| NATO Countries Quiz | 0 | - | 4.98 | 227,838 |
| EU Countries Quiz | 0 | - | 4.99 | 230,041 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 227,855 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 231,183 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,436 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 126,778 |
| Countries with NO Military | 0 | - | 4.97 | 50,372 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,316 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,423,955 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,433 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,130,681 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,197,947 |
| Majority Muslim Countries | 0 | - | 4.97 | 315,825 |
| Members of the Arab League | 0 | - | 4.85 | 64,780 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,057 |
| Himalayan Countries | 0 | - | 4.95 | 107,007 |
| Andean Countries | 0 | - | 4.91 | 59,526 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,584 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,328 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,707 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,576 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,885 |
| Danube Countries | 0 | - | 4.96 | 57,016 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,032 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,126 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,125 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,999 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,278 |
| European Landlocked Countries | 0 | - | 4.99 | 136,616 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,403 |
| Countries with the Most Species | 0 | - | 4.99 | 89,720 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,907 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,898 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,193 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,744 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,682 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,961 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,582 |
| Countries in the Alps | 0 | - | 4.84 | 103,384 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,993 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,507 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,997 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,057 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,541 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,026 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,182 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,526 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,549 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,081 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,120 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,883 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,843 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,886 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,235 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,392 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,960 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,543 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,709 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,786 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,804 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,613 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,260 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,164 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,011 |
| Largest Countries By Category | 0 | - | 4.97 | 145,846 |
| Countries by Countries | 0 | - | 4.96 | 55,214 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 73,889 |
| Buddhist Countries | 0 | - | 4.96 | 131,666 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,023 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,221 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,251 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,639 |
| Island Countries Quiz | 0 | - | 4.99 | 665,337 |
| Biggest Countries by Area | 0 | - | 5.00 | 941,278 |
| Northernmost Countries | 0 | - | 4.99 | 329,522 |
| Countries of South America | 0 | - | 5.00 | 803,306 |
| Countries of Oceania | 0 | - | 5.00 | 905,371 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,595,343 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,722 |
| Orthodox Countries | 0 | - | 4.91 | 118,709 |
| Richest Island Countries | 0 | - | 4.87 | 88,593 |
| Monarchies of Europe | 0 | - | 4.88 | 87,693 |
| Monarchies of Asia | 0 | - | 4.95 | 54,487 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,500 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,256 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 283,615 |
| Countries with the Most Muslims | 0 | - | 4.93 | 132,894 |
| Countries with the Most Exports | 0 | - | 4.96 | 139,000 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 163,898 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,156 |
| Largest Economies in 2050 | 0 | - | 4.89 | 100,826 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,032 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,466 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 67,362 |
| Countries that Start with A | 0 | - | 4.98 | 1,962,101 |
| Countries that Start with B | 0 | - | 4.95 | 2,101,101 |
| Countries that Start with C | 0 | - | 4.96 | 1,662,385 |
| Countries that Start with D | 0 | - | 4.96 | 603,237 |
| Countries that Start with E | 0 | - | 4.95 | 1,244,544 |
| Countries that Start with G | 0 | - | 4.97 | 1,364,201 |
| Countries that Start with H | 0 | - | 4.96 | 514,553 |
| Countries that Start with I | 0 | - | 4.92 | 1,173,386 |
| Countries that Start with J | 0 | - | 4.98 | 517,246 |
| Countries that Start with K | 0 | - | 4.96 | 722,362 |
| Countries that Start with L | 0 | - | 4.98 | 981,968 |
| Countries that Start with N | 0 | - | 4.93 | 1,008,412 |
| Countries that Start with P | 0 | - | 4.95 | 1,110,788 |
| Countries that Start with S | 0 | - | 4.98 | 1,617,740 |
| Countries that Start with T | 0 | - | 4.89 | 919,423 |
| Countries that Start with U | 0 | - | 4.96 | 829,102 |
| Countries that Start with V | 0 | - | 4.98 | 555,271 |
| Countries that Start with F | 0 | - | 4.83 | 544,481 |
| Countries that Start with M | 0 | - | 4.97 | 1,264,877 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,548 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,410 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,299 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,781 |
| Countries with Megacities | 0 | - | 4.99 | 200,056 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,617 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,095 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,154 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,078 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,863 |
| Countries by Official Language | 0 | - | 4.96 | 174,324 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,489 |
| Countries in their Native Language | 0 | - | 4.98 | 179,502 |
| Independence from Whom | 0 | - | 4.99 | 187,758 |
| Subdivisions by Country | 0 | - | 4.82 | 46,719 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,730 |
| Megadiverse Countries | 0 | - | 4.96 | 126,218 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,624 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,195 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,654 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,437 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,559 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,918 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,730 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,426 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,696 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,554 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,992 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,636 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,179 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,069 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,223 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,684 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,997 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,249 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,960 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,127 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,516 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,590 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,641 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,115 |
| Widest Countries East to West | 0 | - | 4.93 | 120,079 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,013 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,901 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,430 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,039 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,206 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,108 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,810 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,657 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,272 |
| Countries with Double Letters | 0 | - | 4.96 | 70,157 |
| Countries that End in N | 0 | - | 4.94 | 134,374 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,730 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,093 |
| Countries with W | 0 | - | 4.96 | 124,291 |
| Countries with Z | 0 | - | 4.98 | 246,422 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,537 |
| Countries That End in U | 0 | - | 4.95 | 108,404 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,959 |
| Countries that End in O | 0 | - | 4.92 | 147,941 |
| Countries that End in R | 0 | - | 4.84 | 96,896 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,701 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,857 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,017 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,205 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,133 |
| Countries That End in Y | 0 | - | 4.90 | 162,049 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,171 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,829 |
| Countries that End in I | 0 | - | 4.92 | 114,902 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,719 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,006 |
| Countries That End in NIA | 0 | - | 4.93 | 101,422 |
| Countries That End in BIA | 0 | - | 4.91 | 126,815 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,407 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,468 |
| Countries That End in RIA | 0 | - | 4.90 | 101,530 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,186 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,132 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,827 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 111,893 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,507 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,289 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,331 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,744 |
