| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,245 |
| Longest International Borders | 0 | - | 4.99 | 232,887 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,467 |
| Countries with Three Borders | 0 | - | 4.96 | 30,946 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,365 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,823 |
| One Border Countries | 0 | - | 4.98 | 406,868 |
| Clear All Country Borders on the World Map | 0 | - | 4.72 | 34,208 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,360,884 |
| Boundary Waters | 0 | - | 4.93 | 80,500 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,908 |
| Countries by Borders #1 | 0 | - | 5.00 | 175,792 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 283,795 |
| Longest Border by Country #1 | 0 | - | 4.99 | 134,728 |
| Largest Countries with No Borders | 0 | - | 4.97 | 180,134 |
| Countries with Two Borders | 0 | - | 4.99 | 127,265 |
| Countries by Borders #2 | 0 | - | 4.97 | 117,922 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 119,117 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 119,485 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 96,251 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 78,405 |
| Countries by Borders #3 | 0 | - | 4.98 | 89,966 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 72,575 |
| Longest Border by Country #2 | 0 | - | 4.96 | 113,116 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,827 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 29,735 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 115,988 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,444 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,746 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,036 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,508,473 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,892 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,285 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,925 |
| Countries on the Equator | 0 | - | 4.82 | 132,846 |
| Members of the Arab League | 0 | - | 4.82 | 59,462 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,281 |
| Himalayan Countries | 0 | - | 4.95 | 102,631 |
| Andean Countries | 0 | - | 4.90 | 57,025 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,868 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,619 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,948 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,585 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,780 |
| Danube Countries | 0 | - | 4.97 | 56,377 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,426 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,620 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,421 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,835 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,454 |
| European Landlocked Countries | 0 | - | 4.99 | 114,861 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,809 |
| Countries with the Most Species | 0 | - | 4.99 | 89,099 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,881 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,461 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,830 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,801 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,147 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,477 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,722 |
| Countries in the Alps | 0 | - | 4.82 | 101,904 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,712 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,900 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,158 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,777 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,418 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,102 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,788 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,086 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,207 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,948 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,346 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,437 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,021 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,541 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,024 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,735 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 60,985 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,992 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,069 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,529 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,990 |
| Largest Countries By Category | 0 | - | 4.96 | 143,976 |
| Countries by Countries | 0 | - | 4.96 | 54,139 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,404 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,434 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,676 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 69,963 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 88,929 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,454 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,870 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,219 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,280 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,406 |
| Demonym of Every Country | 0 | - | 4.91 | 48,889 |
| World Capitals Quiz | 0 | - | 5.00 | 4,463,406 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,024,054 |
| Smallest Countries Bordering Each Other | 0 | - | 4.66 | 83,624 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,370,505 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,801 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,124 |
| Island Countries Quiz | 0 | - | 4.99 | 639,122 |
| Biggest Countries by Area | 0 | - | 5.00 | 925,579 |
| Northernmost Countries | 0 | - | 4.99 | 325,480 |
| Countries of South America | 0 | - | 5.00 | 784,509 |
| Countries of Oceania | 0 | - | 5.00 | 883,142 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,113,229 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,553,832 |
| Top World Languages | 0 | - | 4.91 | 699,792 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,969 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,711 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,085 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,163 |
| World Map Divided into Regions | 0 | - | 4.17 | 34,933 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,319 |
| Countries with Megacities | 0 | - | 4.99 | 194,988 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,650 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,958 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,826 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,810 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,329 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,758 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,156 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,173 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,803 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,839 |
| Same Letter Country and Capital | 0 | - | 4.99 | 126,125 |
| Countries by Capital City | 0 | - | 4.99 | 48,400 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,359 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 93,091 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,250 |
| Moved Capital Cities | 0 | - | 4.94 | 51,950 |
| Countries by Official Language | 0 | - | 4.95 | 153,602 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,993 |
| Countries in their Native Language | 0 | - | 4.98 | 177,105 |
| Independence from Whom | 0 | - | 4.99 | 183,863 |
| Subdivisions by Country | 0 | - | 4.82 | 46,205 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,310 |
| Megadiverse Countries | 0 | - | 4.96 | 124,816 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,083 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,061 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,148 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,169 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,774 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,932 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,544 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,999 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,063 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,863 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,401 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,516 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,977 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,794 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,334 |
| World Map Quiz | 0 | - | 4.90 | 48,223 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,459 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,196 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,150 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,774 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,618 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,938 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,552 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,362 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,901 |
| Widest Countries East to West | 0 | - | 4.93 | 118,786 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,692 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,976 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,133 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,853 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,173 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,582 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,275 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,878 |
| Countries with Double Letters | 0 | - | 4.96 | 67,105 |
| Countries that End in N | 0 | - | 4.94 | 131,551 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,029 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,805 |
| Countries with W | 0 | - | 4.97 | 121,813 |
| Countries with Z | 0 | - | 4.98 | 242,766 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,724 |
| Countries That End in U | 0 | - | 4.94 | 107,045 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,448 |
| Countries that End in O | 0 | - | 4.92 | 146,474 |
| Countries that End in R | 0 | - | 4.86 | 96,165 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,917 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,718 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,961 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,650 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,588 |
| Countries That End in Y | 0 | - | 4.90 | 160,849 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,763 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,925 |
| Countries that End in I | 0 | - | 4.92 | 114,203 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,550 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,861 |
| Countries That End in NIA | 0 | - | 4.93 | 100,377 |
| Countries That End in BIA | 0 | - | 4.91 | 125,437 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,474 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,118 |
