| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,164 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,465,534 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,397 |
| NATO Countries | 0 | - | 4.98 | 280,467 |
| EU Countries Quiz | 0 | - | 4.99 | 274,310 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,413 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,267 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,568 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,674 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,910 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,538 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,408 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,740 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,166 |
| Countries with NO Military | 0 | - | 4.97 | 62,333 |
| Monarchies of the World | 0 | - | 4.94 | 168,715 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,612 |
| People on Money by Country | 0 | - | 4.83 | 60,400 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 151,193 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,354 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 168,183 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,647 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,460 |
| Landlocked Countries | 0 | - | 4.99 | 420,595 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,126 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,581 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,710 |
| Word Puzzles - Countries #2 | 0 | - | 4.24 | 44,492 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,289 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,374 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,922 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,395 |
| Most Guessed Cities by Country #2 | 0 | - | 4.95 | 79,399 |
| Most Guessed Cities by Country #1 | 0 | - | 4.88 | 102,012 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,409 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,560 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,797 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,377 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,895 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,712 |
| Buddhist Countries | 0 | - | 4.96 | 144,361 |
| Most Guessed Countries on JetPunk | 0 | - | 4.96 | 197,738 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,472 |
| Coldest Countries | 0 | - | 4.97 | 138,496 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,578 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,548 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,722 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,991 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,947 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,598 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,255 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,749 |
| Himalayan Countries | 0 | - | 4.95 | 138,110 |
| Andean Countries | 0 | - | 4.95 | 84,279 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,498 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,354 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,128 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,576 |
| Danube Countries | 0 | - | 4.97 | 71,841 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,806 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,245 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,987 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,438 |
| European Landlocked Countries | 0 | - | 4.99 | 146,977 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,388 |
| Countries with the Most Species | 0 | - | 4.99 | 103,100 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,544 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,661 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,118 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,509 |
| Countries in the Alps | 0 | - | 4.87 | 117,965 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,582 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,730 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,461 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,316 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,835 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,475 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,344 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,708 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,076 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,355 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,555 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,184 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,693 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,831 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,214 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,690 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,938 |
| Countries by Countries | 0 | - | 4.97 | 63,018 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,473 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,220 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,516 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,514 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,361 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,991 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,071 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,276 |
| Island Countries | 0 | - | 4.99 | 710,426 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,966 |
| Northernmost Countries | 0 | - | 4.99 | 361,263 |
| Countries of South America | 0 | - | 5.00 | 925,170 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,148 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,129 |
| "Land" Countries | 0 | - | 4.98 | 336,524 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,877 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,578 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,268 |
| Countries that Start with D | 0 | - | 4.96 | 709,750 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,337 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,487 |
| Countries that Start with H | 0 | - | 4.96 | 604,848 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,435 |
| Countries that Start with J | 0 | - | 4.98 | 602,534 |
| Countries that Start with K | 0 | - | 4.97 | 815,894 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,858 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,843 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,240 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,976 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,943 |
| Countries that Start with U | 0 | - | 4.97 | 904,583 |
| Countries that Start with V | 0 | - | 4.98 | 609,412 |
| Countries that Start with F | 0 | - | 4.83 | 617,694 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,816 |
| Richest Island Countries | 0 | - | 4.85 | 100,551 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,905 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,127 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,104 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,223 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,852 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,606 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,415 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,429 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,727 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,423 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,462 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,593 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,310 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,551 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,207 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 172,708 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,195 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,379 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,484 |
| Countries with Megacities | 0 | - | 4.99 | 263,479 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,323 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,262 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,619 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,297 |
| Countries by Official Language | 0 | - | 4.95 | 194,951 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,969 |
| Countries in their Native Language | 0 | - | 4.99 | 198,469 |
| Independence from Whom | 0 | - | 4.99 | 211,729 |
| Subdivisions by Country | 0 | - | 4.86 | 50,363 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,999 |
| Megadiverse Countries | 0 | - | 4.96 | 134,891 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,814 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,264 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,848 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,061 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,922 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,487 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,231 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,942 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,568 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,355 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,798 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,096 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,873 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,254 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,420 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,141 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,709 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,918 |
| World Map Quiz | 0 | - | 4.81 | 64,882 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,438 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,200 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,797 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,105 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,834 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,798 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,736 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,867 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,176 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,357 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,447 |
| Widest Countries East to West | 0 | - | 4.92 | 129,513 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,417 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,180 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,066 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,643 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,419 |
