| Word Scramble - Countries | 0 | - | 4.87 | 2,106,621 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 264,144 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,302 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,159 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,265 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 159,641 |
| Geography General Knowledge #8 | 0 | - | 4.44 | 150,776 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,174 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 110,574 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 124,766 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,594 |
| Country Decoders #1 | 0 | - | 4.45 | 43,739 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,363 |
| Random Countries by Borders | 0 | - | 4.99 | 82,714 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 181,002 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 149,140 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 132,088 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,573 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,629 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,237 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,917 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,930 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,926 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,636,150 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,734 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,320 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,586 |
| Random Country to Capital | 0 | - | 4.98 | 923,504 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,761 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,622 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,136 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,918 |
| Countries with Four Letters | 0 | - | 4.99 | 423,643 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,414 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,121 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,035 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,219 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,529 |
| Country Chain | 0 | - | 4.96 | 217,738 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,009 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,980 |
| Islands by Country #1 | 0 | - | 4.90 | 175,606 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,765 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,141 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,902 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,833 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,660 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,690 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,845 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,837 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,087 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,819 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,200 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,687 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,718 |
| Country Decoders #2 | 0 | - | 4.12 | 26,848 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,907 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,687 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 727,683 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,332 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,523 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,669 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,733 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,722 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,800 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,661 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,237 |
| Geography Decoder | 0 | - | 4.53 | 75,732 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,588 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,730 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,649 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,765 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,069 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,615 |
| The Only Country ... | 0 | - | 4.91 | 81,480 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,238 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,393 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,858 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,794 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,751 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,229 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,300 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,533 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,187 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,686 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,456 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,083 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,119 |
| Boundary Waters | 0 | - | 4.92 | 88,611 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,341 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,825 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,674 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,982 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,811 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,580 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,393 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,795 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,327 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,176 |
| Cities Chain #2 | 0 | - | 4.42 | 56,441 |
| Cities Chain #1 | 0 | - | 4.61 | 66,699 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,708 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,632,877 |
| Landlocked Countries | 0 | - | 4.99 | 422,615 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 979,257 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,126 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,612 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 176,252 |
| Geographic Groups of Five #1 | 0 | - | 4.47 | 120,687 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 141,255 |
| Geographic Groups of Two #2 | 0 | - | 4.67 | 115,317 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,341 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 84,204 |
| Geographic Groups of Four #2 | 0 | - | 4.77 | 80,919 |
| Geographic Groups of Five #2 | 0 | - | 4.74 | 64,075 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 69,977 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,484 |
| History General Knowledge #1 | 0 | - | 4.55 | 128,663 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,699 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,091 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,058 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,875 |
| Four Letter Geography #2 | 0 | - | 4.39 | 64,081 |
| Three Letter Geography | 0 | - | 4.29 | 74,895 |
| Five Letter Geography #2 | 0 | - | 4.30 | 88,672 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,605 |
| Seven Continents Quiz | 0 | - | 4.21 | 106,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,165 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,701 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,229 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,031 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,234 |
| Bread Alone | 0 | - | 4.48 | 27,161 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,741 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,080 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,497 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,512 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,162 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,189 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,692 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,716 |
| Island Countries | 0 | - | 4.99 | 711,260 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,839 |
| Himalayan Countries | 0 | - | 4.95 | 139,018 |
| Andean Countries | 0 | - | 4.93 | 84,791 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,019 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,094 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,607 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,923 |
| Danube Countries | 0 | - | 4.97 | 72,096 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,126 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,496 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,449 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,934 |
| European Landlocked Countries | 0 | - | 4.99 | 147,229 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,765 |
| Countries with the Most Species | 0 | - | 4.99 | 103,305 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,882 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,631 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,748 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,597 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,317 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,740 |
| Countries in the Alps | 0 | - | 4.87 | 118,311 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,514 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,180 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,717 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,673 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,584 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,996 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,750 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,568 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,226 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,919 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,572 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,295 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,539 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,602 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,057 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,366 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,478 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,201 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,280 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,319 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,281 |
| Largest Countries By Category | 0 | - | 4.97 | 158,341 |
| Countries by Countries | 0 | - | 4.96 | 63,315 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,773 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,310 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,581 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,749 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,656 |
| Northernmost Countries | 0 | - | 4.99 | 362,272 |
| Islands by Country #2 | 0 | - | 4.80 | 77,595 |
| Countries of South America | 0 | - | 5.00 | 928,228 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,075 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,241 |
| "Land" Countries | 0 | - | 4.98 | 337,526 |