| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,368 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,233 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,715 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,716 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,269 |
| Countries that Start with D | 0 | - | 4.96 | 706,978 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,096 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,732 |
| Countries that Start with H | 0 | - | 4.96 | 602,547 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,556 |
| Countries that Start with J | 0 | - | 4.98 | 600,433 |
| Countries that Start with K | 0 | - | 4.97 | 813,535 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,315 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,263 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,749 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,582 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,061 |
| Countries that Start with U | 0 | - | 4.97 | 903,001 |
| Countries that Start with V | 0 | - | 4.98 | 608,099 |
| Countries that Start with F | 0 | - | 4.83 | 615,901 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,956 |
| Countries that Start with R | 0 | - | 4.43 | 446,345 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,660 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,885 |
| NATO Countries | 0 | - | 4.98 | 279,015 |
| EU Countries Quiz | 0 | - | 4.99 | 272,617 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,232 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,593 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,582 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,851 |
| Countries with NO Military | 0 | - | 4.97 | 61,882 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,524 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,351 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,489 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,117 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,291,024 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,677 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,051 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,296 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,602 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,793 |
| Buddhist Countries | 0 | - | 4.96 | 143,639 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,083 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,413 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,990 |
| Orthodox Countries | 0 | - | 4.92 | 131,205 |
| Richest Island Countries | 0 | - | 4.84 | 100,240 |
| Battle to Country | 0 | - | 4.91 | 53,090 |
| Monarchies of Europe | 0 | - | 4.90 | 97,891 |
| Monarchies of Asia | 0 | - | 4.97 | 70,934 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,298 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,353 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,640 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,446 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,750 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,064 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,017 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,324 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,235 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,210 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,953 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,963 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,311 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,385 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,811 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,110 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,946 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,358 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,777 |
| Landlocked Countries | 0 | - | 4.99 | 418,267 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,664 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,724 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,004 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,813 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,718 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,789 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,883 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,881 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,308 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,364 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,778 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,421 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,778 |
| Island Countries | 0 | - | 4.99 | 709,488 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,649 |
| Himalayan Countries | 0 | - | 4.94 | 137,129 |
| Andean Countries | 0 | - | 4.95 | 83,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,027 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,404 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,701 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,258 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,525 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,584 |
| European Landlocked Countries | 0 | - | 4.99 | 146,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,026 |
| Countries with the Most Species | 0 | - | 4.99 | 102,822 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,166 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,401 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,933 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,591 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,254 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,915 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,022 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,398 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,194 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,132 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,302 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,140 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,161 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,045 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,014 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,007 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,074 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,947 |
| Largest Countries By Category | 0 | - | 4.97 | 157,539 |
| Countries by Countries | 0 | - | 4.96 | 62,779 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,324 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,124 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,140 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,457 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,263 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,759 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,263 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,082 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,899 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,363 |
| Northernmost Countries | 0 | - | 4.99 | 360,193 |
| Countries of South America | 0 | - | 5.00 | 922,130 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,984 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,541 |
| "Land" Countries | 0 | - | 4.98 | 335,654 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,047 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,432 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,500 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,205 |
| Countries in World War I | 0 | - | 4.88 | 227,756 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,634 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,393 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,378 |
| One Border Countries | 0 | - | 4.98 | 467,344 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,417 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,067 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,282 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,785 |
| Countries with Megacities | 0 | - | 4.99 | 250,002 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,640 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,856 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,943 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,839 |
| Countries by Official Language | 0 | - | 4.95 | 194,521 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,479 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,369 |
| Countries in their Native Language | 0 | - | 4.99 | 198,083 |
| Independence from Whom | 0 | - | 4.99 | 211,188 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,609 |
| Megadiverse Countries | 0 | - | 4.96 | 134,723 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,243 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,200 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,152 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,699 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,646 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,333 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,879 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,790 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,959 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,817 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,674 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,944 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,747 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,104 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,296 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,020 |
| World Map Quiz | 0 | - | 4.81 | 64,416 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,270 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,967 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,381 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,870 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,575 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,161 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,456 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,634 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,774 |
