| Countries of the World Quiz | 47,752,705 | 0 | - |
| World Map Without 20 Random Countries | 8,374,776 | 0 | - |
| Countries by First Two Letters in 90 Seconds | 5,644,744 | 0 | - |
| World Capitals Quiz | 5,096,578 | 0 | - |
| Europe Map Quiz | 4,780,692 | 0 | - |
| Countries by Borders in 90 Seconds | 3,842,972 | 0 | - |
| Countries of the World with an Empty Map | 3,389,511 | 0 | - |
| Countries of Europe Quiz | 3,793,756 | 0 | - |
| All Country Flags of the World | 3,699,596 | 0 | - |
| Country Flags Quiz #1 | 2,543,313 | 0 | - |
| Random Capital to Country | 2,598,497 | 0 | - |
| Countries of Africa | 2,552,956 | 0 | - |
| Countries that Start with B | 2,302,967 | 0 | - |
| Word Scramble - Countries | 2,109,916 | 0 | - |
| Countries that Start with A | 2,171,889 | 0 | - |
| Find The Mystery Country Using Color Clues - Randomized! | 2,176,798 | 0 | - |
| Countries that Start with C | 1,828,735 | 0 | - |
| Countries that Start with S | 1,760,787 | 0 | - |
| Countries by First and Last Two Letters | 1,820,837 | 0 | - |
| Countries of Asia Quiz | 1,884,206 | 0 | - |
| World Map with Random Merged Countries | 1,726,716 | 0 | - |
| Countries that Start with G | 1,509,100 | 0 | - |
| Biggest Countries by Population | 1,451,647 | 0 | - |
| Random Countries on the World Map | 1,556,441 | 0 | - |
| Countries that Start with M | 1,386,386 | 0 | - |
| Countries that Start with E | 1,382,798 | 0 | - |
| Countries that Start with I | 1,292,781 | 0 | - |
| Countries of Europe - One Minute Sprint | 1,333,724 | 0 | - |
| Countries that Start with P | 1,220,344 | 0 | - |
| Flags of Europe Quiz | 1,253,798 | 0 | - |
| Country Flags Quiz #2 | 1,095,917 | 0 | - |
| Countries that Start with N | 1,122,075 | 0 | - |
| Countries that Start with L | 1,095,046 | 0 | - |
| Biggest Countries by Area | 1,052,801 | 0 | - |
| Countries that Start with T | 1,013,526 | 0 | - |
| Countries of the World - One Minute Sprint | 981,085 | 0 | - |
| Countries of Oceania | 1,060,716 | 0 | - |
| Countries of North America Quiz | 1,028,935 | 0 | - |
| Country Shapes Quiz #1 | 908,975 | 0 | - |
| Random Country to Capital | 925,641 | 0 | - |
| Countries in World War II | 917,132 | 0 | - |
| Countries that Start with U | 907,423 | 0 | - |
| Find The Mystery Country Using Hints - Randomized! | 1,185,346 | 0 | - |
| Countries of South America | 930,306 | 0 | - |
| Countries that Start with K | 819,335 | 0 | - |
| Country Flags Quiz #3 | 735,570 | 0 | - |
| Island Countries | 711,886 | 0 | - |
| Countries by Languages in 90 Seconds | 737,884 | 0 | - |
| Countries that Start with D | 714,486 | 0 | - |
| Countries that Start with V | 611,221 | 0 | - |
| Countries that Start with F | 620,236 | 0 | - |
| Flags of Asia Quiz | 618,253 | 0 | - |
| Countries that Start with J | 605,658 | 0 | - |
| Footballers by Country | 575,271 | 0 | - |
| 20 Random Country Flags | 617,094 | 0 | - |
| Countries that Start with H | 608,182 | 0 | - |
| European Countries by First 2 Letters | 531,710 | 0 | - |
| Random Sequential Countries on the World Map | 525,020 | 0 | - |
| Communist Countries in History | 497,475 | 0 | - |
| Countries That Border Russia | 463,903 | 0 | - |
