| 20 Random Country Flags | 0 | - | 4.99 | 603,463 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,330 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,856 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,442 |
| Flags that are Red & White Only | 0 | - | 4.97 | 147,920 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,240 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,161 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,395 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,381 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,047 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,527 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,603 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,419 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,111 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,671 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,178 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,583 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,259 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,559 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,597 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,822 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,956 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,532 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,651 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,254 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,913 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,217 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,412 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,648 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,214,314 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,968 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,528 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,953 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,450 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,031 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,732 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,422 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,220 |
| Every Country Shape | 0 | - | 5.00 | 457,958 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,534,052 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,185 |
| Flags of North and South America | 0 | - | 4.99 | 365,436 |
| Former Flags | 0 | - | 4.97 | 106,526 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,782 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,860 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,031 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,768 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 293,830 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 223,801 |
| Country Shapes Quiz #5 | 0 | - | 4.92 | 158,759 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,020 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,184 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,521 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,112 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,170 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,927 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,448 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,936 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,521 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,067 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 58,858 |
| Random Country Shape to Country | 0 | - | 4.90 | 110,825 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,627 |
| Flags of Oceania | 0 | - | 5.00 | 254,593 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,630 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 85,437 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 517,507 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 181,700 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 182,639 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 333,832 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,161 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,649 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,566 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,479 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,703,611 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,278 |
| Similar Flags #1 | 0 | - | 4.74 | 128,959 |
| Similar Flags #2 | 0 | - | 4.74 | 136,221 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,444 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,180 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,454 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,409 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,706 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,535 |
| Countries by Road Signs | 0 | - | 4.98 | 52,975 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,359 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,523 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,150 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,689 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,416 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,742 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,451 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 74,535 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 58,956 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,763 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,601 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,822 |
| Merged Countries #2 | 0 | - | 4.96 | 98,385 |
| Merged Countries #6 | 0 | - | 4.91 | 72,640 |
| Merged Countries #7 | 0 | - | 4.93 | 81,881 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,850,128 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,744 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,309 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,650 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,219 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,893 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,393 |
| Pixelated World Map | 0 | - | 5.00 | 141,810 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,313 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,252 |
| World Coats of Arms | 0 | - | 4.99 | 63,783 |
| Landlocked Countries | 0 | - | 4.99 | 412,863 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,573 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,636 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,999 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,820 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,989 |
| Island Countries | 0 | - | 4.99 | 707,229 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,225 |
| Himalayan Countries | 0 | - | 4.95 | 135,046 |
| Andean Countries | 0 | - | 4.94 | 82,659 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,080 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,982 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,753 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,461 |
| Danube Countries | 0 | - | 4.97 | 70,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,635 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,453 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,287 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,048 |
| Countries with the Most Species | 0 | - | 4.99 | 95,185 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,189 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,333 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,510 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,864 |
| Countries in the Alps | 0 | - | 4.87 | 116,680 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,467 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,077 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,938 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,319 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,064 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,934 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,683 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,452 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,966 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,995 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,362 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,670 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,857 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,567 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,199 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,664 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,823 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,358 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,537 |
| Largest Countries By Category | 0 | - | 4.97 | 156,609 |
| Countries by Countries | 0 | - | 4.96 | 62,164 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,359,995 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,209 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,932 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,379 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,000 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,651 |
| Every American Country by Shape | 0 | - | 4.79 | 37,063 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,310 |
| Northernmost Countries | 0 | - | 4.99 | 357,234 |
| Countries of South America | 0 | - | 5.00 | 913,349 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,576 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,100 |
| "Land" Countries | 0 | - | 4.98 | 333,410 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,542 |
| Pixelated Country Shapes #1 | 0 | - | 4.74 | 72,190 |
| Pixelated Country Shapes #2 | 0 | - | 4.74 | 67,432 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 93,839 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,069 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,086 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 68,989 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,151 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,236 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 56,567 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,002 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 156,418 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 82,826 |
| Flags of the Middle East | 0 | - | 4.69 | 62,279 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,447 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,029 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,168 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,731 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,239 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |