| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,460 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,976 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,418 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,075 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,370 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,341 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,598 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,659 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,320 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,033 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,975 |
| North American Sports Cities | 0 | - | 4.83 | 172,841 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,461 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,931 |
| Random Country to Capital | 0 | - | 4.98 | 924,562 |
| Olympic Host Countries | 0 | - | 4.98 | 201,424 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,856 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,224 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,801 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,108 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,777 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,873 |
| Capital Cities Chain | 0 | - | 4.84 | 83,104 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,251 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,492 |
| Countries by Emojis | 0 | - | 4.99 | 240,869 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,276 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,181 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,843 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,275 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,088 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,771 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,414 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,939 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,710 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,102 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,436 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,590 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,350 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 42,921 |
| Geography of Spain | 0 | - | 4.59 | 22,136 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,414 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,774 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,147 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,600 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,815 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,317 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,188 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,849 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,712 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,161 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,987 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,633 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,357 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,396 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,114 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,418 |
| Name a Valid African Country | 0 | - | 4.98 | 154,621 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,407 |
| NFL Cities Map Quiz | 0 | - | 4.38 | 234,808 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,919 |
| Boundary Waters | 0 | - | 4.92 | 88,647 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,319 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,424 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,971 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,749 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,589 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,764 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,653 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,691,132 |
| Landlocked Countries | 0 | - | 4.99 | 423,321 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,937 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 68,194 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,791 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,648 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,455 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,930 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,461 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,650 |
| Athletes by Country #2 | 0 | - | 4.13 | 26,639 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,792 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,162 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,625 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,652 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,614 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,692 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,922 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,458 |
| Which City in Europe? | 0 | - | 4.83 | 107,706 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,075 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,142 |
| Himalayan Countries | 0 | - | 4.94 | 139,325 |
| Andean Countries | 0 | - | 4.93 | 84,937 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,157 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,321 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,730 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,042 |
| Danube Countries | 0 | - | 4.97 | 72,161 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,239 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,569 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,603 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,107 |
| European Landlocked Countries | 0 | - | 4.99 | 147,319 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,890 |
| Countries with the Most Species | 0 | - | 4.99 | 103,374 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,024 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,660 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,641 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,401 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,806 |
| Countries in the Alps | 0 | - | 4.87 | 118,419 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,899 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,351 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,779 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,757 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,667 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,066 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,855 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,266 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,855 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,428 |
| 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 | 104,348 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,599 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,667 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,248 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,434 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,960 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,288 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,676 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,513 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,378 |
| Largest Countries By Category | 0 | - | 4.97 | 158,464 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,959 |
| Countries by Countries | 0 | - | 4.96 | 63,391 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,187 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,914 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,328 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,333 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,602 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,165 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,829 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,642 |
| Countries by Milk Production | 0 | - | 4.54 | 44,136 |
| Mountains by Country | 0 | - | 4.56 | 81,899 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,283 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,340 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,130 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,250 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,253 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,852 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,906 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,819 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,615 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,550 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,391 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,399 |
| Longest International Borders | 0 | - | 4.99 | 265,440 |
| Countries with Three Borders | 0 | - | 4.96 | 36,672 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,210 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,323 |
| Demonym of Every Country | 0 | - | 4.90 | 61,031 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,794 |
| American Cities by Stadium | 0 | - | 4.02 | 36,565 |
| City by Football Clubs | 0 | - | 4.38 | 138,218 |
| Random European City to Country | 0 | - | 4.69 | 118,197 |
| Random Asian City to Country | 0 | - | 4.56 | 44,580 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,032 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,073 |
| Which City in Canada? | 0 | - | 4.83 | 57,227 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,944 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,213 |
| Island Countries | 0 | - | 4.99 | 711,555 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,175 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,340 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,372 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,223 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,058 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,645 |
| Northernmost Countries | 0 | - | 4.99 | 362,665 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,765 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,443 |
| Companies by Country | 0 | - | 4.61 | 119,949 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,131 |
| Airlines by Country | 0 | - | 4.52 | 135,639 |
| Countries of South America | 0 | - | 5.00 | 929,281 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,310 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,643 |
| "Land" Countries | 0 | - | 4.98 | 337,725 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,409 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,869 |
| All Country Flags of the World | 0 | - | 5.00 | 3,691,567 |
| Foods of the World by Description | 0 | - | 4.18 | 46,083 |
| Top World Languages | 0 | - | 4.92 | 826,430 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,306 |
