| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,773 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,272 |
| Richest Island Countries | 0 | - | 4.84 | 100,094 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,081 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,313 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,821 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,194 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,626 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,561 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,533 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,646 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,224 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,209 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,523 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,917 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,957 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,866 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,177 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,888 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,451 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,286 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,870 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,346 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,400 |
| NATO Countries | 0 | - | 4.98 | 278,593 |
| EU Countries Quiz | 0 | - | 4.99 | 272,153 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,820 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,984 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,325 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,671 |
| Countries with NO Military | 0 | - | 4.97 | 61,753 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,281 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,227,660 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.53 | 289,084 |
| Five Richest Countries by Continent | 0 | - | 4.69 | 206,888 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,554 |
| Landlocked Countries | 0 | - | 4.99 | 417,436 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,121 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,219 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,495 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,928 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,657 |
| Buddhist Countries | 0 | - | 4.96 | 143,534 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,746,929 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,118 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,970 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,291 |
| Himalayan Countries | 0 | - | 4.95 | 136,815 |
| Andean Countries | 0 | - | 4.95 | 83,633 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,886 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,211 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,560 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,155 |
| Danube Countries | 0 | - | 4.97 | 71,506 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,337 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,923 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,343 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,379 |
| European Landlocked Countries | 0 | - | 4.99 | 146,218 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,910 |
| Countries with the Most Species | 0 | - | 4.99 | 102,507 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,034 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,363 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,541 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,212 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,872 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,251 |
| Countries in the Alps | 0 | - | 4.86 | 117,459 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,080 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,321 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,828 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,335 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,095 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,057 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,874 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,414 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,412 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,253 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,805 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,073 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,082 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,885 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,955 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,482 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,815 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,328 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,510 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,823 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,887 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,754 |
| Largest Countries By Category | 0 | - | 4.97 | 157,395 |
| Orthodox Countries | 0 | - | 4.92 | 131,074 |
| Countries by Countries | 0 | - | 4.96 | 62,690 |
| Monarchies of Europe | 0 | - | 4.90 | 97,791 |
| Monarchies of Asia | 0 | - | 4.97 | 70,888 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,287 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,177 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,708 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,931 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,893 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,999 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,853 |
| Countries that Start with D | 0 | - | 4.96 | 706,011 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,929 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,476 |
| Countries that Start with H | 0 | - | 4.96 | 601,684 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,628 |
| Countries that Start with J | 0 | - | 4.98 | 599,650 |
| Countries that Start with K | 0 | - | 4.97 | 812,797 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,277 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,086 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,853 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,301 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,372 |
| Countries that Start with U | 0 | - | 4.97 | 902,481 |
| Countries that Start with V | 0 | - | 4.98 | 607,623 |
| Countries that Start with F | 0 | - | 4.83 | 615,249 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,972 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,260 |
| European Countries with One Border | 0 | - | 4.97 | 182,268 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,125 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,013 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,736 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,185 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,338 |
| Island Countries | 0 | - | 4.99 | 709,175 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,089 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 22,867 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,481 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,406 |
| Northernmost Countries | 0 | - | 4.99 | 359,821 |
| Countries of South America | 0 | - | 5.00 | 920,838 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,569 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,603 |
| "Land" Countries | 0 | - | 4.98 | 335,319 |
| Countries That Border Russia | 0 | - | 4.98 | 460,647 |
| Countries Bordering France | 0 | - | 4.83 | 401,446 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,253 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,388 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.69 | 93,501 |
| Companies by Country | 0 | - | 4.61 | 119,097 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,720 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,608 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,736 |
| Countries with the Most Exports per Capita | 0 | - | 4.56 | 38,817 |
| Top 10 Countries by Per Capita Crude Oil Production | 0 | - | 4.74 | 57,044 |
| Top 10 Geothermal Countries | 0 | - | 4.56 | 32,078 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,094 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,792 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,435 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,947 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,211 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,187 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,550 |
| Countries with Megacities | 0 | - | 4.99 | 249,532 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,400 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,710 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,735 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,676 |
| Countries by Official Language | 0 | - | 4.95 | 194,324 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,147 |
| Countries in their Native Language | 0 | - | 4.99 | 197,915 |
| Independence from Whom | 0 | - | 4.99 | 211,020 |
| Subdivisions by Country | 0 | - | 4.86 | 50,235 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,486 |
| Megadiverse Countries | 0 | - | 4.96 | 134,642 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,058 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,123 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,678 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,971 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,537 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,285 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,736 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,658 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,417 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,824 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,529 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,632 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,732 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,692 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,825 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,224 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,764 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,493 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,951 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,375 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,545 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,703 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,192 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,175 |
| Widest Countries East to West | 0 | - | 4.92 | 129,245 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,345 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,769 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,953 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,246 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,064 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,435 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,166 |