| Island Countries Quiz | 0 | - | 4.99 | 660,186 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,634 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,518 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,008 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,237 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,971 |
| 407 Islands on the World Map | 0 | - | 4.98 | 27,927 |
| Boundary Waters | 0 | - | 4.93 | 81,090 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,707 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,100 |
| Islands With the Highest Elevation | 0 | - | 4.58 | 17,040 |
| Most Populous Islands | 0 | - | 4.71 | 112,698 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,048 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,394 |
| Largest World's Islands on the World Map | 0 | - | 4.66 | 155,329 |
| People Born on Islands | 0 | - | 4.43 | 40,086 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,895,002 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,303 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,146 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,741 |
| Members of the Arab League | 0 | - | 4.85 | 61,763 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,812 |
| Himalayan Countries | 0 | - | 4.94 | 104,674 |
| Andean Countries | 0 | - | 4.91 | 58,035 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,971 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,285 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,626 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,012 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,258 |
| Danube Countries | 0 | - | 4.97 | 56,613 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,649 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,815 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,132 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,309 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,462 |
| European Landlocked Countries | 0 | - | 4.99 | 115,475 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,288 |
| Countries with the Most Species | 0 | - | 4.99 | 89,512 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,308 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,660 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,990 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,221 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,390 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,667 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,096 |
| Countries in the Alps | 0 | - | 4.84 | 102,570 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,250 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,974 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,536 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,191 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,895 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,500 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,113 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,291 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,608 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,381 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,558 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,431 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,911 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,418 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,896 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,297 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,342 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,909 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,741 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,250 |
| Largest Countries By Category | 0 | - | 4.96 | 144,797 |
| Countries by Countries | 0 | - | 4.96 | 54,594 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,321 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,663 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,128 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,525 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,091 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,641 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,486 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,153 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,857 |
| Longest International Borders | 0 | - | 4.99 | 234,044 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,908 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,008 |
| Demonym of Every Country | 0 | - | 4.91 | 49,479 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,732 |
| World Capitals Quiz | 0 | - | 5.00 | 4,495,044 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,067,805 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,125 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,540 |
| Islands by Picture | 0 | - | 4.30 | 91,730 |
| Countries with Three Borders | 0 | - | 4.96 | 31,385 |
| Huge List of Famous Mountains | 0 | - | 4.81 | 30,345 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,381,773 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,931 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 355,209 |
| Biggest Countries by Area | 0 | - | 5.00 | 932,442 |
| Northernmost Countries | 0 | - | 4.99 | 326,976 |
| Countries of South America | 0 | - | 5.00 | 792,539 |
| Countries of Oceania | 0 | - | 5.00 | 892,771 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,148,836 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,571,003 |
| Top World Languages | 0 | - | 4.91 | 707,194 |
| Analogies of Countries #1 | 0 | - | 4.84 | 50,268 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,756 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,247 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,704 |
| World Map Divided into Regions | 0 | - | 4.17 | 35,397 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 76,890 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,745 |
| Countries with Megacities | 0 | - | 4.99 | 197,008 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,353 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,838 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,226 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,796 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,701 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,405 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,953 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,683 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,302 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,728 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,116 |
| Countries by Capital City | 0 | - | 4.99 | 49,291 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,868 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,010 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,895 |
| Moved Capital Cities | 0 | - | 4.94 | 52,233 |
| Countries by Official Language | 0 | - | 4.96 | 171,404 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,072 |
| Countries in their Native Language | 0 | - | 4.98 | 178,213 |
| Independence from Whom | 0 | - | 4.99 | 185,438 |
| Subdivisions by Country | 0 | - | 4.82 | 46,419 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,363 |
| Megadiverse Countries | 0 | - | 4.96 | 125,271 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,297 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,363 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,104 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,815 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,072 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,328 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,755 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,567 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,966 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,940 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,510 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 82,067 |
| World Map Quiz | 0 | - | 4.90 | 49,312 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,443 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,609 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,847 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,944 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,484 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,264 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,540 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,238 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,908 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,400 |
| Widest Countries East to West | 0 | - | 4.93 | 119,320 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,808 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,943 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,629 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,472 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,786 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,114 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,441 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,037 |
| Countries with Double Letters | 0 | - | 4.96 | 68,282 |
| Countries that End in N | 0 | - | 4.94 | 132,629 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,648 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,965 |
| Countries with W | 0 | - | 4.96 | 122,663 |
| Countries with Z | 0 | - | 4.98 | 244,343 |
| Countries with Letters Missing | 0 | - | 4.97 | 163,230 |
| Countries That End in U | 0 | - | 4.95 | 107,531 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,421 |
| Countries that End in O | 0 | - | 4.92 | 146,901 |
| Countries that End in R | 0 | - | 4.85 | 96,457 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,217 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,281 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,731 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,200 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,257 |
| Countries That End in Y | 0 | - | 4.90 | 161,612 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,948 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,724 |
| Countries that End in I | 0 | - | 4.92 | 114,487 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,504 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,252 |
| Countries That End in NIA | 0 | - | 4.93 | 100,822 |
| Countries That End in BIA | 0 | - | 4.91 | 126,051 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,221 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,718 |
| Countries That End in RIA | 0 | - | 4.90 | 100,938 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,415 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,647 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,636 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,522 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,337 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,210 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,687 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,804 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,688 |
