| NATO Countries | 0 | - | 4.98 | 277,032 |
| EU Countries Quiz | 0 | - | 4.99 | 270,764 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,609 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,275 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,511 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,064 |
| Countries with NO Military | 0 | - | 4.97 | 61,330 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,023 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,031,033 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,604 |
| Landlocked Countries | 0 | - | 4.99 | 415,029 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,187 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,162 |
| Himalayan Countries | 0 | - | 4.95 | 135,861 |
| Andean Countries | 0 | - | 4.94 | 83,106 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,430 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,547 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,136 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,790 |
| Danube Countries | 0 | - | 4.97 | 71,234 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,956 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,673 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,794 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,712 |
| European Landlocked Countries | 0 | - | 4.99 | 145,937 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,456 |
| Countries with the Most Species | 0 | - | 4.99 | 95,322 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,598 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,253 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,427 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,043 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,697 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,055 |
| Countries in the Alps | 0 | - | 4.86 | 117,068 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,721 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,530 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,138 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,558 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,337 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,122 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,750 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,876 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,658 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,833 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,185 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,258 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,125 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,586 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,855 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,868 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,387 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,772 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,338 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,980 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,085 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,106 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,705 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,491 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,874 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,276 |
| Largest Countries By Category | 0 | - | 4.97 | 156,979 |
| Countries by Countries | 0 | - | 4.96 | 62,410 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,684 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,145 |
| Buddhist Countries | 0 | - | 4.96 | 143,160 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,911 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,356 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,382 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,569 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,633 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,591 |
| Island Countries | 0 | - | 4.99 | 708,187 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,327 |
| Northernmost Countries | 0 | - | 4.99 | 358,530 |
| Countries of South America | 0 | - | 5.00 | 917,319 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,468 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,183 |
| "Land" Countries | 0 | - | 4.98 | 334,020 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,304 |
| Orthodox Countries | 0 | - | 4.91 | 130,613 |
| Richest Island Countries | 0 | - | 4.84 | 99,731 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,079 |
| Monarchies of Europe | 0 | - | 4.90 | 97,497 |
| Monarchies of Asia | 0 | - | 4.97 | 70,697 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,038 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,727 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,520 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,539 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,425 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,708 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,662 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,797 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 265,372 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,422 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,874 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,207 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,826 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,701 |
| Countries that Start with D | 0 | - | 4.96 | 703,201 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,476 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,904 |
| Countries that Start with H | 0 | - | 4.96 | 599,287 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,882 |
| Countries that Start with J | 0 | - | 4.98 | 597,359 |
| Countries that Start with K | 0 | - | 4.97 | 810,625 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,432 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,349 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,023 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,676 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,350 |
| Countries that Start with U | 0 | - | 4.97 | 900,833 |
| Countries that Start with V | 0 | - | 4.98 | 605,934 |
| Countries that Start with F | 0 | - | 4.83 | 613,325 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,043 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,829 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,183 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,674 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,813 |
| Countries with Megacities | 0 | - | 4.99 | 248,010 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,690 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,300 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,071 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,250 |
| Countries by Official Language | 0 | - | 4.95 | 193,088 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,570 |
| Countries in their Native Language | 0 | - | 4.99 | 196,930 |
| Independence from Whom | 0 | - | 4.99 | 210,066 |
| Subdivisions by Country | 0 | - | 4.86 | 50,127 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,003 |
| Megadiverse Countries | 0 | - | 4.97 | 134,118 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,090 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,998 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,518 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,897 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,837 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,105 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,283 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,366 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,281 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,776 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,845 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,492 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,600 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,573 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,770 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,531 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,722 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,473 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,203 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,219 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,077 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,281 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,468 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,053 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,505 |
| Widest Countries East to West | 0 | - | 4.92 | 128,997 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,278 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,436 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,637 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,838 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,787 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,199 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,276 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.96 | 93,641 |
| Countries that End in N | 0 | - | 4.94 | 157,105 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,977 |
| Countries with Six Letters | 0 | - | 4.93 | 210,637 |
| Countries with W | 0 | - | 4.97 | 158,399 |
| Countries with Z | 0 | - | 4.98 | 288,188 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,729 |
| Countries That End in U | 0 | - | 4.95 | 119,596 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,839 |
| Countries that End in O | 0 | - | 4.92 | 158,637 |
| Countries that End in R | 0 | - | 4.87 | 118,360 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,922 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,370 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,516 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,625 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,173 |
| Countries That End in Y | 0 | - | 4.90 | 185,277 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,583 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,871 |
| Countries that End in I | 0 | - | 4.94 | 134,523 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,431 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,284 |
| Countries That End in NIA | 0 | - | 4.92 | 109,107 |
| Countries That End in BIA | 0 | - | 4.92 | 147,837 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,227 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,618 |
| Countries That End in RIA | 0 | - | 4.93 | 126,183 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,152 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,649 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,648 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,007 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,544 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,015 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,265 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,769 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,881 |