| NATO Countries | 0 | - | 4.98 | 278,775 |
| EU Countries Quiz | 0 | - | 4.99 | 272,361 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,981 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,228 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,454 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,757 |
| Countries with NO Military | 0 | - | 4.97 | 61,810 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,314 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,253,598 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,606 |
| Landlocked Countries | 0 | - | 4.99 | 417,815 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,749,472 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,446 |
| Himalayan Countries | 0 | - | 4.94 | 136,950 |
| Andean Countries | 0 | - | 4.95 | 83,701 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,947 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,293 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,619 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,199 |
| Danube Countries | 0 | - | 4.97 | 71,541 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,378 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,954 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,431 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,495 |
| European Landlocked Countries | 0 | - | 4.99 | 146,453 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,968 |
| Countries with the Most Species | 0 | - | 4.99 | 102,661 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,099 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,380 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,551 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,234 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,899 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,278 |
| Countries in the Alps | 0 | - | 4.86 | 117,513 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,014 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,147 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,343 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,861 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,965 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,370 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,136 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,090 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,893 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,574 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,447 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,424 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,278 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,834 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,104 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,121 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,965 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,984 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,509 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,383 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,735 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,926 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,913 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,980 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,249 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,555 |
| Largest Countries By Category | 0 | - | 4.97 | 157,459 |
| Countries by Countries | 0 | - | 4.96 | 62,733 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,311 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,728 |
| Buddhist Countries | 0 | - | 4.96 | 143,572 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,214 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,331 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,991 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,006 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,289 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,514 |
| Island Countries | 0 | - | 4.99 | 709,299 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,818 |
| Northernmost Countries | 0 | - | 4.99 | 359,969 |
| Countries of South America | 0 | - | 5.00 | 921,450 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,206 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,830 |
| "Land" Countries | 0 | - | 4.98 | 335,484 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,899 |
| Orthodox Countries | 0 | - | 4.92 | 131,134 |
| Richest Island Countries | 0 | - | 4.84 | 100,162 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,232 |
| Monarchies of Europe | 0 | - | 4.90 | 97,835 |
| Monarchies of Asia | 0 | - | 4.97 | 70,910 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,351 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,723 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,988 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,933 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,232 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,904 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,132 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,603 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,875 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,245 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,621 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,687 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,433 |
| Countries that Start with D | 0 | - | 4.96 | 706,424 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,378 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,982 |
| Countries that Start with H | 0 | - | 4.96 | 602,047 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,018 |
| Countries that Start with J | 0 | - | 4.98 | 599,990 |
| Countries that Start with K | 0 | - | 4.97 | 813,111 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,810 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,624 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,197 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,831 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,649 |
| Countries that Start with U | 0 | - | 4.97 | 902,695 |
| Countries that Start with V | 0 | - | 4.98 | 607,803 |
| Countries that Start with F | 0 | - | 4.83 | 615,536 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,366 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,312 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,709 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,059 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,653 |
| Countries with Megacities | 0 | - | 4.99 | 249,712 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,490 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,766 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,826 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,741 |
| Countries by Official Language | 0 | - | 4.95 | 194,428 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,250 |
| Countries in their Native Language | 0 | - | 4.99 | 197,990 |
| Independence from Whom | 0 | - | 4.99 | 211,095 |
| Subdivisions by Country | 0 | - | 4.86 | 50,247 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,539 |
| Megadiverse Countries | 0 | - | 4.96 | 134,687 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,116 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,141 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,695 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,984 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,577 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,306 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,799 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,720 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,442 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,881 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,609 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,653 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,821 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,720 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,998 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,901 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,288 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,806 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,529 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,033 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,409 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,585 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,740 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,208 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,197 |
| Widest Countries East to West | 0 | - | 4.92 | 129,258 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,356 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,811 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,964 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,433 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,101 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,457 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,182 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,706 |
| Countries with Double Letters | 0 | - | 4.97 | 94,827 |
| Countries that End in N | 0 | - | 4.95 | 169,349 |
| Countries with Five Letters | 0 | - | 4.96 | 277,531 |
| Countries with Six Letters | 0 | - | 4.94 | 212,177 |
| Countries with W | 0 | - | 4.97 | 159,323 |
| Countries with Z | 0 | - | 4.98 | 289,525 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,532 |
| Countries That End in U | 0 | - | 4.95 | 120,303 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,543 |
| Countries that End in O | 0 | - | 4.92 | 159,116 |
| Countries that End in R | 0 | - | 4.87 | 118,665 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,447 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,118 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,977 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,983 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,570 |
| Countries That End in Y | 0 | - | 4.90 | 185,584 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,067 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,288 |
| Countries that End in I | 0 | - | 4.94 | 134,793 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,909 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,511 |
| Countries That End in NIA | 0 | - | 4.92 | 109,429 |
| Countries That End in BIA | 0 | - | 4.93 | 148,733 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,595 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,946 |
| Countries That End in RIA | 0 | - | 4.93 | 126,443 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,532 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,413 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,070 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,412 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,993 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,253 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,584 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,123 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,134 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,391 |
