| Landmarks of Countries #1 | 0 | - | 4.88 | 107,602 |
| Boundary Waters | 0 | - | 4.92 | 88,264 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,990 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,690 |
| Landlocked Countries | 0 | - | 4.99 | 417,065 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,158 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,195,279 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,402 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,411 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,344 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,610 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,118 |
| Himalayan Countries | 0 | - | 4.95 | 136,678 |
| Andean Countries | 0 | - | 4.95 | 83,572 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,829 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,108 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,495 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,088 |
| Danube Countries | 0 | - | 4.97 | 71,471 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,279 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,884 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,251 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,242 |
| European Landlocked Countries | 0 | - | 4.99 | 146,172 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,830 |
| Countries with the Most Species | 0 | - | 4.99 | 102,244 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,960 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,349 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,529 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,193 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,842 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,220 |
| Countries in the Alps | 0 | - | 4.86 | 117,396 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,938 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,001 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,284 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,783 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,873 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,295 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,039 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,020 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,847 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,384 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,385 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,221 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,764 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,030 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,037 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,794 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,922 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,454 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,284 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,237 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,686 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,858 |
| Largest Countries By Category | 0 | - | 4.97 | 157,330 |
| Countries by Countries | 0 | - | 4.96 | 62,638 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,929 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,094 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,131 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,143 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,669 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,993 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,333 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,433 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,909 |
| Longest International Borders | 0 | - | 4.99 | 264,366 |
| Countries with Three Borders | 0 | - | 4.96 | 36,369 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,802 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,895 |
| Demonym of Every Country | 0 | - | 4.91 | 58,965 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,978 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,743,660 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,256 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,316 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,847 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,997 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,071 |
| Island Countries | 0 | - | 4.99 | 708,989 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,821 |
| Northernmost Countries | 0 | - | 4.99 | 359,586 |
| Countries of South America | 0 | - | 5.00 | 920,256 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,746 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,117 |
| "Land" Countries | 0 | - | 4.98 | 334,868 |
| Top World Languages | 0 | - | 4.92 | 817,914 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,277 |
| Globe Grid | 0 | - | 4.32 | 31,960 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,580 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,916 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,437 |
| Countries with Megacities | 0 | - | 4.99 | 249,292 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,291 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,635 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,608 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,612 |
| Cities by Landmark #1 | 0 | - | 3.95 | 44,905 |
| Cities by Landmark #2 | 0 | - | 3.92 | 35,303 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,538 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,665 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,081 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,108 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,455 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,253 |
| Countries by Capital City | 0 | - | 5.00 | 67,569 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,797 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,292 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,751 |
| Moved Capital Cities | 0 | - | 4.96 | 73,919 |
| Countries by Official Language | 0 | - | 4.95 | 194,135 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,936 |
| Countries in their Native Language | 0 | - | 4.99 | 197,741 |
| Independence from Whom | 0 | - | 4.99 | 210,914 |
| Subdivisions by Country | 0 | - | 4.86 | 50,216 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,416 |
| Megadiverse Countries | 0 | - | 4.96 | 134,577 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,930 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,093 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,651 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,958 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,493 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,257 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,668 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,580 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,393 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,815 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,393 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,703 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,668 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,880 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,233 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,492 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,689 |
| World Map Quiz | 0 | - | 4.81 | 64,176 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,616 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,743 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,127 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,715 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,444 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,806 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,315 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,504 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,666 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,169 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,805 |
| Widest Countries East to West | 0 | - | 4.92 | 129,187 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,336 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,711 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,939 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,982 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,016 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,393 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,134 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,685 |
| Countries with Double Letters | 0 | - | 4.96 | 94,330 |
| Countries that End in N | 0 | - | 4.95 | 167,986 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 264,817 |
| Countries with Six Letters | 0 | - | 4.93 | 211,432 |
| Countries with W | 0 | - | 4.97 | 158,972 |
| Countries with Z | 0 | - | 4.98 | 288,995 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,184 |
| Countries That End in U | 0 | - | 4.95 | 120,053 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,273 |
| Countries that End in O | 0 | - | 4.92 | 158,941 |
| Countries that End in R | 0 | - | 4.87 | 118,553 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,327 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,863 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,807 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,863 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,441 |
| Countries That End in Y | 0 | - | 4.90 | 185,470 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,920 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,145 |
| Countries that End in I | 0 | - | 4.94 | 134,708 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,754 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,436 |
| Countries That End in NIA | 0 | - | 4.92 | 109,325 |
| Countries That End in BIA | 0 | - | 4.93 | 148,616 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,470 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,816 |
| Countries That End in RIA | 0 | - | 4.93 | 126,375 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,387 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,180 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,915 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,254 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,859 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,178 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,487 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,001 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,887 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,051 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,578 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,270 |
| Countries that End in L | 0 | - | 4.94 | 156,331 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,098 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,089 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,730 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,592 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,646 |
