| Landmarks of Countries #1 | 0 | - | 4.88 | 107,766 |
| Boundary Waters | 0 | - | 4.92 | 88,433 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,127 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,016 |
| Landlocked Countries | 0 | - | 4.99 | 419,802 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,206 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,404,013 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,551 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,748 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,840 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,058 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,366 |
| Himalayan Countries | 0 | - | 4.95 | 137,792 |
| Andean Countries | 0 | - | 4.95 | 84,114 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,344 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,891 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,981 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,456 |
| Danube Countries | 0 | - | 4.97 | 71,750 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,677 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,150 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,824 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,895 |
| European Landlocked Countries | 0 | - | 4.99 | 146,873 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,257 |
| Countries with the Most Species | 0 | - | 4.99 | 103,015 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,417 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,460 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,628 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,378 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,051 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,449 |
| Countries in the Alps | 0 | - | 4.87 | 117,837 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,231 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,562 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,475 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,354 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,219 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,783 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,384 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,269 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,028 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,632 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,529 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,377 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,996 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,270 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,289 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,383 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,124 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,631 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,679 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,796 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,470 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,051 |
| Largest Countries By Category | 0 | - | 4.97 | 157,799 |
| Countries by Countries | 0 | - | 4.97 | 62,937 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,347 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,491 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,424 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,487 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,774 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,309 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,421 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,370 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,136 |
| Longest International Borders | 0 | - | 4.99 | 264,829 |
| Countries with Three Borders | 0 | - | 4.96 | 36,500 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,967 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,091 |
| Demonym of Every Country | 0 | - | 4.91 | 59,248 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,286 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,703 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,302 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,753 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,913 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,852 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,841 |
| Island Countries | 0 | - | 4.99 | 710,133 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,048 |
| Northernmost Countries | 0 | - | 4.99 | 360,909 |
| Countries of South America | 0 | - | 5.00 | 924,159 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,876 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,597 |
| "Land" Countries | 0 | - | 4.98 | 336,020 |
| Top World Languages | 0 | - | 4.92 | 821,326 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,368 |
| Globe Grid | 0 | - | 4.32 | 31,987 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,747 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,259 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,283 |
| Countries with Megacities | 0 | - | 4.99 | 262,566 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,116 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,130 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,417 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,179 |
| Cities by Landmark #1 | 0 | - | 3.95 | 44,940 |
| Cities by Landmark #2 | 0 | - | 3.92 | 35,336 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,013 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,136 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,332 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,410 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,130 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,869 |
| Countries by Capital City | 0 | - | 5.00 | 68,131 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,101 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,580 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,097 |
| Moved Capital Cities | 0 | - | 4.96 | 74,139 |
| Countries by Official Language | 0 | - | 4.95 | 194,814 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,766 |
| Countries in their Native Language | 0 | - | 4.99 | 198,356 |
| Independence from Whom | 0 | - | 4.99 | 211,551 |
| Subdivisions by Country | 0 | - | 4.86 | 50,330 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,867 |
| Megadiverse Countries | 0 | - | 4.96 | 134,830 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,685 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,039 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,823 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,440 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,107 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,898 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,533 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,022 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,196 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,044 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,832 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,211 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,380 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,856 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,461 |
| World Map Quiz | 0 | - | 4.81 | 64,744 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,025 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,130 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,672 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,026 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,761 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,608 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,627 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,772 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,908 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,322 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,363 |
| Widest Countries East to West | 0 | - | 4.92 | 129,445 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,406 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,072 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,034 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,587 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,328 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,645 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,282 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,745 |
| Countries with Double Letters | 0 | - | 4.97 | 95,272 |
| Countries that End in N | 0 | - | 4.95 | 170,280 |
| Countries with Five Letters | 0 | - | 4.96 | 281,035 |
| Countries with Six Letters | 0 | - | 4.94 | 212,712 |
| Countries with W | 0 | - | 4.97 | 159,645 |
| Countries with Z | 0 | - | 4.98 | 290,497 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,895 |
| Countries That End in U | 0 | - | 4.95 | 120,478 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,903 |
| Countries that End in O | 0 | - | 4.92 | 159,257 |
| Countries that End in R | 0 | - | 4.87 | 118,777 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,550 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,505 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,265 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,167 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,781 |
| Countries That End in Y | 0 | - | 4.91 | 185,688 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,434 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,529 |
| Countries that End in I | 0 | - | 4.94 | 134,916 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,631 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,631 |
| Countries That End in NIA | 0 | - | 4.92 | 109,578 |
| Countries That End in BIA | 0 | - | 4.93 | 148,924 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,827 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,150 |
| Countries That End in RIA | 0 | - | 4.93 | 126,596 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,734 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,949 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,342 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,725 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,255 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,389 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,749 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,327 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,239 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,249 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,928 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,656 |
| Countries that End in L | 0 | - | 4.94 | 156,612 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,471 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,173 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,882 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,784 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,831 |
