| NATO Countries | 0 | - | 4.98 | 283,503 |
| EU Countries Quiz | 0 | - | 4.99 | 278,005 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,453 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,056 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,428 |
| Countries with NO Military | 0 | - | 4.97 | 63,429 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,107 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,890,033 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,789 |
| Landlocked Countries | 0 | - | 4.99 | 426,028 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,314 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,351 |
| Himalayan Countries | 0 | - | 4.93 | 140,317 |
| Andean Countries | 0 | - | 4.94 | 85,503 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,648 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,056 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,228 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,461 |
| Danube Countries | 0 | - | 4.97 | 72,420 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,616 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,857 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,160 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,642 |
| European Landlocked Countries | 0 | - | 4.99 | 147,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,328 |
| Countries with the Most Species | 0 | - | 4.99 | 103,575 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,430 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,782 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,850 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,031 |
| Countries in the Alps | 0 | - | 4.87 | 118,799 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,675 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,898 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,973 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,037 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,976 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,425 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,879 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,437 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,707 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,193 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,753 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,572 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,814 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,889 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,630 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,848 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,701 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,783 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,192 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,520 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,313 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,167 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,163 |
| Largest Countries By Category | 0 | - | 4.97 | 158,886 |
| Countries by Countries | 0 | - | 4.96 | 63,660 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,853 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,163 |
| Buddhist Countries | 0 | - | 4.96 | 145,119 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,117 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 336,964 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,713 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,554 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,729 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,772 |
| Island Countries | 0 | - | 4.99 | 712,620 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,921 |
| Northernmost Countries | 0 | - | 4.99 | 364,081 |
| Countries of South America | 0 | - | 5.00 | 932,883 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,600 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,754 |
| "Land" Countries | 0 | - | 4.98 | 338,425 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,449 |
| Orthodox Countries | 0 | - | 4.92 | 132,816 |
| Richest Island Countries | 0 | - | 4.85 | 101,226 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,109 |
| Monarchies of Europe | 0 | - | 4.90 | 98,886 |
| Monarchies of Asia | 0 | - | 4.97 | 71,513 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,226 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,127 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,293 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,207 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,177 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,487 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,786 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,941 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,925 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,996 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,096 |
| Countries that Start with A | 0 | - | 4.98 | 2,175,990 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,705 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,647 |
| Countries that Start with D | 0 | - | 4.96 | 716,551 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,240 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,686 |
| Countries that Start with H | 0 | - | 4.96 | 609,671 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,694 |
| Countries that Start with J | 0 | - | 4.98 | 607,066 |
| Countries that Start with K | 0 | - | 4.97 | 820,853 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,942 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,994 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,139 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,311 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,008 |
| Countries that Start with U | 0 | - | 4.97 | 908,553 |
| Countries that Start with V | 0 | - | 4.98 | 612,061 |
| Countries that Start with F | 0 | - | 4.83 | 621,358 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,394 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,562 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,157 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,103 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,205 |
| Countries with Megacities | 0 | - | 4.99 | 267,199 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,884 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,157 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,203 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,268 |
| Countries by Official Language | 0 | - | 4.95 | 196,026 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,670 |
| Countries in their Native Language | 0 | - | 4.99 | 199,757 |
| Independence from Whom | 0 | - | 4.99 | 213,108 |
| Subdivisions by Country | 0 | - | 4.87 | 50,621 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,467 |
| Megadiverse Countries | 0 | - | 4.96 | 135,289 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,966 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,546 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,700 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,281 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,861 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,130 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,573 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,074 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,262 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,563 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,385 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,449 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,155 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,590 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,724 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,291 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,105 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,578 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,621 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,455 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,554 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,755 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,705 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,750 |
| Widest Countries East to West | 0 | - | 4.92 | 130,517 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,602 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,275 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,524 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,071 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,993 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,499 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,507 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,896 |
| Countries with Double Letters | 0 | - | 4.96 | 97,113 |
| Countries that End in N | 0 | - | 4.95 | 171,987 |
| Countries with Five Letters | 0 | - | 4.96 | 283,861 |
| Countries with Six Letters | 0 | - | 4.94 | 214,518 |
| Countries with W | 0 | - | 4.96 | 160,975 |
| Countries with Z | 0 | - | 4.98 | 292,496 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,311 |
| Countries That End in U | 0 | - | 4.95 | 121,203 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,130 |
| Countries that End in O | 0 | - | 4.92 | 160,228 |
| Countries that End in R | 0 | - | 4.87 | 119,193 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,951 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,880 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,174 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,846 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,776 |
| Countries That End in Y | 0 | - | 4.91 | 186,097 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,485 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,293 |
| Countries that End in I | 0 | - | 4.94 | 135,326 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,650 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,065 |
| Countries That End in NIA | 0 | - | 4.92 | 110,073 |
| Countries That End in BIA | 0 | - | 4.93 | 149,590 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,560 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,786 |
| Countries That End in RIA | 0 | - | 4.93 | 127,070 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,407 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,618 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,201 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,641 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,197 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,815 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,340 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,542 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,659 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,439 |
