| Boundary Waters | 0 | - | 4.92 | 88,473 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,172 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,101 |
| Landlocked Countries | 0 | - | 4.99 | 420,634 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,315 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,613 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,034 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,199 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,468,102 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,772 |
| Himalayan Countries | 0 | - | 4.95 | 138,133 |
| Andean Countries | 0 | - | 4.95 | 84,288 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,508 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,370 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,139 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,587 |
| Danube Countries | 0 | - | 4.97 | 71,844 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,810 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,251 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,998 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,447 |
| European Landlocked Countries | 0 | - | 4.99 | 146,980 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,393 |
| Countries with the Most Species | 0 | - | 4.99 | 103,102 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,548 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,509 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,662 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,451 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,123 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,511 |
| Countries in the Alps | 0 | - | 4.87 | 117,969 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,643 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,737 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,550 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,461 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,321 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,838 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,480 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,345 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,083 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,710 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,423 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,078 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,357 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,370 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,557 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,696 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,833 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,229 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,696 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,115 |
| Largest Countries By Category | 0 | - | 4.97 | 157,944 |
| Countries by Countries | 0 | - | 4.97 | 63,022 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,477 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,221 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,515 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,574 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,798 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,366 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,444 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,617 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,197 |
| Longest International Borders | 0 | - | 4.99 | 264,958 |
| Countries with Three Borders | 0 | - | 4.96 | 36,537 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,015 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,139 |
| Demonym of Every Country | 0 | - | 4.91 | 60,224 |
| Globe Grid | 0 | - | 4.32 | 31,996 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,818 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,581 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,257 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,382 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,674 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,078 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,307 |
| Island Countries | 0 | - | 4.99 | 710,453 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,008 |
| Northernmost Countries | 0 | - | 4.99 | 361,278 |
| Countries of South America | 0 | - | 5.00 | 925,220 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,223 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,241 |
| "Land" Countries | 0 | - | 4.98 | 336,572 |
| Top World Languages | 0 | - | 4.92 | 822,367 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,401 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,696 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,337 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,369 |
| Geography Mad Gab | 0 | - | 4.36 | 27,400 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,491 |
| Countries with Megacities | 0 | - | 4.99 | 263,503 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,339 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,267 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,625 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,302 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,153 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,262 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,415 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,505 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,244 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,018 |
| Countries by Capital City | 0 | - | 5.00 | 68,301 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,176 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,658 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,208 |
| Moved Capital Cities | 0 | - | 4.96 | 74,215 |
| Countries by Official Language | 0 | - | 4.95 | 194,955 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,977 |
| Countries in their Native Language | 0 | - | 4.99 | 198,472 |
| Independence from Whom | 0 | - | 4.99 | 211,738 |
| Subdivisions by Country | 0 | - | 4.86 | 50,365 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,008 |
| Megadiverse Countries | 0 | - | 4.96 | 134,898 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,818 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,266 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,850 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,061 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,926 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,489 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,233 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,943 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,568 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,362 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,798 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,099 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,874 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,255 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,420 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,722 |
| World Map Quiz | 0 | - | 4.81 | 64,887 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,456 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,203 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,804 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,106 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,840 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,803 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,739 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,869 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,180 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,360 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,449 |
| Widest Countries East to West | 0 | - | 4.92 | 129,516 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,418 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,185 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,067 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,645 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,421 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,712 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,314 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,767 |
| Countries with Double Letters | 0 | - | 4.97 | 95,505 |
| Countries that End in N | 0 | - | 4.95 | 170,539 |
| Countries with Five Letters | 0 | - | 4.96 | 281,525 |
| Countries with Six Letters | 0 | - | 4.94 | 212,939 |
| Countries with W | 0 | - | 4.97 | 159,848 |
| Countries with Z | 0 | - | 4.98 | 290,773 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,114 |
| Countries That End in U | 0 | - | 4.95 | 120,571 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,075 |
| Countries that End in O | 0 | - | 4.92 | 159,319 |
| Countries that End in R | 0 | - | 4.87 | 118,823 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,600 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,677 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,363 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,256 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,871 |
| Countries That End in Y | 0 | - | 4.91 | 185,748 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,569 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,648 |
| Countries that End in I | 0 | - | 4.94 | 134,977 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,762 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,695 |
| Countries That End in NIA | 0 | - | 4.92 | 109,646 |
| Countries That End in BIA | 0 | - | 4.93 | 149,005 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,898 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,232 |
| Countries That End in RIA | 0 | - | 4.93 | 126,669 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,801 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,161 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,447 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,840 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,374 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,443 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,830 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,370 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,324 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,302 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,044 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,762 |
| Countries that End in L | 0 | - | 4.94 | 156,683 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,883 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,203 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,919 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,839 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,888 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,456 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,418 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,827 |
