| Boundary Waters | 0 | - | 4.92 | 88,363 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,061 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,884 |
| Landlocked Countries | 0 | - | 4.99 | 418,540 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,310,633 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,482 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,620 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,845 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,773 |
| Himalayan Countries | 0 | - | 4.94 | 137,240 |
| Andean Countries | 0 | - | 4.95 | 83,837 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,094 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,494 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,765 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,288 |
| Danube Countries | 0 | - | 4.97 | 71,612 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,490 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,011 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,574 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,636 |
| European Landlocked Countries | 0 | - | 4.99 | 146,725 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,071 |
| Countries with the Most Species | 0 | - | 4.99 | 102,865 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,205 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,418 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,573 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,275 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,950 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,328 |
| Countries in the Alps | 0 | - | 4.87 | 117,627 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,091 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,295 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,382 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,941 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,047 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,416 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,231 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,146 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,942 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,517 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,453 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,315 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,892 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,163 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,179 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,115 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,035 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,552 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,472 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,210 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,130 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,969 |
| Largest Countries By Category | 0 | - | 4.97 | 157,570 |
| Countries by Countries | 0 | - | 4.96 | 62,802 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,153 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,148 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,290 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,338 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,718 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,195 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,383 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,994 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,050 |
| Longest International Borders | 0 | - | 4.99 | 264,604 |
| Countries with Three Borders | 0 | - | 4.96 | 36,437 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,896 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,990 |
| Demonym of Every Country | 0 | - | 4.91 | 59,118 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,825 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,696 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,279 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,671 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,259 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,499 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,915 |
| Island Countries | 0 | - | 4.99 | 709,603 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,688 |
| Northernmost Countries | 0 | - | 4.99 | 360,322 |
| Countries of South America | 0 | - | 5.00 | 922,487 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,458 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,406 |
| "Land" Countries | 0 | - | 4.98 | 335,710 |
| Top World Languages | 0 | - | 4.92 | 819,855 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,330 |
| Globe Grid | 0 | - | 4.32 | 31,979 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,677 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,123 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,901 |
| Countries with Megacities | 0 | - | 4.99 | 257,090 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,766 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,922 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,063 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,928 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,817 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,905 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,217 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,246 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,917 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,558 |
| Countries by Capital City | 0 | - | 5.00 | 67,874 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,946 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,435 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,932 |
| Moved Capital Cities | 0 | - | 4.96 | 74,027 |
| Countries by Official Language | 0 | - | 4.95 | 194,581 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,456 |
| Countries in their Native Language | 0 | - | 4.99 | 198,125 |
| Independence from Whom | 0 | - | 4.99 | 211,233 |
| Subdivisions by Country | 0 | - | 4.86 | 50,272 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,638 |
| Megadiverse Countries | 0 | - | 4.96 | 134,743 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,497 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,162 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,732 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,672 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,359 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,918 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,820 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,973 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,882 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,693 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,968 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,755 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,120 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,307 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,954 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,101 |
| World Map Quiz | 0 | - | 4.81 | 64,461 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,446 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,000 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,435 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,893 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,600 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,256 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,647 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,797 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,246 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,255 |
| Widest Countries East to West | 0 | - | 4.92 | 129,337 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,920 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,487 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,177 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,512 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Countries with Double Letters | 0 | - | 4.97 | 95,030 |
| Countries that End in N | 0 | - | 4.95 | 169,875 |
| Countries with Five Letters | 0 | - | 4.96 | 279,779 |
| Countries with Six Letters | 0 | - | 4.94 | 212,409 |
| Countries with W | 0 | - | 4.97 | 159,488 |
| Countries with Z | 0 | - | 4.98 | 289,730 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,682 |
| Countries That End in U | 0 | - | 4.95 | 120,386 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,705 |
| Countries that End in O | 0 | - | 4.92 | 159,176 |
| Countries that End in R | 0 | - | 4.87 | 118,721 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,498 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,258 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,070 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,060 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,643 |
| Countries That End in Y | 0 | - | 4.90 | 185,633 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,183 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,384 |
| Countries that End in I | 0 | - | 4.94 | 134,846 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,035 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,557 |
| Countries That End in NIA | 0 | - | 4.92 | 109,496 |
| Countries That End in BIA | 0 | - | 4.93 | 148,813 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,675 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,023 |
| Countries That End in RIA | 0 | - | 4.93 | 126,509 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,598 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,600 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,176 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,525 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,074 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,295 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,651 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,206 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,084 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,181 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,791 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,502 |
| Countries that End in L | 0 | - | 4.94 | 156,524 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,876 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,148 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,818 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,699 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,751 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,719 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,124 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,581 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,073 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,566 |
