| Landmarks of Countries #1 | 0 | - | 4.88 | 107,702 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,073 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,893 |
| Landlocked Countries | 0 | - | 4.99 | 418,747 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,189 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,322,388 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,491 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,602 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,644 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,874 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,917 |
| Himalayan Countries | 0 | - | 4.94 | 137,348 |
| Andean Countries | 0 | - | 4.95 | 83,895 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,191 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,595 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,801 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,322 |
| Danube Countries | 0 | - | 4.97 | 71,632 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,516 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,036 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,607 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,690 |
| European Landlocked Countries | 0 | - | 4.99 | 146,749 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,101 |
| Countries with the Most Species | 0 | - | 4.99 | 102,888 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,239 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,581 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,291 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,970 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,346 |
| Countries in the Alps | 0 | - | 4.87 | 117,653 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,112 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,331 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,396 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,962 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,434 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,254 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,171 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,952 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,534 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,467 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,331 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,176 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,193 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,143 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,052 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,561 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,497 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,285 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,177 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,984 |
| Largest Countries By Category | 0 | - | 4.97 | 157,609 |
| Countries by Countries | 0 | - | 4.96 | 62,822 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,177 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,304 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,355 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,727 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,208 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,387 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,037 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,061 |
| Longest International Borders | 0 | - | 4.99 | 264,632 |
| Countries with Three Borders | 0 | - | 4.96 | 36,446 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,903 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,995 |
| Demonym of Every Country | 0 | - | 4.91 | 59,132 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,796 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,706 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,283 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,812 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,576 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,552 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,000 |
| Island Countries | 0 | - | 4.99 | 709,668 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,857 |
| Northernmost Countries | 0 | - | 4.99 | 360,386 |
| Countries of South America | 0 | - | 5.00 | 922,664 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,724 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,829 |
| "Land" Countries | 0 | - | 4.98 | 335,756 |
| Top World Languages | 0 | - | 4.92 | 820,033 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,340 |
| Globe Grid | 0 | - | 4.32 | 31,981 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,681 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,142 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,970 |
| Countries with Megacities | 0 | - | 4.99 | 258,540 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,839 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,959 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,122 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,966 |
| Cities by Landmark #1 | 0 | - | 3.95 | 44,926 |
| Cities by Landmark #2 | 0 | - | 3.92 | 35,324 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,937 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,229 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,950 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,603 |
| Countries by Capital City | 0 | - | 5.00 | 67,903 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,961 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,950 |
| Moved Capital Cities | 0 | - | 4.96 | 74,046 |
| Countries by Official Language | 0 | - | 4.95 | 194,607 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,480 |
| Countries in their Native Language | 0 | - | 4.99 | 198,152 |
| Independence from Whom | 0 | - | 4.99 | 211,265 |
| Subdivisions by Country | 0 | - | 4.86 | 50,278 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,670 |
| Megadiverse Countries | 0 | - | 4.96 | 134,754 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,527 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,175 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,740 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,008 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,688 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,364 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,946 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,831 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,471 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,983 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,913 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,980 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,760 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,139 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,315 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,318 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,142 |
| World Map Quiz | 0 | - | 4.81 | 64,494 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,529 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,015 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,467 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,907 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,622 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,289 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,499 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,660 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,812 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,252 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,270 |
| Widest Countries East to West | 0 | - | 4.92 | 129,349 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,378 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,937 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,987 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,499 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,204 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,529 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,225 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,059 |
| Countries that End in N | 0 | - | 4.95 | 169,934 |
| Countries with Five Letters | 0 | - | 4.96 | 279,986 |
| Countries with Six Letters | 0 | - | 4.94 | 212,445 |
| Countries with W | 0 | - | 4.97 | 159,501 |
| Countries with Z | 0 | - | 4.98 | 289,770 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,709 |
| Countries That End in U | 0 | - | 4.95 | 120,399 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,727 |
| Countries that End in O | 0 | - | 4.92 | 159,186 |
| Countries that End in R | 0 | - | 4.87 | 118,727 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,502 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,295 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,086 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,069 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,655 |
| Countries That End in Y | 0 | - | 4.90 | 185,642 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,201 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,400 |
| Countries that End in I | 0 | - | 4.94 | 134,856 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,049 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,566 |
| Countries That End in NIA | 0 | - | 4.92 | 109,504 |
| Countries That End in BIA | 0 | - | 4.93 | 148,826 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,692 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,036 |
| Countries That End in RIA | 0 | - | 4.93 | 126,521 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,608 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,643 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,199 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,547 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,092 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,310 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,668 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,218 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,104 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,187 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,806 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,514 |
| Countries that End in L | 0 | - | 4.94 | 156,530 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,933 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,152 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,826 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,710 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,757 |
