| NATO Countries | 0 | - | 4.98 | 279,638 |
| EU Countries Quiz | 0 | - | 4.99 | 273,290 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,756 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,328 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,956 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,131 |
| Countries with NO Military | 0 | - | 4.97 | 62,063 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,376,349 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,625 |
| Landlocked Countries | 0 | - | 4.99 | 419,497 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,381 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,222 |
| Himalayan Countries | 0 | - | 4.95 | 137,664 |
| Andean Countries | 0 | - | 4.95 | 84,059 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,305 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,808 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,924 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,420 |
| Danube Countries | 0 | - | 4.97 | 71,724 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,638 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,750 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,824 |
| European Landlocked Countries | 0 | - | 4.99 | 146,838 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,206 |
| Countries with the Most Species | 0 | - | 4.99 | 102,982 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,363 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,448 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,610 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,348 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,023 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,417 |
| Countries in the Alps | 0 | - | 4.87 | 117,776 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,086 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,165 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,759 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,353 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,242 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,005 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,943 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,604 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,514 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,363 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,971 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,258 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,294 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,098 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,600 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,629 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,628 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,366 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,030 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,240 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,436 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,701 |
| Largest Countries By Category | 0 | - | 4.97 | 157,745 |
| Countries by Countries | 0 | - | 4.96 | 62,897 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,159 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,007 |
| Buddhist Countries | 0 | - | 4.96 | 144,185 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,385 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,119 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,326 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,481 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,756 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,437 |
| Island Countries | 0 | - | 4.99 | 709,998 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,677 |
| Northernmost Countries | 0 | - | 4.99 | 360,743 |
| Countries of South America | 0 | - | 5.00 | 923,726 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,174 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,360 |
| "Land" Countries | 0 | - | 4.98 | 335,934 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,220 |
| Orthodox Countries | 0 | - | 4.92 | 131,421 |
| Richest Island Countries | 0 | - | 4.84 | 100,381 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,012 |
| Monarchies of Europe | 0 | - | 4.90 | 98,022 |
| Monarchies of Asia | 0 | - | 4.97 | 71,024 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,756 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,661 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,811 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,239 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,232 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,530 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,337 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,343 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,831 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,153 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,432 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,272 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,088 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,210 |
| Countries that Start with D | 0 | - | 4.96 | 708,294 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,647 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,384 |
| Countries that Start with H | 0 | - | 4.96 | 603,664 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,800 |
| Countries that Start with J | 0 | - | 4.98 | 601,458 |
| Countries that Start with K | 0 | - | 4.97 | 814,798 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,544 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,526 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,969 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,178 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,921 |
| Countries that Start with U | 0 | - | 4.97 | 903,748 |
| Countries that Start with V | 0 | - | 4.98 | 608,758 |
| Countries that Start with F | 0 | - | 4.83 | 616,744 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,333 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,578 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,029 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,242 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,183 |
| Countries with Megacities | 0 | - | 4.99 | 261,941 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,042 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,083 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,336 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,118 |
| Countries by Official Language | 0 | - | 4.95 | 194,751 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,680 |
| Countries in their Native Language | 0 | - | 4.99 | 198,288 |
| Independence from Whom | 0 | - | 4.99 | 211,462 |
| Subdivisions by Country | 0 | - | 4.86 | 50,310 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,810 |
| Megadiverse Countries | 0 | - | 4.96 | 134,805 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,624 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,209 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,781 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,031 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,769 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,417 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,057 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,878 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,517 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,009 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,117 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,746 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,023 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,808 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,183 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,086 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,629 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,000 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,719 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,499 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,596 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,739 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,878 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,301 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,336 |
| Widest Countries East to West | 0 | - | 4.92 | 129,422 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,400 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,017 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,016 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,561 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,286 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,608 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,261 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,736 |
| Countries with Double Letters | 0 | - | 4.97 | 95,177 |
| Countries that End in N | 0 | - | 4.95 | 170,175 |
| Countries with Five Letters | 0 | - | 4.96 | 280,804 |
| Countries with Six Letters | 0 | - | 4.94 | 212,612 |
| Countries with W | 0 | - | 4.97 | 159,582 |
| Countries with Z | 0 | - | 4.98 | 289,971 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,819 |
| Countries That End in U | 0 | - | 4.95 | 120,441 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,831 |
| Countries that End in O | 0 | - | 4.92 | 159,230 |
| Countries that End in R | 0 | - | 4.87 | 118,757 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,535 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,433 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,179 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,132 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,726 |
| Countries That End in Y | 0 | - | 4.91 | 185,669 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,330 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,492 |
| Countries that End in I | 0 | - | 4.94 | 134,902 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,201 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,606 |
| Countries That End in NIA | 0 | - | 4.92 | 109,546 |
| Countries That End in BIA | 0 | - | 4.93 | 148,893 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,782 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,113 |
| Countries That End in RIA | 0 | - | 4.93 | 126,569 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,699 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,857 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,302 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,684 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,209 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,363 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,725 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,291 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,230 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,606 |
