| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,658 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,738 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,483 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,657 |
| Closest Capital City Pairs #1 | 0 | - | 4.97 | 75,366 |
| Closest Capital City Pairs #2 | 0 | - | 4.95 | 75,358 |
| Boundary Waters | 0 | - | 4.92 | 88,031 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,266 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 120,708 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 244,887 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,470 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.92 | 79,426 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 72,661 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,148 |
| Landlocked Countries | 0 | - | 4.99 | 413,463 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 90,299 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,907,585 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,153 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,595 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,942 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,521 |
| Himalayan Countries | 0 | - | 4.95 | 135,303 |
| Andean Countries | 0 | - | 4.94 | 82,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,196 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,160 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,871 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,575 |
| Danube Countries | 0 | - | 4.97 | 71,066 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,736 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,522 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,437 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,360 |
| European Landlocked Countries | 0 | - | 4.99 | 145,736 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,179 |
| Countries with the Most Species | 0 | - | 4.99 | 95,235 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,317 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,196 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,363 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,949 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,563 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,938 |
| Countries in the Alps | 0 | - | 4.86 | 116,794 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,543 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,233 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,995 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,406 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,137 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,983 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,556 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,741 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,207 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,037 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,192 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,035 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,439 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,725 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,742 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,029 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,625 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,248 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,754 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,208 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,631 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,597 |
| Largest Countries By Category | 0 | - | 4.97 | 156,731 |
| Countries by Countries | 0 | - | 4.96 | 62,245 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,356 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,959 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,327 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,749 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,699 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,477 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,541 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,227 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,373 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,612 |
| Longest International Borders | 0 | - | 4.99 | 263,524 |
| Countries with Three Borders | 0 | - | 4.96 | 36,171 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,594 |
| Demonym of Every Country | 0 | - | 4.91 | 58,630 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,538 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,354 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,716 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,505 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,398 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,210 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 38,926 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,694 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,742 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,068 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,774 |
| Island Countries | 0 | - | 4.99 | 707,563 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,285 |
| Northernmost Countries | 0 | - | 4.99 | 357,654 |
| Countries of South America | 0 | - | 5.00 | 914,453 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,147 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,860 |
| "Land" Countries | 0 | - | 4.98 | 333,607 |
| Top World Languages | 0 | - | 4.92 | 812,950 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,158 |
| Globe Grid | 0 | - | 4.32 | 31,931 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,312 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,482 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,100 |
| Countries with Megacities | 0 | - | 4.99 | 246,739 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,031 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,902 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,451 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,806 |
| Nearest Major City #2 | 0 | - | 4.15 | 16,135 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,738 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,922 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,641 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,591 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,597 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,412 |
| Countries by Capital City | 0 | - | 5.00 | 66,614 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,313 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,898 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,403 |
| Moved Capital Cities | 0 | - | 4.96 | 73,576 |
| Countries by Official Language | 0 | - | 4.95 | 192,743 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,077 |
| Countries in their Native Language | 0 | - | 4.99 | 196,606 |
| Independence from Whom | 0 | - | 4.99 | 209,647 |
| Subdivisions by Country | 0 | - | 4.86 | 50,061 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,721 |
| Megadiverse Countries | 0 | - | 4.97 | 133,888 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,773 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,914 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,422 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,854 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,636 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,988 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,901 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,133 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,209 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,540 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,405 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,491 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,013 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,910 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,539 |
| World Map Quiz | 0 | - | 4.81 | 63,478 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,584 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,313 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,317 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,975 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,933 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,702 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,839 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,047 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,261 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,934 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,326 |
| Widest Countries East to West | 0 | - | 4.92 | 128,595 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,190 |
| 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 | 93,679 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,616 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,027 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,049 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,575 |
| Countries with Double Letters | 0 | - | 4.97 | 93,357 |
| Countries that End in N | 0 | - | 4.94 | 156,642 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,654 |
| Countries with Six Letters | 0 | - | 4.93 | 210,318 |
| Countries with W | 0 | - | 4.97 | 158,206 |
| Countries with Z | 0 | - | 4.98 | 287,835 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,528 |
| Countries That End in U | 0 | - | 4.95 | 119,506 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,515 |
| Countries that End in O | 0 | - | 4.92 | 158,540 |
| Countries that End in R | 0 | - | 4.87 | 118,263 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,854 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,985 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,305 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,477 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,995 |
| Countries That End in Y | 0 | - | 4.90 | 185,194 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,346 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,663 |
| Countries that End in I | 0 | - | 4.94 | 134,402 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,166 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,183 |
| Countries That End in NIA | 0 | - | 4.92 | 108,994 |
| Countries That End in BIA | 0 | - | 4.92 | 147,698 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,046 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,473 |
| Countries That End in RIA | 0 | - | 4.93 | 126,067 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,987 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,161 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,504 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,882 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,339 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,921 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,104 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,630 |
