,377 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,126 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,823 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,697 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,505 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,736 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,697 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,563 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,702 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,597 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,472 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,009 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,476 |
| Largest Countries By Category | 0 | - | 4.97 | 158,774 |
| Countries by Countries | 0 | - | 4.96 | 63,581 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,188 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,380 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,044 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,418 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,755 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,959 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,531 |
| Longest International Borders | 0 | - | 4.99 | 265,753 |
| Countries with Three Borders | 0 | - | 4.96 | 36,748 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,330 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,471 |
| Demonym of Every Country | 0 | - | 4.90 | 61,412 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,003 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,800,850 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,385 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,985 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,413 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,512 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,395 |
| Island Countries | 0 | - | 4.99 | 712,338 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,132 |
| Northernmost Countries | 0 | - | 4.99 | 363,737 |
| Countries of South America | 0 | - | 5.00 | 931,866 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,381 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,483 |
| "Land" Countries | 0 | - | 4.98 | 338,271 |
| Top World Languages | 0 | - | 4.92 | 829,085 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,716 |
| Globe Grid | 0 | - | 4.32 | 32,035 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,132 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,946 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,001 |
| Countries with Megacities | 0 | - | 4.99 | 266,826 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,714 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,029 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,028 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,156 |
| Cities by Landmark #1 | 0 | - | 3.95 | 44,981 |
| Cities by Landmark #2 | 0 | - | 3.92 | 35,372 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,209 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,278 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,936 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,153 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,154 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,054 |
| Countries by Capital City | 0 | - | 5.00 | 69,287 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,807 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,177 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,760 |
| Moved Capital Cities | 0 | - | 4.96 | 74,611 |
| Countries by Official Language | 0 | - | 4.95 | 195,897 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,496 |
| Countries in their Native Language | 0 | - | 4.99 | 199,655 |
| Independence from Whom | 0 | - | 4.99 | 212,949 |
| Subdivisions by Country | 0 | - | 4.87 | 50,591 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,352 |
| Megadiverse Countries | 0 | - | 4.96 | 135,246 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,866 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,511 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,420 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,211 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,521 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,812 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,040 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,543 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,795 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,243 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,420 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,414 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,128 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,556 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,665 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,412 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,206 |
| World Map Quiz | 0 | - | 4.81 | 65,600 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,989 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,660 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,144 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,003 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,493 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,419 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,367 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,476 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,674 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,655 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,539 |
| Widest Countries East to West | 0 | - | 4.92 | 130,396 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,581 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,189 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,496 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,023 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,937 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,425 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,479 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,883 |
| Countries with Double Letters | 0 | - | 4.96 | 96,976 |
| Countries that End in N | 0 | - | 4.94 | 171,840 |
| Countries with Five Letters | 0 | - | 4.96 | 283,626 |
| Countries with Six Letters | 0 | - | 4.94 | 214,359 |
| Countries with W | 0 | - | 4.96 | 160,874 |
| Countries with Z | 0 | - | 4.98 | 292,328 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,228 |
| Countries That End in U | 0 | - | 4.95 | 121,149 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,029 |
| Countries that End in O | 0 | - | 4.92 | 160,143 |
| Countries that End in R | 0 | - | 4.87 | 119,154 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,905 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,750 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,097 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,777 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,713 |
| Countries That End in Y | 0 | - | 4.91 | 186,072 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,394 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,223 |
| Countries that End in I | 0 | - | 4.94 | 135,287 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,559 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,030 |
| Countries That End in NIA | 0 | - | 4.92 | 110,019 |
| Countries That End in BIA | 0 | - | 4.93 | 149,542 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,477 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,734 |
| Countries That End in RIA | 0 | - | 4.93 | 127,030 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,342 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,470 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,112 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,552 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,121 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,780 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,298 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,527 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,859 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,634 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,665 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,363 |
| Countries that End in L | 0 | - | 4.94 | 157,085 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,809 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,336 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,385 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,913 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,403 |