| Boundary Waters | 0 | - | 4.92 | 88,212 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,950 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,628 |
| Landlocked Countries | 0 | - | 4.99 | 416,432 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,144,743 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,353 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,319 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,254 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,509 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,821 |
| Himalayan Countries | 0 | - | 4.95 | 136,414 |
| Andean Countries | 0 | - | 4.95 | 83,435 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,706 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,926 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,385 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,986 |
| Danube Countries | 0 | - | 4.97 | 71,375 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,178 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,833 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,110 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,061 |
| European Landlocked Countries | 0 | - | 4.99 | 146,106 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,720 |
| Countries with the Most Species | 0 | - | 4.99 | 100,924 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,864 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,494 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,793 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,164 |
| Countries in the Alps | 0 | - | 4.86 | 117,299 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,877 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,838 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,236 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,720 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,793 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,231 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,958 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,980 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,786 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,313 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,195 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,703 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,979 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,990 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,663 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,875 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,412 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,209 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,871 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,510 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,807 |
| Largest Countries By Category | 0 | - | 4.97 | 157,221 |
| Countries by Countries | 0 | - | 4.96 | 62,572 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,849 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,072 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,065 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,008 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,614 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,896 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,320 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,171 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,832 |
| Longest International Borders | 0 | - | 4.99 | 264,264 |
| Countries with Three Borders | 0 | - | 4.96 | 36,340 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,766 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,858 |
| Demonym of Every Country | 0 | - | 4.91 | 58,891 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,929 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,980 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,243 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,633 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,308 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,732 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,597 |
| Island Countries | 0 | - | 4.99 | 708,742 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,061 |
| Northernmost Countries | 0 | - | 4.99 | 359,252 |
| Countries of South America | 0 | - | 5.00 | 919,339 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,241 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,862 |
| "Land" Countries | 0 | - | 4.98 | 334,489 |
| Top World Languages | 0 | - | 4.92 | 816,971 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,258 |
| Globe Grid | 0 | - | 4.32 | 31,956 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,533 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,837 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,213 |
| Countries with Megacities | 0 | - | 4.99 | 248,811 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,065 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,514 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,435 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,461 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,419 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,538 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,029 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,024 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,264 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,116 |
| Countries by Capital City | 0 | - | 5.00 | 67,417 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,708 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,227 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,670 |
| Moved Capital Cities | 0 | - | 4.96 | 73,859 |
| Countries by Official Language | 0 | - | 4.95 | 193,943 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,449 |
| Countries in their Native Language | 0 | - | 4.99 | 197,564 |
| Independence from Whom | 0 | - | 4.99 | 210,678 |
| Subdivisions by Country | 0 | - | 4.86 | 50,188 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,281 |
| Megadiverse Countries | 0 | - | 4.96 | 134,522 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,771 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,071 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,618 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,943 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,416 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,201 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,531 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,529 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,356 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,803 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,127 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,572 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,674 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,632 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,841 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,185 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,863 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,471 |
| World Map Quiz | 0 | - | 4.81 | 64,032 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,236 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,668 |
| Countries by Founding Story | 0 | - | 4.95 | 76,844 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,015 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,639 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,373 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,633 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,233 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,433 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,601 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,133 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,621 |
| Widest Countries East to West | 0 | - | 4.92 | 129,122 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,320 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,620 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,903 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,938 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,958 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,335 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,059 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,664 |
| Countries with Double Letters | 0 | - | 4.96 | 93,993 |
| Countries that End in N | 0 | - | 4.94 | 163,487 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,428 |
| Countries with Six Letters | 0 | - | 4.93 | 211,010 |
| Countries with W | 0 | - | 4.97 | 158,705 |
| Countries with Z | 0 | - | 4.98 | 288,617 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,959 |
| Countries That End in U | 0 | - | 4.95 | 119,830 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,092 |
| Countries that End in O | 0 | - | 4.92 | 158,799 |
| Countries that End in R | 0 | - | 4.87 | 118,473 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,006 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,662 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,697 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,774 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,343 |
| Countries That End in Y | 0 | - | 4.90 | 185,383 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,786 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,044 |
| Countries that End in I | 0 | - | 4.94 | 134,636 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,656 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,386 |
| Countries That End in NIA | 0 | - | 4.92 | 109,271 |
| Countries That End in BIA | 0 | - | 4.93 | 148,513 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,391 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,741 |
| Countries That End in RIA | 0 | - | 4.93 | 126,311 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,299 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,015 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,820 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,165 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,736 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,120 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,406 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,919 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,805 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,980 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,484 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,157 |
| Countries that End in L | 0 | - | 4.94 | 156,258 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,764 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,053 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,701 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,545 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,603 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,265 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,783 |
