| NATO Countries | 0 | - | 4.98 | 278,664 |
| EU Countries Quiz | 0 | - | 4.99 | 272,238 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,889 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,080 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,382 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,703 |
| Countries with NO Military | 0 | - | 4.97 | 61,778 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,297 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,237,673 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,476 |
| Landlocked Countries | 0 | - | 4.99 | 417,548 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,855 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,342 |
| Himalayan Countries | 0 | - | 4.95 | 136,864 |
| Andean Countries | 0 | - | 4.95 | 83,654 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,916 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,236 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,585 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,170 |
| Danube Countries | 0 | - | 4.97 | 71,517 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,348 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,931 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,378 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,424 |
| European Landlocked Countries | 0 | - | 4.99 | 146,232 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,934 |
| Countries with the Most Species | 0 | - | 4.99 | 102,576 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,057 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,372 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,546 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,219 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,881 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,264 |
| Countries in the Alps | 0 | - | 4.86 | 117,477 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,997 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,103 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,330 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,835 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,934 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,352 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,112 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,070 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,880 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,520 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,423 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,416 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,260 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,822 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,085 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,095 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,923 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,967 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,491 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,352 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,584 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,869 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,896 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,944 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,222 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,537 |
| Largest Countries By Category | 0 | - | 4.97 | 157,421 |
| Countries by Countries | 0 | - | 4.96 | 62,709 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,195 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,692 |
| Buddhist Countries | 0 | - | 4.96 | 143,550 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,194 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,263 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,940 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,850 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,225 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,394 |
| Island Countries | 0 | - | 4.99 | 709,222 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,580 |
| Northernmost Countries | 0 | - | 4.99 | 359,888 |
| Countries of South America | 0 | - | 5.00 | 921,138 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,821 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,095 |
| "Land" Countries | 0 | - | 4.98 | 335,392 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,846 |
| Orthodox Countries | 0 | - | 4.92 | 131,099 |
| Richest Island Countries | 0 | - | 4.84 | 100,114 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,772 |
| Monarchies of Europe | 0 | - | 4.90 | 97,800 |
| Monarchies of Asia | 0 | - | 4.97 | 70,895 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,315 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,715 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,955 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,893 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,196 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,895 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,091 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,397 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,832 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,212 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,198 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,279 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,081 |
| Countries that Start with D | 0 | - | 4.96 | 706,170 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,118 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,667 |
| Countries that Start with H | 0 | - | 4.96 | 601,812 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,783 |
| Countries that Start with J | 0 | - | 4.98 | 599,780 |
| Countries that Start with K | 0 | - | 4.97 | 812,918 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,566 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,227 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,986 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,527 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,489 |
| Countries that Start with U | 0 | - | 4.97 | 902,573 |
| Countries that Start with V | 0 | - | 4.98 | 607,693 |
| Countries that Start with F | 0 | - | 4.83 | 615,354 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,144 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,279 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,648 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,029 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,583 |
| Countries with Megacities | 0 | - | 4.99 | 249,599 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,435 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,733 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,779 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,696 |
| Countries by Official Language | 0 | - | 4.95 | 194,382 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,195 |
| Countries in their Native Language | 0 | - | 4.99 | 197,952 |
| Independence from Whom | 0 | - | 4.99 | 211,048 |
| Subdivisions by Country | 0 | - | 4.86 | 50,239 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,502 |
| Megadiverse Countries | 0 | - | 4.96 | 134,669 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,086 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,128 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,685 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,975 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,554 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,290 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,764 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,686 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,431 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,825 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,567 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,637 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,735 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,702 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,917 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,865 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,250 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,790 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,508 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,995 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,386 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,567 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,719 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,194 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,186 |
| Widest Countries East to West | 0 | - | 4.92 | 129,250 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,349 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,784 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,961 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,401 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,077 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,439 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,174 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,703 |
| Countries with Double Letters | 0 | - | 4.97 | 94,757 |
| Countries that End in N | 0 | - | 4.95 | 169,162 |
| Countries with Five Letters | 0 | - | 4.96 | 276,344 |
| Countries with Six Letters | 0 | - | 4.94 | 212,079 |
| Countries with W | 0 | - | 4.97 | 159,270 |
| Countries with Z | 0 | - | 4.98 | 289,431 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,474 |
| Countries That End in U | 0 | - | 4.95 | 120,271 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,496 |
| Countries that End in O | 0 | - | 4.92 | 159,084 |
| Countries that End in R | 0 | - | 4.87 | 118,643 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,421 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,061 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,937 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,955 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,544 |
| Countries That End in Y | 0 | - | 4.90 | 185,559 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,034 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,254 |
| Countries that End in I | 0 | - | 4.94 | 134,765 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,864 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,489 |
| Countries That End in NIA | 0 | - | 4.92 | 109,411 |
| Countries That End in BIA | 0 | - | 4.93 | 148,702 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,566 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,915 |
| Countries That End in RIA | 0 | - | 4.93 | 126,431 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,508 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,349 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,025 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,363 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,971 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,241 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,568 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,100 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,122 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,362 |
