| Word Scramble - Countries | 0 | - | 4.88 | 2,129,307 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 265,454 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,871 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,925 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,874 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 160,245 |
| Geography General Knowledge #8 | 0 | - | 4.43 | 151,371 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,789 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 111,049 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 125,435 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,662 |
| Country Decoders #1 | 0 | - | 4.45 | 43,834 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,047 |
| Random Countries by Borders | 0 | - | 4.99 | 83,236 |
| Geography General Knowledge #2 | 0 | - | 4.36 | 181,638 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 149,682 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 132,572 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,794 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,192 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,267 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,253 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 32,001 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,987 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,223 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,804 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 171,106 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,142 |
| Random Country to Capital | 0 | - | 4.98 | 930,849 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,282 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,887 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,034 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,023 |
| Countries with Four Letters | 0 | - | 4.99 | 426,675 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,405 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,449 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,312 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,413 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,767 |
| Country Chain | 0 | - | 4.96 | 218,732 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,076 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,559 |
| Islands by Country #1 | 0 | - | 4.90 | 176,865 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,389 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,699 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,507 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,523 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,417 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,754 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,747 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,554 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,786 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,258 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,380 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,749 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,784 |
| Country Decoders #2 | 0 | - | 4.12 | 26,899 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,588 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 307,096 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,823 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 47,012 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,775 |
| Five Letter Geography #3 | 0 | - | 4.63 | 132,165 |
| Six Letter Geography #1 | 0 | - | 4.42 | 115,123 |
| Six Letter Geography #2 | 0 | - | 4.68 | 68,030 |
| Six Letter Geography #3 | 0 | - | 4.52 | 82,088 |
| Seven Letter Geography #1 | 0 | - | 4.48 | 80,709 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 38,996 |
| Geography Decoder | 0 | - | 4.53 | 75,888 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,760 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,895 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,810 |
| Five Letter Geography #1 | 0 | - | 4.48 | 152,201 |
| Five Letter Geography #4 | 0 | - | 4.77 | 85,352 |
| Five Letter Geography - Hero Mode | 0 | - | 4.64 | 35,782 |
| The Only Country ... | 0 | - | 4.91 | 82,118 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,965 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,863 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,750 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,564 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,136 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,425 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,822 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,990 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,536 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,683 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,649 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,841 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,758 |
| Boundary Waters | 0 | - | 4.92 | 88,870 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,488 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,898 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,634 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,103 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,152 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,601 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,453 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,718 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 88,210 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,542 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,529 |
| Cities Chain #2 | 0 | - | 4.42 | 56,556 |
| Cities Chain #1 | 0 | - | 4.61 | 66,883 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,231 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,004,469 |
| Landlocked Countries | 0 | - | 4.99 | 427,681 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 984,235 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 98,001 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,045 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 176,727 |
| Geographic Groups of Five #1 | 0 | - | 4.48 | 120,936 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 141,875 |
| Geographic Groups of Two #2 | 0 | - | 4.64 | 115,820 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,631 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 84,659 |
| Geographic Groups of Four #2 | 0 | - | 4.77 | 81,373 |
| Geographic Groups of Five #2 | 0 | - | 4.72 | 64,402 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 70,393 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,849 |
| History General Knowledge #1 | 0 | - | 4.55 | 129,413 |
| History General Knowledge #3 | 0 | - | 4.50 | 97,152 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,470 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,429 |
| History General Knowledge #11 | 0 | - | 4.45 | 73,298 |
| Four Letter Geography #2 | 0 | - | 4.39 | 64,250 |
| Three Letter Geography | 0 | - | 4.29 | 75,097 |
| Five Letter Geography #2 | 0 | - | 4.30 | 89,000 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,865 |
| Seven Continents Quiz | 0 | - | 4.21 | 107,518 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,887 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,200 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,443 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,396 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,347 |
| Bread Alone | 0 | - | 4.48 | 27,259 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,018 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,560 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,231 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,251 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,016 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,380 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,167 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,619 |
| Island Countries | 0 | - | 4.99 | 713,182 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,119 |
| Himalayan Countries | 0 | - | 4.93 | 141,006 |
| Andean Countries | 0 | - | 4.94 | 85,893 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,005 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,618 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,549 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,755 |
| Danube Countries | 0 | - | 4.97 | 72,607 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,871 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,019 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,525 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,003 |
| European Landlocked Countries | 0 | - | 4.99 | 147,817 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,603 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,706 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,829 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,973 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,956 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,704 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,172 |
| Countries in the Alps | 0 | - | 4.87 | 119,046 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,116 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,252 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,218 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,189 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,423 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,641 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,033 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,536 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,348 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,977 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,850 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,704 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,959 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,062 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,252 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,768 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,762 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,900 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,552 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,629 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,175 |
| Countries by Countries | 0 | - | 4.97 | 63,852 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,518 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,457 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,717 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,285 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,701 |
| Northernmost Countries | 0 | - | 4.99 | 364,826 |
| Islands by Country #2 | 0 | - | 4.80 | 78,060 |
| Countries of South America | 0 | - | 5.00 | 934,887 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,228 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,560 |
| "Land" Countries | 0 | - | 4.98 | 339,163 |
