| Richest Island Countries | 0 | - | 4.85 | 100,569 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,477 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,687 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,329 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,566 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,230 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,220 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,429 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,919 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,570 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,801 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,510 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,603 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,168 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,445 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,752 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,430 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,476,485 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,514 |
| NATO Countries | 0 | - | 4.98 | 280,561 |
| EU Countries Quiz | 0 | - | 4.99 | 274,413 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,488 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,364 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,624 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,578 |
| Countries with NO Military | 0 | - | 4.97 | 62,366 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,208 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,174 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,927 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,627 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.52 | 290,857 |
| Five Richest Countries by Continent | 0 | - | 4.69 | 207,333 |
| Landlocked Countries | 0 | - | 4.99 | 420,754 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,053 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,263 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,438 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,777 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,270 |
| Buddhist Countries | 0 | - | 4.96 | 144,377 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,999 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,834 |
| Himalayan Countries | 0 | - | 4.95 | 138,175 |
| Andean Countries | 0 | - | 4.95 | 84,306 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,531 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,406 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,160 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,596 |
| Danube Countries | 0 | - | 4.97 | 71,854 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,829 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,261 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,021 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,472 |
| European Landlocked Countries | 0 | - | 4.99 | 146,995 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,404 |
| Countries with the Most Species | 0 | - | 4.99 | 103,113 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,562 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,519 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,667 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,457 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,130 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,522 |
| Countries in the Alps | 0 | - | 4.87 | 117,987 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,820 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,765 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,557 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,469 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,338 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,843 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,491 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,362 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,089 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,717 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,573 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,428 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,086 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,364 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,385 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,589 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,186 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,708 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,840 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,296 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,728 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,125 |
| Largest Countries By Category | 0 | - | 4.97 | 157,966 |
| Countries by Countries | 0 | - | 4.97 | 63,041 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,532 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,471 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,108 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,388 |
| Island Countries | 0 | - | 4.99 | 710,515 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,661 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,869 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,164 |
| Northernmost Countries | 0 | - | 4.99 | 361,343 |
| Countries of South America | 0 | - | 5.00 | 925,357 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,386 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,572 |
| "Land" Countries | 0 | - | 4.98 | 336,762 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,228 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,908 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,522 |
| Countries that Start with D | 0 | - | 4.96 | 709,948 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,548 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,717 |
| Countries that Start with H | 0 | - | 4.96 | 604,991 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,599 |
| Countries that Start with J | 0 | - | 4.98 | 602,680 |
| Countries that Start with K | 0 | - | 4.97 | 816,051 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,025 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,011 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,402 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,228 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,081 |
| Countries that Start with U | 0 | - | 4.97 | 904,687 |
| Countries that Start with V | 0 | - | 4.98 | 609,491 |
| Countries that Start with F | 0 | - | 4.83 | 617,816 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,007 |
| Countries with the Highest Taxes | 0 | - | 4.38 | 87,592 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,475 |
| Orthodox Countries | 0 | - | 4.92 | 131,991 |
| Countries with the Largest Merchant Navies | 0 | - | 4.56 | 22,915 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,294 |
| Monarchies of Europe | 0 | - | 4.90 | 98,173 |
| Monarchies of Asia | 0 | - | 4.97 | 71,105 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,868 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,906 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,430 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,786 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,396 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,539 |
| Countries with Megacities | 0 | - | 4.99 | 263,583 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,375 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,289 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,653 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,326 |
| Countries by Official Language | 0 | - | 4.95 | 194,984 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,008 |
| Countries in their Native Language | 0 | - | 4.99 | 198,491 |
| Independence from Whom | 0 | - | 4.99 | 211,763 |
| Subdivisions by Country | 0 | - | 4.86 | 50,372 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,015 |
| Megadiverse Countries | 0 | - | 4.96 | 134,903 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,828 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,273 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,856 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,064 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,944 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,496 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,248 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,574 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,046 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,384 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,801 |
| Top Net Food-Exporting Countries | 0 | - | 4.42 | 33,441 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,111 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,884 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,464 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,627 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,652 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,213 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,827 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,119 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,849 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,832 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,752 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,885 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,189 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,366 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,459 |
| Widest Countries East to West | 0 | - | 4.92 | 129,527 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.69 | 93,756 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,419 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,205 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,073 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,652 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,433 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,721 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,320 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,770 |
| Companies by Country | 0 | - | 4.61 | 119,674 |
| Countries with Double Letters | 0 | - | 4.97 | 95,696 |
| Countries that End in N | 0 | - | 4.95 | 170,676 |
| Countries with Five Letters | 0 | - | 4.96 | 281,714 |
| Countries with Six Letters | 0 | - | 4.94 | 213,081 |
| Countries with W | 0 | - | 4.97 | 159,974 |
| Countries with Z | 0 | - | 4.98 | 290,919 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,307 |
| Countries That End in U | 0 | - | 4.95 | 120,642 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,134 |
| Countries that End in O | 0 | - | 4.92 | 159,366 |
| Countries that End in R | 0 | - | 4.87 | 118,852 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,623 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,736 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,406 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,280 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,891 |
| Countries That End in Y | 0 | - | 4.91 | 185,771 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,597 |
