| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,575 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,700 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,934 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,198 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,803,014 |
| Landlocked Countries | 0 | - | 4.99 | 414,044 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,234 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,957,081 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,602 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,322 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,135 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,802 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,032 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,771 |
| Himalayan Countries | 0 | - | 4.95 | 135,514 |
| Andean Countries | 0 | - | 4.94 | 82,908 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,286 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,303 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,979 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,660 |
| Danube Countries | 0 | - | 4.97 | 71,120 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,823 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,584 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,580 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,487 |
| European Landlocked Countries | 0 | - | 4.99 | 145,807 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,275 |
| Countries with the Most Species | 0 | - | 4.99 | 95,271 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,417 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,215 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,981 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,607 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,988 |
| Countries in the Alps | 0 | - | 4.86 | 116,904 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,615 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,343 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,047 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,464 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,229 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,627 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,802 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,465 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,107 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,207 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,070 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,482 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,796 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,784 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,160 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,695 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,283 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,835 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,541 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,826 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,628 |
| Largest Countries By Category | 0 | - | 4.97 | 156,842 |
| Countries by Countries | 0 | - | 4.96 | 62,304 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,473 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,978 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,345 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,842 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,159 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,814 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,715 |
| Pixelated World Map | 0 | - | 5.00 | 142,511 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,795 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,607 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,913 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,395 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,618 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,280 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,101 |
| Island Countries | 0 | - | 4.99 | 707,785 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,084 |
| Northernmost Countries | 0 | - | 4.99 | 357,973 |
| Countries of South America | 0 | - | 5.00 | 915,584 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,585 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,044 |
| "Land" Countries | 0 | - | 4.98 | 333,759 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,531 |
| Countries with Megacities | 0 | - | 4.99 | 247,389 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,355 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,139 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,775 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,056 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,884 |
| Countries by Official Language | 0 | - | 4.95 | 192,870 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,260 |
| Countries in their Native Language | 0 | - | 4.99 | 196,725 |
| Independence from Whom | 0 | - | 4.99 | 209,811 |
| Subdivisions by Country | 0 | - | 4.86 | 50,088 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,842 |
| Megadiverse Countries | 0 | - | 4.97 | 133,944 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,897 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,940 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,448 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,871 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,723 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,034 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,121 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,191 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,236 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,755 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,681 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,444 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,528 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,524 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,713 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,045 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,404 |
| World Map Quiz | 0 | - | 4.81 | 63,586 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,382 |
| Countries by Founding Story | 0 | - | 4.95 | 76,589 |
| Countries by Road Signs | 0 | - | 4.98 | 53,151 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,326 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,453 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,154 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,996 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,898 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,913 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,105 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,316 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,971 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,366 |
| Widest Countries East to West | 0 | - | 4.92 | 128,645 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,283 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,591 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,722 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,676 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,099 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,060 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,596 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,541 |
| Countries with Double Letters | 0 | - | 4.96 | 93,464 |
| Countries that End in N | 0 | - | 4.94 | 156,965 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,770 |
| Countries with Six Letters | 0 | - | 4.93 | 210,434 |
| Countries with W | 0 | - | 4.97 | 158,284 |
| Countries with Z | 0 | - | 4.98 | 287,977 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,611 |
| Countries That End in U | 0 | - | 4.95 | 119,542 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,664 |
| Countries that End in O | 0 | - | 4.92 | 158,585 |
| Countries that End in R | 0 | - | 4.87 | 118,299 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,875 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,173 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,394 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,538 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,079 |
| Countries That End in Y | 0 | - | 4.90 | 185,229 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,451 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,746 |
| Countries that End in I | 0 | - | 4.94 | 134,458 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,279 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,232 |
| Countries That End in NIA | 0 | - | 4.92 | 109,044 |
| Countries That End in BIA | 0 | - | 4.92 | 147,749 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,128 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,527 |
| Countries That End in RIA | 0 | - | 4.93 | 126,117 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,050 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,274 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,552 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,932 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,415 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,952 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,165 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,694 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,551 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,835 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,202 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,868 |
| Countries that End in L | 0 | - | 4.94 | 155,783 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,493 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,997 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,541 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,341 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,461 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,367 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,277 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 133,501 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,343 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,609 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,667 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,688 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,184 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,435 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,352 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 144,846 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,364 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,285 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,168 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,722 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,216 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,886 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,855 |
| One Border Countries | 0 | - | 4.98 | 464,741 |
