| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,713 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,912 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,945 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,987 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,350 |
| Countries that Start with D | 0 | - | 4.96 | 713,459 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,614 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,895 |
| Countries that Start with H | 0 | - | 4.96 | 607,452 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,843 |
| Countries that Start with J | 0 | - | 4.98 | 604,949 |
| Countries that Start with K | 0 | - | 4.97 | 818,588 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,126 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,170 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,513 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,545 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,826 |
| Countries that Start with U | 0 | - | 4.97 | 906,550 |
| Countries that Start with V | 0 | - | 4.98 | 610,798 |
| Countries that Start with F | 0 | - | 4.83 | 619,658 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,430 |
| Countries that Start with R | 0 | - | 4.43 | 449,082 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,659 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,355 |
| NATO Countries | 0 | - | 4.98 | 282,224 |
| EU Countries Quiz | 0 | - | 4.99 | 276,380 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,018 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,348 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,657 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,264 |
| Countries with NO Military | 0 | - | 4.97 | 62,848 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,397 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,901 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,282 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,827 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,693,493 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,159 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,889 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,840 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,010 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,745 |
| Buddhist Countries | 0 | - | 4.96 | 144,783 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,248 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,673 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,020 |
| Orthodox Countries | 0 | - | 4.92 | 132,464 |
| Richest Island Countries | 0 | - | 4.85 | 100,938 |
| Battle to Country | 0 | - | 4.91 | 53,683 |
| Monarchies of Europe | 0 | - | 4.90 | 98,513 |
| Monarchies of Asia | 0 | - | 4.97 | 71,337 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,167 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,224 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,964 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,387 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,125 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,860 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,814 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,157 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,615 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,710 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,461 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,682 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,832 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,200 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,725 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,771 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,476 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,790 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,286 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,733 |
| Landlocked Countries | 0 | - | 4.99 | 423,348 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,541 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,148 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,485 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,515 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,447 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,582 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,595 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,383 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,562 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,824 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,656 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,953 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,233 |
| Island Countries | 0 | - | 4.99 | 711,563 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,150 |
| Himalayan Countries | 0 | - | 4.94 | 139,341 |
| Andean Countries | 0 | - | 4.94 | 84,941 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,165 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,326 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,043 |
| Danube Countries | 0 | - | 4.97 | 72,164 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,241 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,569 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,605 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,111 |
| European Landlocked Countries | 0 | - | 4.99 | 147,320 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,894 |
| Countries with the Most Species | 0 | - | 4.99 | 103,375 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,026 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,661 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,643 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,401 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,807 |
| Countries in the Alps | 0 | - | 4.87 | 118,422 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,905 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,355 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,780 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,761 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,669 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,067 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,858 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,268 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,738 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,611 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,351 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,600 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,253 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,972 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,289 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,686 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,518 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,336 |
| Largest Countries By Category | 0 | - | 4.97 | 158,469 |
| Countries by Countries | 0 | - | 4.96 | 63,394 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,286 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,919 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,333 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,602 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,830 |
| One Border Countries - Shape Quiz | 0 | - | 4.85 | 65,069 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,551 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,354 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,172 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,686 |
| Northernmost Countries | 0 | - | 4.99 | 362,679 |
| Countries of South America | 0 | - | 5.00 | 929,328 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,360 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,742 |
| "Land" Countries | 0 | - | 4.98 | 337,732 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,758 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,473 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,511 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,440 |
| Countries in World War I | 0 | - | 4.88 | 228,682 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,635 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,619 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,840,161 |
| One Border Countries | 0 | - | 4.98 | 470,689 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,050 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,673 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,639,994 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,329 |
| Countries with Megacities | 0 | - | 4.99 | 265,553 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,125 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,691 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,763 |
| Countries by Official Language | 0 | - | 4.95 | 195,536 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,603 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,787 |
| Countries in their Native Language | 0 | - | 4.99 | 199,323 |
| Independence from Whom | 0 | - | 4.99 | 212,429 |
| Subdivisions by Country | 0 | - | 4.87 | 50,504 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,979 |
| Megadiverse Countries | 0 | - | 4.96 | 135,121 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,108,237 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,342 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,434 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,197 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,314 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,148 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,318 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,673 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,660 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,441 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,726 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,194 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,986 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,979 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,294 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,033 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,453 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,575 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,661 |
| World Map Quiz | 0 | - | 4.81 | 65,296 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,992 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,493 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,388 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,473 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,166 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,714 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,064 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,182 |