| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,249 |
| Countries by Emojis | 0 | - | 4.99 | 237,004 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,451 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,753 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,815 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,526 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,366 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,978 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,271 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,073 |
| Random Country to Capital | 0 | - | 4.98 | 912,866 |
| Megacities on a World Map | 0 | - | 4.98 | 251,451 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,029 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,003 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,053 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,618 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,237 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,507 |
| Capital Cities Chain | 0 | - | 4.84 | 82,031 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,120 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,281 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,193 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,223 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,558 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,277 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,812 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,398 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,062 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,810 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,737 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,552 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 204,746 |
| Megacities on an Empty Map | 0 | - | 4.96 | 104,280 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,178 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,543 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,908 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,501 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,441 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,410 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,938 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,885 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,748 |
| Random Point on Land to Country | 0 | - | 4.99 | 232,257 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,295 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,666 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,992 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 304,905 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,966 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,717 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,037 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,700 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,201 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,546 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,943 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,127 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,583 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,607 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,251 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,159 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 56,979 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,695 |
| Boundary Waters | 0 | - | 4.92 | 88,100 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,869 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,903 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,425 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,449 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,889 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,230 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,493 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,712 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,939 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,849 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,591 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,178 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,384 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,946 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,720 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,655 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,903 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,344 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,373 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,408 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,190 |
| Name a Valid African Country | 0 | - | 4.98 | 153,107 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,449 |
| Departments of France | 0 | - | 4.93 | 52,993 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,124 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,059 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,526 |
| Things that are Orange by Picture | 0 | - | 4.20 | 26,592 |
| Things that are Green by Picture | 0 | - | 4.15 | 29,808 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,405,187 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,004,306 |
| Landlocked Countries | 0 | - | 4.99 | 414,658 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,922 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,281 |
| Drinks by Country | 0 | - | 4.30 | 59,213 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,734 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,725 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,955 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 710,132 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,561 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,633 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,763 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,166 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,127 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,266 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,642 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,928 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,383 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,553 |
| Pixelated United States Map | 0 | - | 4.89 | 93,609 |
| US States with an Empty Map | 0 | - | 5.00 | 619,688 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,236 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,114 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,997 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,218 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,245 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,071 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,223 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,591 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,284 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,478 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,871 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,344 |
| Which City in Europe? | 0 | - | 4.83 | 106,847 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,504 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,996 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,377 |
| Island Countries | 0 | - | 4.99 | 708,032 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,023 |
| Himalayan Countries | 0 | - | 4.95 | 135,722 |
| Andean Countries | 0 | - | 4.94 | 83,036 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,383 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,454 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,081 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,744 |
| Danube Countries | 0 | - | 4.97 | 71,186 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,908 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,721 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,619 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,376 |
| Countries with the Most Species | 0 | - | 4.99 | 95,302 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,543 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,408 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,659 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,029 |
| Countries in the Alps | 0 | - | 4.86 | 116,993 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,687 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,465 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,112 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,302 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,705 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,605 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,103 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,546 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,830 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,306 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,742 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,954 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,885 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,009 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,917 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,580 |
| Countries by Countries | 0 | - | 4.96 | 62,372 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,492 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,555 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,976 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,359 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,068 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,217 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,867 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,877 |
| Northernmost Countries | 0 | - | 4.99 | 358,300 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,477 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 191,039 |
| Countries by Milk Production | 0 | - | 4.54 | 43,680 |
| Mountains by Country | 0 | - | 4.64 | 81,573 |
| Countries of South America | 0 | - | 5.00 | 916,673 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,715 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,973 |
| "Land" Countries | 0 | - | 4.98 | 333,923 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,125 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,764 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,025 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,299 |
