| Majority Muslim Countries | 0 | - | 4.98 | 371,516 |
| NATO Countries | 0 | - | 4.98 | 277,788 |
| EU Countries Quiz | 0 | - | 4.99 | 271,372 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,147 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,102 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,869 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,332 |
| Countries with NO Military | 0 | - | 4.97 | 61,528 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,129 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,127,449 |
| Landlocked Countries | 0 | - | 4.99 | 416,195 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,356 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,799 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,174 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,691 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,034 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,392 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,404 |
| Buddhist Countries | 0 | - | 4.96 | 143,328 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,654 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,434 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,708 |
| Himalayan Countries | 0 | - | 4.95 | 136,311 |
| Andean Countries | 0 | - | 4.95 | 83,378 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,642 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,866 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,945 |
| Danube Countries | 0 | - | 4.97 | 71,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,136 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,806 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,063 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,007 |
| European Landlocked Countries | 0 | - | 4.99 | 146,069 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,685 |
| Countries with the Most Species | 0 | - | 4.99 | 99,310 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,833 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,309 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,483 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,776 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,145 |
| Countries in the Alps | 0 | - | 4.86 | 117,274 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,859 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,788 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,220 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,684 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,697 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,932 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,965 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,762 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,295 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,335 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,187 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,684 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,956 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,963 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,624 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,862 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,398 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,559 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,146 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,735 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,455 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,788 |
| Largest Countries By Category | 0 | - | 4.97 | 157,196 |
| Orthodox Countries | 0 | - | 4.92 | 130,831 |
| Countries by Countries | 0 | - | 4.96 | 62,551 |
| Richest Island Countries | 0 | - | 4.84 | 99,910 |
| Monarchies of Europe | 0 | - | 4.90 | 97,654 |
| Monarchies of Asia | 0 | - | 4.97 | 70,799 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,520 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,982 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,041 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,599 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,724 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,651 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,946 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,782 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,931 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,926 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,620 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 84,028 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,851 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,209 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,593 |
| Countries that Start with D | 0 | - | 4.96 | 704,504 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,019 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,559 |
| Countries that Start with H | 0 | - | 4.96 | 600,403 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,149 |
| Countries that Start with J | 0 | - | 4.98 | 598,428 |
| Countries that Start with K | 0 | - | 4.97 | 811,641 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,658 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,617 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,427 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,247 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,263 |
| Countries that Start with U | 0 | - | 4.97 | 901,608 |
| Countries that Start with V | 0 | - | 4.98 | 606,574 |
| Countries that Start with F | 0 | - | 4.83 | 614,203 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,393 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,023 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,409 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,480 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,620 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,418 |
| Island Countries | 0 | - | 4.99 | 708,657 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,336 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,807 |
| Northernmost Countries | 0 | - | 4.99 | 359,136 |
| Countries of South America | 0 | - | 5.00 | 919,048 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,863 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,176 |
| "Land" Countries | 0 | - | 4.98 | 334,310 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,407 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,318 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,524 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,562 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,437 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,662 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,602 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,216 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,267 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,671 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,155 |
| Countries with Megacities | 0 | - | 4.99 | 248,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,017 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,476 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,390 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,426 |
| Countries by Official Language | 0 | - | 4.95 | 193,867 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,337 |
| Countries in their Native Language | 0 | - | 4.99 | 197,503 |
| Independence from Whom | 0 | - | 4.99 | 210,429 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,244 |
| Megadiverse Countries | 0 | - | 4.96 | 134,508 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,704 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,060 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,610 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,343 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,182 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,496 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,512 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,346 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,100 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,560 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,659 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,831 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,179 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,400 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,659 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,977 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,617 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,339 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,580 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,219 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,406 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,587 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,123 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,606 |
| Widest Countries East to West | 0 | - | 4.92 | 129,101 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,316 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,592 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,861 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,922 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,939 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,318 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,007 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,659 |
| Countries with Double Letters | 0 | - | 4.96 | 93,836 |
| Countries that End in N | 0 | - | 4.94 | 157,275 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,238 |
| Countries with Six Letters | 0 | - | 4.93 | 210,862 |
| Countries with W | 0 | - | 4.97 | 158,529 |
| Countries with Z | 0 | - | 4.98 | 288,424 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,869 |
| Countries That End in U | 0 | - | 4.95 | 119,670 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,032 |
| Countries that End in O | 0 | - | 4.92 | 158,709 |
| Countries that End in R | 0 | - | 4.87 | 118,421 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,975 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,595 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,651 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,735 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,304 |
| Countries That End in Y | 0 | - | 4.90 | 185,331 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,752 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,010 |
| Countries that End in I | 0 | - | 4.94 | 134,604 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,611 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,369 |
| Countries That End in NIA | 0 | - | 4.92 | 109,237 |
| Countries That End in BIA | 0 | - | 4.93 | 148,472 |