| All Country Flags of the World | 0 | - | 5.00 | 3,645,075 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,943 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,267 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,341 |
| Flags with Crescents | 0 | - | 4.98 | 168,951 |
| Country Flag Trivia | 0 | - | 4.81 | 56,713 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,335 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,187 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,956 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,059 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,566 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,216 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,493 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,002 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,008 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,928 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,614 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,710 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,273 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,264 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,141 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,291 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,385 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,149 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,853 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,316 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,600 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,978 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,180 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,224 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,531 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,745 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,846 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,328 |
| Flags of North and South America | 0 | - | 4.99 | 371,627 |
| Flags to Languages | 0 | - | 4.95 | 173,321 |
| Former Flags | 0 | - | 4.97 | 107,422 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,843 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,367 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,266 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,624 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,879 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,970 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,520 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,990 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,228 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,237 |
| Flag Maths | 0 | - | 4.64 | 57,739 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,199 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,323 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,702 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,644 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,432 |
| World Coats of Arms | 0 | - | 4.99 | 64,296 |
| Similar Flags #1 | 0 | - | 4.75 | 129,718 |
| Similar Flags #2 | 0 | - | 4.74 | 137,029 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,209 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,489 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,914 |
| Emoji Flags | 0 | - | 4.35 | 43,995 |
| Countries by Road Signs | 0 | - | 4.98 | 53,603 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,412 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,178 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,195 |
| Select the World Flags | 0 | - | 4.27 | 37,651 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,728 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,812 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,277 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,953 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,057 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,841 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,405 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,792 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,208 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,677 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,438 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,104 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,044 |
| Pixelated World Map | 0 | - | 5.00 | 143,098 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,812 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,913 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,252 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,130 |
| Boundary Waters | 0 | - | 4.92 | 88,350 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,868 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,099 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,299 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,225 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,822 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,018 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,209 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,837 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,294 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,021 |
| Geography by Picture - B | 0 | - | 4.42 | 55,550 |
| Geography by Picture - H | 0 | - | 4.50 | 58,171 |
| Geography by Picture - N | 0 | - | 4.45 | 42,160 |
| Geography by Picture - R | 0 | - | 4.56 | 40,977 |
| Geography by Picture - T | 0 | - | 4.54 | 57,791 |
| Flags of Oceania | 0 | - | 5.00 | 257,928 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,846 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,847 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,610 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,974 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,460 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,294,740 |
| Flags of WW1 | 0 | - | 4.60 | 38,268 |
| Landlocked Countries | 0 | - | 4.99 | 418,310 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,573 |
| Satellite Images #1 | 0 | - | 4.46 | 129,270 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,223 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,843 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,840 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,921 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,803 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,802 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,476 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,572 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,579 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,811 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,540 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,667 |
| Himalayan Countries | 0 | - | 4.94 | 137,148 |
| Andean Countries | 0 | - | 4.95 | 83,786 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,034 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,420 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,714 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,260 |
| Danube Countries | 0 | - | 4.97 | 71,590 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,461 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,992 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,536 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,595 |
| European Landlocked Countries | 0 | - | 4.99 | 146,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,035 |
| Countries with the Most Species | 0 | - | 4.99 | 102,829 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,171 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,403 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,937 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,314 |
| Countries in the Alps | 0 | - | 4.87 | 117,596 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,074 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,263 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,372 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,920 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,027 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,402 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,206 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,135 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,931 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,500 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,447 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,304 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,879 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,148 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,167 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,055 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,020 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,539 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,437 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,061 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,084 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,950 |
| Largest Countries By Category | 0 | - | 4.97 | 157,543 |
| Countries by Countries | 0 | - | 4.96 | 62,784 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,129 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,144 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,458 |
| Merged Country Flags | 0 | - | 4.88 | 106,531 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,314 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,593 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,472 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,266 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,330 |
| Merged Countries #2 | 0 | - | 4.96 | 98,861 |
| Merged Countries #6 | 0 | - | 4.90 | 73,096 |
| Merged Countries #7 | 0 | - | 4.93 | 82,415 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,319 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,715 |
| Geography by Picture - A | 0 | - | 4.39 | 60,188 |
| Geography by Picture - D | 0 | - | 4.15 | 45,603 |
| Geography by Picture - F | 0 | - | 4.31 | 50,938 |
| Geography by Picture - G | 0 | - | 4.38 | 47,905 |
| Geography by Picture - J | 0 | - | 4.16 | 38,424 |
| Geography by Picture - K | 0 | - | 4.29 | 33,089 |
| Geography by Picture - C | 0 | - | 4.31 | 57,026 |
| Geography by Picture - L | 0 | - | 4.37 | 58,895 |
| Geography by Picture - M | 0 | - | 4.14 | 40,414 |
| Geography by Picture - P | 0 | - | 4.24 | 42,392 |
| Geography by Picture - S | 0 | - | 4.38 | 47,003 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,183 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,708 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,943 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,033 |
| Longest International Borders | 0 | - | 4.99 | 264,570 |
| Countries with Three Borders | 0 | - | 4.96 | 36,426 |
