| Island Countries Quiz | 0 | - | 4.99 | 660,479 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,666 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,559 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,027 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,252 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,983 |
| 407 Islands on the World Map | 0 | - | 4.98 | 27,954 |
| Boundary Waters | 0 | - | 4.93 | 81,119 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,762 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 30,121 |
| Islands With the Highest Elevation | 0 | - | 4.58 | 17,041 |
| Most Populous Islands | 0 | - | 4.71 | 112,742 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,203 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,728 |
| Largest World's Islands on the World Map | 0 | - | 4.66 | 155,451 |
| People Born on Islands | 0 | - | 4.43 | 40,105 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,925,920 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,327 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,205 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,802 |
| Members of the Arab League | 0 | - | 4.85 | 61,883 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,894 |
| Himalayan Countries | 0 | - | 4.94 | 104,762 |
| Andean Countries | 0 | - | 4.91 | 58,079 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,032 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,321 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,682 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,023 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,288 |
| Danube Countries | 0 | - | 4.97 | 56,633 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,668 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,835 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,182 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,338 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,510 |
| European Landlocked Countries | 0 | - | 4.99 | 115,501 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,326 |
| Countries with the Most Species | 0 | - | 4.99 | 89,525 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,330 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,675 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,999 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,250 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,404 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,680 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,120 |
| Countries in the Alps | 0 | - | 4.84 | 102,611 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,286 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,064 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,571 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,227 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,934 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,536 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,599 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,127 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,298 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,631 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,401 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,578 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,656 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,461 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,942 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,447 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,982 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,322 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,364 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,151 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,825 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,265 |
| Largest Countries By Category | 0 | - | 4.96 | 144,853 |
| Countries by Countries | 0 | - | 4.96 | 54,623 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,397 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,689 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,171 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,571 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,104 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,659 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,499 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,219 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,897 |
| Longest International Borders | 0 | - | 4.99 | 234,124 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,932 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,058 |
| Demonym of Every Country | 0 | - | 4.91 | 49,519 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,767 |
| World Capitals Quiz | 0 | - | 5.00 | 4,497,632 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,071,071 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,131 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,550 |
| Islands by Picture | 0 | - | 4.30 | 91,815 |
| Countries with Three Borders | 0 | - | 4.96 | 31,410 |
| Huge List of Famous Mountains | 0 | - | 4.82 | 30,367 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,382,689 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,085 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 355,465 |
| Biggest Countries by Area | 0 | - | 5.00 | 932,946 |
| Northernmost Countries | 0 | - | 4.99 | 327,135 |
| Countries of South America | 0 | - | 5.00 | 793,069 |
| Countries of Oceania | 0 | - | 5.00 | 893,433 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,151,408 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,572,230 |
| Top World Languages | 0 | - | 4.91 | 707,699 |
| Analogies of Countries #1 | 0 | - | 4.84 | 50,280 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,757 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,255 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,756 |
| World Map Divided into Regions | 0 | - | 4.17 | 35,427 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 76,937 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,838 |
| Countries with Megacities | 0 | - | 4.99 | 197,127 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,472 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,895 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,311 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,859 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,832 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,435 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,985 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,712 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,338 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,782 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,174 |
| Countries by Capital City | 0 | - | 4.99 | 49,357 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,898 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,046 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,934 |
| Moved Capital Cities | 0 | - | 4.94 | 52,262 |
| Countries by Official Language | 0 | - | 4.96 | 172,132 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,199 |
| Countries in their Native Language | 0 | - | 4.98 | 178,280 |
| Independence from Whom | 0 | - | 4.99 | 185,555 |
| Subdivisions by Country | 0 | - | 4.82 | 46,432 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,427 |
| Megadiverse Countries | 0 | - | 4.96 | 125,306 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,371 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,373 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,133 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,866 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,102 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,341 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,799 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,590 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,989 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,958 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,530 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,178 |
| World Map Quiz | 0 | - | 4.90 | 49,371 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 113,435 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,474 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,753 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,919 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,016 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,611 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,310 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,602 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,304 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,955 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,445 |
| Widest Countries East to West | 0 | - | 4.93 | 119,361 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,820 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,002 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,653 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,582 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,053 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,168 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,457 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 32,050 |
| Countries with Double Letters | 0 | - | 4.96 | 68,414 |
| Countries that End in N | 0 | - | 4.94 | 132,752 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,800 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,082 |
| Countries with W | 0 | - | 4.96 | 122,745 |
| Countries with Z | 0 | - | 4.98 | 244,476 |
| Countries with Letters Missing | 0 | - | 4.97 | 165,590 |
| Countries That End in U | 0 | - | 4.95 | 107,583 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,535 |
| Countries that End in O | 0 | - | 4.92 | 146,950 |
| Countries that End in R | 0 | - | 4.85 | 96,488 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,245 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,384 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,789 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,232 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,299 |
| Countries That End in Y | 0 | - | 4.90 | 161,644 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,002 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,772 |
| Countries that End in I | 0 | - | 4.92 | 114,503 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,560 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,284 |
| Countries That End in NIA | 0 | - | 4.93 | 100,849 |
| Countries That End in BIA | 0 | - | 4.91 | 126,103 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,258 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,770 |
| Countries That End in RIA | 0 | - | 4.90 | 100,976 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,459 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,776 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,699 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,587 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,396 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,249 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,741 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,836 |
