| NATO Countries | 0 | - | 4.98 | 281,423 |
| EU Countries Quiz | 0 | - | 4.99 | 275,370 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,208 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,302 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,152 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,893 |
| Countries with NO Military | 0 | - | 4.97 | 62,596 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,774 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,569,912 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,398 |
| Landlocked Countries | 0 | - | 4.99 | 421,786 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,620 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,360 |
| Himalayan Countries | 0 | - | 4.95 | 138,642 |
| Andean Countries | 0 | - | 4.93 | 84,565 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,755 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,756 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,387 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,776 |
| Danube Countries | 0 | - | 4.97 | 71,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,991 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,405 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,267 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,745 |
| European Landlocked Countries | 0 | - | 4.99 | 147,125 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,608 |
| Countries with the Most Species | 0 | - | 4.99 | 103,223 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,732 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,577 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,714 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,528 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,211 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,641 |
| Countries in the Alps | 0 | - | 4.87 | 118,183 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,000 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,003 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,632 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,583 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,490 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,937 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,658 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,471 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,169 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,555 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,827 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,643 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,509 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,208 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,452 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,501 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,855 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,292 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,051 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,845 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,051 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,211 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,645 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,700 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,893 |
| Largest Countries By Category | 0 | - | 4.97 | 158,188 |
| Countries by Countries | 0 | - | 4.96 | 63,198 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,639 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,476 |
| Buddhist Countries | 0 | - | 4.96 | 144,566 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,664 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,877 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,897 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,452 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,461 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,098 |
| Island Countries | 0 | - | 4.99 | 710,982 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,663 |
| Northernmost Countries | 0 | - | 4.99 | 361,889 |
| Countries of South America | 0 | - | 5.00 | 927,165 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,608 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,790 |
| "Land" Countries | 0 | - | 4.98 | 337,285 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,727 |
| Orthodox Countries | 0 | - | 4.92 | 132,215 |
| Richest Island Countries | 0 | - | 4.85 | 100,751 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,233 |
| Monarchies of Europe | 0 | - | 4.90 | 98,314 |
| Monarchies of Asia | 0 | - | 4.97 | 71,190 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,090 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,991 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,620 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,608 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,940 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,515 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,579 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,415 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,491 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,687 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,967 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,441 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,537 |
| Countries that Start with D | 0 | - | 4.96 | 711,415 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,270 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,519 |
| Countries that Start with H | 0 | - | 4.96 | 605,996 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,932 |
| Countries that Start with J | 0 | - | 4.98 | 603,616 |
| Countries that Start with K | 0 | - | 4.97 | 817,127 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,306 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,320 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,740 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,075 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,063 |
| Countries that Start with U | 0 | - | 4.97 | 905,499 |
| Countries that Start with V | 0 | - | 4.98 | 610,022 |
| Countries that Start with F | 0 | - | 4.83 | 618,574 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,454 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,976 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,454 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,560 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,837 |
| Countries with Megacities | 0 | - | 4.99 | 264,451 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,703 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,448 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,960 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,513 |
| Countries by Official Language | 0 | - | 4.95 | 195,218 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,318 |
| Countries in their Native Language | 0 | - | 4.99 | 199,011 |
| Independence from Whom | 0 | - | 4.99 | 212,054 |
| Subdivisions by Country | 0 | - | 4.86 | 50,424 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,697 |
| Megadiverse Countries | 0 | - | 4.96 | 134,999 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,054 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,339 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,229 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,096 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,117 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,585 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,445 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,021 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,642 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,139 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,652 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,866 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,195 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,951 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,341 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,340 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,052 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,264 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,979 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,150 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,872 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,994 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,285 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,433 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,561 |
| Widest Countries East to West | 0 | - | 4.92 | 129,628 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,448 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,358 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,114 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,758 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,580 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,852 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,369 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,795 |
| Countries with Double Letters | 0 | - | 4.96 | 96,193 |
| Countries that End in N | 0 | - | 4.95 | 171,070 |
| Countries with Five Letters | 0 | - | 4.96 | 282,367 |
| Countries with Six Letters | 0 | - | 4.94 | 213,498 |
| Countries with W | 0 | - | 4.97 | 160,292 |
| Countries with Z | 0 | - | 4.98 | 291,394 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,659 |
| Countries That End in U | 0 | - | 4.95 | 120,828 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,420 |
| Countries that End in O | 0 | - | 4.92 | 159,495 |
| Countries that End in R | 0 | - | 4.87 | 118,954 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,712 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,039 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,666 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,454 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,368 |
| Countries That End in Y | 0 | - | 4.91 | 185,859 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,879 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,827 |
| Countries that End in I | 0 | - | 4.94 | 135,075 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,058 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,809 |
| Countries That End in NIA | 0 | - | 4.92 | 109,768 |
| Countries That End in BIA | 0 | - | 4.93 | 149,174 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,085 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,403 |
| Countries That End in RIA | 0 | - | 4.93 | 126,795 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,997 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,533 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,668 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,075 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,631 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,562 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,999 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,436 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,405 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,960 |