| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,666 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,743 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,491 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,671 |
| Closest Capital City Pairs #1 | 0 | - | 4.97 | 75,370 |
| Closest Capital City Pairs #2 | 0 | - | 4.95 | 75,360 |
| Boundary Waters | 0 | - | 4.92 | 88,041 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,814 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,281 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 120,715 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 244,896 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,475 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.92 | 79,437 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 72,663 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,152 |
| Landlocked Countries | 0 | - | 4.99 | 413,568 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 90,306 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,916,568 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,160 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,609 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,977 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,571 |
| Himalayan Countries | 0 | - | 4.95 | 135,339 |
| Andean Countries | 0 | - | 4.94 | 82,819 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,207 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,198 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,889 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,598 |
| Danube Countries | 0 | - | 4.97 | 71,076 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,756 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,532 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,465 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,382 |
| European Landlocked Countries | 0 | - | 4.99 | 145,747 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,200 |
| Countries with the Most Species | 0 | - | 4.99 | 95,239 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,334 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,368 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,572 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,817 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,249 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,155 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,997 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,274 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,450 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,737 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,749 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,053 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,636 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,765 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,268 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,666 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,751 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,377 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,962 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,331 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,760 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,711 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,485 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,549 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,229 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,401 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,618 |
| Longest International Borders | 0 | - | 4.99 | 263,540 |
| Countries with Three Borders | 0 | - | 4.96 | 36,179 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,599 |
| Demonym of Every Country | 0 | - | 4.91 | 58,641 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,538 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,356 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,717 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,190 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,273 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,212 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 38,927 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,886 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,015 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,101 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,827 |
| Island Countries | 0 | - | 4.99 | 707,602 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,399 |
| Northernmost Countries | 0 | - | 4.99 | 357,702 |
| Countries of South America | 0 | - | 5.00 | 914,628 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,355 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,172 |
| "Land" Countries | 0 | - | 4.98 | 333,640 |
| Top World Languages | 0 | - | 4.92 | 813,108 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,162 |
| Globe Grid | 0 | - | 4.32 | 31,932 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,322 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,502 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,184 |
| Countries with Megacities | 0 | - | 4.99 | 246,858 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,093 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,954 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,509 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,841 |
| Nearest Major City #2 | 0 | - | 4.15 | 16,136 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,758 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,948 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,652 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,603 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,620 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,442 |
| Countries by Capital City | 0 | - | 5.00 | 66,650 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,330 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,904 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,407 |
| Moved Capital Cities | 0 | - | 4.96 | 73,585 |
| Countries by Official Language | 0 | - | 4.95 | 192,763 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,120 |
| Countries in their Native Language | 0 | - | 4.99 | 196,630 |
| Independence from Whom | 0 | - | 4.99 | 209,683 |
| Subdivisions by Country | 0 | - | 4.86 | 50,064 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,741 |
| Megadiverse Countries | 0 | - | 4.97 | 133,897 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,792 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,427 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,858 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,654 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,996 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,005 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,141 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,211 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,561 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,413 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,502 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,021 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,218 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,576 |
| World Map Quiz | 0 | - | 4.81 | 63,492 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,654 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,324 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,343 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,982 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,945 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,738 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,849 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,057 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,272 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,941 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,333 |
| Widest Countries East to West | 0 | - | 4.92 | 128,600 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,217 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,204 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,562 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,683 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,626 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,037 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,050 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,581 |
| Countries with Double Letters | 0 | - | 4.97 | 93,384 |
| Countries that End in N | 0 | - | 4.94 | 156,810 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,677 |
| Countries with Six Letters | 0 | - | 4.93 | 210,356 |
| Countries with W | 0 | - | 4.97 | 158,223 |
| Countries with Z | 0 | - | 4.98 | 287,871 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,546 |
| Countries That End in U | 0 | - | 4.95 | 119,515 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,538 |
| Countries that End in O | 0 | - | 4.92 | 158,551 |
| Countries that End in R | 0 | - | 4.87 | 118,272 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,857 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,014 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,316 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,486 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,007 |
| Countries That End in Y | 0 | - | 4.90 | 185,201 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,366 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,683 |
| Countries that End in I | 0 | - | 4.94 | 134,410 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,189 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,192 |
| Countries That End in NIA | 0 | - | 4.92 | 109,008 |
| Countries That End in BIA | 0 | - | 4.92 | 147,712 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,053 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,480 |
| Countries That End in RIA | 0 | - | 4.93 | 126,078 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,005 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,176 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,516 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,885 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,354 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,927 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,116 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,639 |
