| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 47,952 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,129,946 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,541 |
| NATO Countries | 0 | - | 4.98 | 277,808 |
| EU Countries Quiz | 0 | - | 4.99 | 271,382 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,158 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,123 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,878 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,041 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,258 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,335 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,776 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,354 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,821 |
| Countries with NO Military | 0 | - | 4.97 | 61,531 |
| Monarchies of the World | 0 | - | 4.94 | 167,309 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,129 |
| People on Money by Country | 0 | - | 4.83 | 60,138 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,299 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,984 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 166,393 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,033 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,338 |
| Landlocked Countries | 0 | - | 4.99 | 416,229 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,690 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,980 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,404 |
| Word Puzzles - Countries #2 | 0 | - | 4.24 | 44,364 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,671 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,283 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,845 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,024 |
| Most Guessed Cities by Country #2 | 0 | - | 4.95 | 78,948 |
| Most Guessed Cities by Country #1 | 0 | - | 4.88 | 101,472 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,692 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,042 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,394 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 97,633 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,394 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,367 |
| Buddhist Countries | 0 | - | 4.96 | 143,331 |
| Most Guessed Countries on JetPunk | 0 | - | 4.96 | 196,816 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,804 |
| Coldest Countries | 0 | - | 4.97 | 138,035 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,659 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,293 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,488 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,617 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,839 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,380 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,063 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,724 |
| Himalayan Countries | 0 | - | 4.95 | 136,326 |
| Andean Countries | 0 | - | 4.95 | 83,386 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,650 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,878 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,346 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,953 |
| Danube Countries | 0 | - | 4.97 | 71,352 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,146 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,812 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,068 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,020 |
| European Landlocked Countries | 0 | - | 4.99 | 146,078 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,691 |
| Countries with the Most Species | 0 | - | 4.99 | 99,723 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,840 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,310 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,486 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,128 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,779 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,151 |
| Countries in the Alps | 0 | - | 4.86 | 117,277 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,797 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,226 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,691 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,734 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,942 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,965 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,765 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,297 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,337 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,689 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,630 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,866 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,399 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,151 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,760 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,789 |
| Largest Countries By Category | 0 | - | 4.97 | 157,201 |
| Countries by Countries | 0 | - | 4.96 | 62,555 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,815 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,403 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,046 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,501 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,712 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,637 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,459 |
| Island Countries | 0 | - | 4.99 | 708,669 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,841 |
| Northernmost Countries | 0 | - | 4.99 | 359,150 |
| Countries of South America | 0 | - | 5.00 | 919,094 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,914 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,253 |
| "Land" Countries | 0 | - | 4.98 | 334,315 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,920 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,270 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,641 |
| Countries that Start with D | 0 | - | 4.96 | 704,531 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,057 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,593 |
| Countries that Start with H | 0 | - | 4.96 | 600,427 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,173 |
| Countries that Start with J | 0 | - | 4.98 | 598,452 |
| Countries that Start with K | 0 | - | 4.97 | 811,661 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,693 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,645 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,481 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,293 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,294 |
| Countries that Start with U | 0 | - | 4.97 | 901,629 |
| Countries that Start with V | 0 | - | 4.98 | 606,596 |
| Countries that Start with F | 0 | - | 4.83 | 614,220 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,426 |
| Richest Island Countries | 0 | - | 4.84 | 99,913 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,405 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,533 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,671 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,075 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,988 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,077 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,729 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,656 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,952 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,788 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,931 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,968 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,624 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 84,035 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,639 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 171,956 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,415 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,838 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,163 |
| Countries with Megacities | 0 | - | 4.99 | 248,704 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,027 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,481 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,395 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,430 |
| Countries by Official Language | 0 | - | 4.95 | 193,877 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,350 |
| Countries in their Native Language | 0 | - | 4.99 | 197,517 |
| Independence from Whom | 0 | - | 4.99 | 210,435 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,252 |
| Megadiverse Countries | 0 | - | 4.96 | 134,511 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,712 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,061 |
| 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 | 162,384 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,185 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,503 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,514 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,349 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,105 |
| 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 | 74,832 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,181 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,322 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,407 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,529 |
| World Map Quiz | 0 | - | 4.81 | 63,986 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,144 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,982 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,621 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,348 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,594 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,223 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,411 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,590 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,125 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,611 |
| Widest Countries East to West | 0 | - | 4.92 | 129,105 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,318 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,599 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,887 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,926 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,941 |
