| NATO Countries | 0 | - | 4.98 | 276,108 |
| EU Countries Quiz | 0 | - | 4.99 | 270,196 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,141 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,619 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,168 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,856 |
| Countries with NO Military | 0 | - | 4.97 | 61,226 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,946 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,953,366 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,730 |
| Landlocked Countries | 0 | - | 4.99 | 413,984 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,340 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,754 |
| Himalayan Countries | 0 | - | 4.95 | 135,493 |
| Andean Countries | 0 | - | 4.94 | 82,891 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,277 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,290 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,970 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,653 |
| Danube Countries | 0 | - | 4.97 | 71,116 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,817 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,578 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,565 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,473 |
| European Landlocked Countries | 0 | - | 4.99 | 145,800 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,266 |
| Countries with the Most Species | 0 | - | 4.99 | 95,261 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,407 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,212 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,977 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,600 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,980 |
| Countries in the Alps | 0 | - | 4.86 | 116,897 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,611 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,334 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,040 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,460 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,221 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,042 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,620 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,787 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,447 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,551 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,104 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,206 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,063 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,481 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,790 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,783 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,153 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,685 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,277 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,828 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,515 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,806 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,624 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,337 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,785 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,186 |
| Largest Countries By Category | 0 | - | 4.97 | 156,835 |
| Countries by Countries | 0 | - | 4.96 | 62,298 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,233 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,981 |
| Buddhist Countries | 0 | - | 4.96 | 143,007 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,810 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,021 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,182 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,551 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,262 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,078 |
| Island Countries | 0 | - | 4.99 | 707,771 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,022 |
| Northernmost Countries | 0 | - | 4.99 | 357,953 |
| Countries of South America | 0 | - | 5.00 | 915,490 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,466 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,861 |
| "Land" Countries | 0 | - | 4.98 | 333,750 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,120 |
| Orthodox Countries | 0 | - | 4.91 | 130,457 |
| Richest Island Countries | 0 | - | 4.84 | 99,589 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,408 |
| Monarchies of Europe | 0 | - | 4.90 | 97,376 |
| Monarchies of Asia | 0 | - | 4.97 | 70,634 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,537 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,454 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,334 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,237 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,564 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,579 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,696 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,332 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,011 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,758 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,843 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,702 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,019 |
| Countries that Start with D | 0 | - | 4.96 | 702,032 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,084 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,455 |
| Countries that Start with H | 0 | - | 4.96 | 598,354 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,731 |
| Countries that Start with J | 0 | - | 4.98 | 596,421 |
| Countries that Start with K | 0 | - | 4.97 | 809,754 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,322 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,214 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,983 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,152 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,556 |
| Countries that Start with U | 0 | - | 4.97 | 900,185 |
| Countries that Start with V | 0 | - | 4.98 | 605,347 |
| Countries that Start with F | 0 | - | 4.83 | 612,513 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,857 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,659 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,012 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,530 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,509 |
| Countries with Megacities | 0 | - | 4.99 | 247,353 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,338 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,127 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,760 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,045 |
| Countries by Official Language | 0 | - | 4.95 | 192,858 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,244 |
| Countries in their Native Language | 0 | - | 4.99 | 196,715 |
| Independence from Whom | 0 | - | 4.99 | 209,801 |
| Subdivisions by Country | 0 | - | 4.86 | 50,085 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,836 |
| Megadiverse Countries | 0 | - | 4.97 | 133,937 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,887 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,937 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,446 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,870 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,719 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,032 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,114 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,188 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,230 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,754 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,669 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,444 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,524 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,522 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,708 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,374 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,444 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,120 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,992 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,882 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,909 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,102 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,312 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,966 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,365 |
| Widest Countries East to West | 0 | - | 4.92 | 128,640 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,276 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,589 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,720 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,671 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,096 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,060 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,596 |
| Countries with Double Letters | 0 | - | 4.96 | 93,454 |
| Countries that End in N | 0 | - | 4.94 | 156,960 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,766 |
| Countries with Six Letters | 0 | - | 4.93 | 210,429 |
| Countries with W | 0 | - | 4.97 | 158,279 |
| Countries with Z | 0 | - | 4.98 | 287,965 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,603 |
| Countries That End in U | 0 | - | 4.95 | 119,541 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,656 |
| Countries that End in O | 0 | - | 4.92 | 158,582 |
| Countries that End in R | 0 | - | 4.87 | 118,298 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,873 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,159 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,387 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,534 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,075 |
| Countries That End in Y | 0 | - | 4.90 | 185,226 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,443 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,738 |
| Countries that End in I | 0 | - | 4.94 | 134,452 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,270 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,227 |
| Countries That End in NIA | 0 | - | 4.92 | 109,037 |
| Countries That End in BIA | 0 | - | 4.92 | 147,744 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,122 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,521 |
| Countries That End in RIA | 0 | - | 4.93 | 126,110 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,043 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,270 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,551 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,928 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,409 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,952 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,160 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,685 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,832 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,861 |
