| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,663,031 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,682 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,731 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 307,136 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 747,114 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,318 |
| Random Countries by Borders | 0 | - | 4.99 | 83,252 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,796 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,207 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,383 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 984,361 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,836 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 281,454 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 171,120 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,466 |
| Random Country to Capital | 0 | - | 4.98 | 931,071 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,338 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,924 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,075 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,048 |
| Countries with Four Letters | 0 | - | 4.99 | 426,754 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,430 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,484 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,337 |
| Fast Math - Addition | 0 | - | 4.87 | 525,715 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 136,137 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,445 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,804 |
| Country Chain | 0 | - | 4.96 | 218,750 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,637 |
| Islands by Country #1 | 0 | - | 4.90 | 176,931 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,401 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,719 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,518 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,565 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,519 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,808 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,790 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,609 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,829 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,291 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,408 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,612 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,690 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 47,027 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,781 |
| Five Letter Geography #3 | 0 | - | 4.63 | 132,168 |
| Six Letter Geography #1 | 0 | - | 4.42 | 115,130 |
| Six Letter Geography #2 | 0 | - | 4.68 | 68,032 |
| Six Letter Geography #3 | 0 | - | 4.52 | 82,091 |
| Seven Letter Geography #1 | 0 | - | 4.48 | 80,724 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 39,000 |
| Geography Decoder | 0 | - | 4.53 | 75,890 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,762 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,898 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,812 |
| Five Letter Geography #1 | 0 | - | 4.48 | 152,212 |
| Five Letter Geography #4 | 0 | - | 4.77 | 85,358 |
| Five Letter Geography - Hero Mode | 0 | - | 4.64 | 35,783 |
| The Only Country ... | 0 | - | 4.91 | 82,143 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,983 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,885 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,267 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,804 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,611 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,176 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,446 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,894 |
| Random Name a Valid Country | 0 | - | 4.99 | 207,013 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,566 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,712 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,686 |
| Boundary Waters | 0 | - | 4.92 | 88,876 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,918 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,656 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,117 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,199 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,649 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,493 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,728 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 88,219 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,545 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,538 |
| Cities Chain #2 | 0 | - | 4.42 | 56,559 |
| Cities Chain #1 | 0 | - | 4.61 | 66,887 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,234 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,016,204 |
| Landlocked Countries | 0 | - | 4.99 | 427,831 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 98,012 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,050 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 265,508 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,896 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,961 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,896 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 160,280 |
| Geography General Knowledge #8 | 0 | - | 4.43 | 151,395 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,900 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 111,075 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 125,460 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 176,740 |
| Geographic Groups of Five #1 | 0 | - | 4.48 | 120,943 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 141,884 |
| Geographic Groups of Two #2 | 0 | - | 4.64 | 115,831 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,638 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 84,670 |
| Geographic Groups of Four #2 | 0 | - | 4.77 | 81,383 |
| Geographic Groups of Five #2 | 0 | - | 4.72 | 64,412 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 70,398 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,859 |
| Fast Math - Multiplication | 0 | - | 4.73 | 1,169,352 |
| Fast Math - Double That Number! | 0 | - | 4.78 | 617,808 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 277,067 |
| Four Letter Geography #2 | 0 | - | 4.39 | 64,256 |
| Three Letter Geography | 0 | - | 4.29 | 75,104 |
| Five Letter Geography #2 | 0 | - | 4.30 | 89,002 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,867 |
| Seven Continents Quiz | 0 | - | 4.21 | 107,526 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,911 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,221 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,496 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,377 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,027 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,583 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,286 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,155 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,812 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,215 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,726 |
| Island Countries | 0 | - | 4.99 | 713,276 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,187 |
| Himalayan Countries | 0 | - | 4.93 | 141,070 |
| Andean Countries | 0 | - | 4.94 | 85,928 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,032 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,672 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,582 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,777 |
| Danube Countries | 0 | - | 4.97 | 72,625 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,892 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,033 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,560 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,037 |
| European Landlocked Countries | 0 | - | 4.99 | 147,835 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,628 |
| Countries with the Most Species | 0 | - | 4.99 | 103,681 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,734 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,838 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,982 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,968 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,719 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,186 |
| Countries in the Alps | 0 | - | 4.87 | 119,070 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,154 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,271 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,231 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,204 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,436 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,653 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,047 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,544 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,359 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,987 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,856 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,720 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,972 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,073 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,295 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,773 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,856 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,929 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,616 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,708 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,650 |
| Largest Countries By Category | 0 | - | 4.97 | 159,211 |
| Countries by Countries | 0 | - | 4.97 | 63,869 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,550 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,465 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,723 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,611 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,306 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,879 |
| Northernmost Countries | 0 | - | 4.99 | 364,896 |
| Islands by Country #2 | 0 | - | 4.80 | 78,083 |
| Countries of South America | 0 | - | 5.00 | 935,087 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,583 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,090 |
| "Land" Countries | 0 | - | 4.98 | 339,210 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,661 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,648 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Top World Languages | 0 | - | 4.92 | 832,301 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,934 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,675 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,571 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,702 |
| Longest International Borders | 0 | - | 4.99 | 266,104 |
| Countries with Three Borders | 0 | - | 4.96 | 36,865 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,459 |