| Countries of the World Quiz | 47,752,013 | 0 | - |
| World Map Without 20 Random Countries | 8,374,681 | 0 | - |
| Countries by First Two Letters in 90 Seconds | 5,644,706 | 0 | - |
| World Capitals Quiz | 5,096,509 | 0 | - |
| Europe Map Quiz | 4,780,665 | 0 | - |
| Countries by Borders in 90 Seconds | 3,842,940 | 0 | - |
| Countries of the World with an Empty Map | 3,389,485 | 0 | - |
| Countries of Europe Quiz | 3,793,705 | 0 | - |
| All Country Flags of the World | 3,699,522 | 0 | - |
| Country Flags Quiz #1 | 2,543,297 | 0 | - |
| Random Capital to Country | 2,598,486 | 0 | - |
| Countries of Africa | 2,552,925 | 0 | - |
| Countries that Start with B | 2,302,939 | 0 | - |
| Word Scramble - Countries | 2,109,907 | 0 | - |
| Countries that Start with A | 2,171,861 | 0 | - |
| Find The Mystery Country Using Color Clues - Randomized! | 2,176,751 | 0 | - |
| Countries that Start with C | 1,828,722 | 0 | - |
| Countries that Start with S | 1,760,771 | 0 | - |
| Countries by First and Last Two Letters | 1,820,831 | 0 | - |
| Countries of Asia Quiz | 1,884,183 | 0 | - |
| World Map with Random Merged Countries | 1,726,703 | 0 | - |
| Countries that Start with G | 1,509,085 | 0 | - |
| Biggest Countries by Population | 1,451,629 | 0 | - |
| Random Countries on the World Map | 1,556,426 | 0 | - |
| Countries that Start with M | 1,386,380 | 0 | - |
| Countries that Start with E | 1,382,785 | 0 | - |
| Countries that Start with I | 1,292,768 | 0 | - |
| Countries of Europe - One Minute Sprint | 1,333,632 | 0 | - |
| Countries that Start with P | 1,220,334 | 0 | - |
| Flags of Europe Quiz | 1,253,781 | 0 | - |
| Country Flags Quiz #2 | 1,095,912 | 0 | - |
| Countries that Start with N | 1,122,067 | 0 | - |
| Countries that Start with L | 1,095,040 | 0 | - |
| Biggest Countries by Area | 1,052,789 | 0 | - |
| Countries that Start with T | 1,013,521 | 0 | - |
| Countries of the World - One Minute Sprint | 981,070 | 0 | - |
| Countries of Oceania | 1,060,686 | 0 | - |
| Countries of North America Quiz | 1,028,914 | 0 | - |
| Country Shapes Quiz #1 | 908,971 | 0 | - |
| Random Country to Capital | 925,632 | 0 | - |
| Countries in World War II | 917,124 | 0 | - |
| Countries that Start with U | 907,416 | 0 | - |
| Find The Mystery Country Using Hints - Randomized! | 1,185,324 | 0 | - |
| Countries of South America | 930,288 | 0 | - |
| Countries that Start with K | 819,329 | 0 | - |
| Country Flags Quiz #3 | 735,561 | 0 | - |
| Island Countries | 711,884 | 0 | - |
| Countries by Languages in 90 Seconds | 737,850 | 0 | - |
| Countries that Start with D | 714,471 | 0 | - |
| Countries that Start with V | 611,216 | 0 | - |
| Countries that Start with F | 620,229 | 0 | - |
| Flags of Asia Quiz | 618,238 | 0 | - |
| Countries that Start with J | 605,652 | 0 | - |
| Footballers by Country | 575,265 | 0 | - |
| 20 Random Country Flags | 617,080 | 0 | - |
| Countries that Start with H | 608,175 | 0 | - |
| European Countries by First 2 Letters | 531,708 | 0 | - |
| Random Sequential Countries on the World Map | 525,017 | 0 | - |
| Communist Countries in History | 497,471 | 0 | - |
| Countries That Border Russia | 463,901 | 0 | - |
