| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,675 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,257 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,124,130 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,912 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,169 |
| Countries by Emojis | 0 | - | 4.99 | 237,642 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,394 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,395 |
| Landlocked Countries | 0 | - | 4.99 | 416,154 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,152 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,292 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,727 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,688 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,547 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,490 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,076 |
| Orthodox Countries | 0 | - | 4.92 | 130,826 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,127 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,873 |
| Battle to Country | 0 | - | 4.91 | 52,854 |
| Monarchies of Europe | 0 | - | 4.90 | 97,647 |
| Monarchies of Asia | 0 | - | 4.97 | 70,794 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,596 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,790 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,017 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,457 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,586 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,376 |
| Island Countries | 0 | - | 4.99 | 708,640 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,682 |
| Himalayan Countries | 0 | - | 4.95 | 136,287 |
| Andean Countries | 0 | - | 4.95 | 83,363 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,628 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,843 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,330 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,943 |
| Danube Countries | 0 | - | 4.97 | 71,343 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,128 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,798 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,049 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,992 |
| European Landlocked Countries | 0 | - | 4.99 | 146,062 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,678 |
| Countries with the Most Species | 0 | - | 4.99 | 98,820 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,823 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,308 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,481 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,772 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,142 |
| Countries in the Alps | 0 | - | 4.86 | 117,271 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,854 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,775 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,217 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,679 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,643 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,211 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,925 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,961 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,758 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,289 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,334 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,186 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,947 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,956 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,620 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,861 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,141 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,711 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,785 |
| Largest Countries By Category | 0 | - | 4.97 | 157,189 |
| Countries by Countries | 0 | - | 4.96 | 62,546 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,236 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,809 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,065 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,038 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,766 |
| Northernmost Countries | 0 | - | 4.99 | 359,123 |
| Companies by Country | 0 | - | 4.61 | 118,968 |
| Countries of South America | 0 | - | 5.00 | 919,009 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,776 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,048 |
| "Land" Countries | 0 | - | 4.98 | 334,301 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,584 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,001 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,966 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,709 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,828 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,400 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,047 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,556 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,432 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,659 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,380 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,414 |
| Name a Valid African Country | 0 | - | 4.98 | 153,346 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,215 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,656 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,142 |
| Countries with Megacities | 0 | - | 4.99 | 248,669 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,011 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,473 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,386 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,423 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,011 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,386 |
| Countries by Official Language | 0 | - | 4.95 | 193,833 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,323 |
| Countries in their Native Language | 0 | - | 4.99 | 197,483 |
| Independence from Whom | 0 | - | 4.99 | 210,423 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,237 |
| Megadiverse Countries | 0 | - | 4.96 | 134,504 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,686 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,059 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,602 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,938 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,271 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,182 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,488 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,512 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,342 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,095 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,558 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,655 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,626 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,830 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,176 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,387 |
| World Map Quiz | 0 | - | 4.81 | 63,966 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,656 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,971 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,615 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,336 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,569 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,207 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,399 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,581 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,121 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,605 |
| Widest Countries East to West | 0 | - | 4.92 | 129,099 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,310 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,589 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,836 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,921 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,933 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,313 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,997 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 335,693 |
| Political Movements by Country | 0 | - | 4.46 | 72,368 |
| Countries with Double Letters | 0 | - | 4.96 | 93,832 |
| Countries that End in N | 0 | - | 4.94 | 157,272 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,233 |
| Countries with Six Letters | 0 | - | 4.93 | 210,861 |
| Countries with W | 0 | - | 4.97 | 158,527 |
| Countries with Z | 0 | - | 4.98 | 288,418 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,866 |
| Countries That End in U | 0 | - | 4.95 | 119,670 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,026 |
| Countries that End in O | 0 | - | 4.92 | 158,708 |
| Countries that End in R | 0 | - | 4.87 | 118,421 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,975 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,590 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,649 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,732 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,300 |
| Countries That End in Y | 0 | - | 4.90 | 185,329 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,749 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,008 |
| Countries that End in I | 0 | - | 4.94 | 134,601 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,609 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,368 |
| Countries That End in NIA | 0 | - | 4.92 | 109,235 |
| Countries That End in BIA | 0 | - | 4.93 | 148,467 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,358 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,710 |
| Countries That End in RIA | 0 | - | 4.93 | 126,271 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,262 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,947 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,782 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,141 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,683 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,084 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,370 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,888 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,774 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,950 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,108 |
| Countries that End in L | 0 | - | 4.94 | 156,215 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,617 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,039 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,687 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,523 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,585 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,211 |
