| All Country Flags of the World | 0 | - | 5.00 | 3,602,955 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,491 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,466 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,708 |
| Flags with Crescents | 0 | - | 4.98 | 167,584 |
| Country Flag Trivia | 0 | - | 4.81 | 55,947 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,431 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,465 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,925 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,049 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,768 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,235 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,919 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,383 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,357 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,663 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,227 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,632 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,649 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,393 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,746 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,817 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,587 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,305 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,829 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,273 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,677 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,766 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,403 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,704 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,762 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,982 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,044 |
| Flags of North and South America | 0 | - | 4.99 | 367,349 |
| Flags to Languages | 0 | - | 4.95 | 172,502 |
| Former Flags | 0 | - | 4.97 | 106,710 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,626 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,795 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,593 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,709 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,524 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,072 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,632 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,536 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,480 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,377 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,970 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,451 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,367 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,281 |
| World Coats of Arms | 0 | - | 4.99 | 63,871 |
| Similar Flags #1 | 0 | - | 4.74 | 129,112 |
| Similar Flags #2 | 0 | - | 4.74 | 136,377 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,404 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,806 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,919 |
| Emoji Flags | 0 | - | 4.35 | 43,817 |
| Countries by Road Signs | 0 | - | 4.98 | 53,105 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,039 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,994 |
| Select the World Flags | 0 | - | 4.27 | 37,407 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,304 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,568 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,049 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,685 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,829 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,685 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,228 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,382 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,985 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,395 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,821 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,969 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,678 |
| Pixelated World Map | 0 | - | 5.00 | 142,450 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,488 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,394 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,704 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,936 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,295 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,312 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,850 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,744 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,286 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,914 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,044 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,572 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,155 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,919 |
| Geography by Picture - B | 0 | - | 4.42 | 55,419 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,050 |
| Geography by Picture - R | 0 | - | 4.55 | 40,879 |
| Geography by Picture - T | 0 | - | 4.54 | 57,679 |
| Flags of Oceania | 0 | - | 5.00 | 255,252 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,886 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,454 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,080 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,423 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,834 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,925,316 |
| Flags of WW1 | 0 | - | 4.60 | 37,948 |
| Landlocked Countries | 0 | - | 4.99 | 413,683 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,144 |
| Satellite Images #1 | 0 | - | 4.46 | 129,016 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,990 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,655 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,651 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,810 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,373 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,163 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,009 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,017 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,061 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,618 |
| Himalayan Countries | 0 | - | 4.95 | 135,382 |
| Andean Countries | 0 | - | 4.94 | 82,834 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,224 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,225 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,913 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,617 |
| Danube Countries | 0 | - | 4.97 | 71,088 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,541 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,410 |
| European Landlocked Countries | 0 | - | 4.99 | 145,760 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,220 |
| Countries with the Most Species | 0 | - | 4.99 | 95,244 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,356 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,832 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,575 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,267 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,427 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,174 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,584 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,314 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,065 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,078 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,652 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,329 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,689 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,606 |
| Largest Countries By Category | 0 | - | 4.97 | 156,767 |
| Countries by Countries | 0 | - | 4.96 | 62,262 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,396 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
| Merged Country Flags | 0 | - | 4.88 | 106,023 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,693 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,110 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,059 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,775 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,435 |
| Merged Countries #2 | 0 | - | 4.96 | 98,488 |
| Merged Countries #6 | 0 | - | 4.91 | 72,718 |
| Merged Countries #7 | 0 | - | 4.92 | 81,968 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,719 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,488 |
| Geography by Picture - A | 0 | - | 4.39 | 60,055 |
| Geography by Picture - D | 0 | - | 4.15 | 45,496 |
| Geography by Picture - F | 0 | - | 4.31 | 50,830 |
| Geography by Picture - G | 0 | - | 4.38 | 47,792 |
| Geography by Picture - J | 0 | - | 4.16 | 38,336 |
| Geography by Picture - K | 0 | - | 4.28 | 33,016 |
| Geography by Picture - C | 0 | - | 4.31 | 56,911 |
| Geography by Picture - L | 0 | - | 4.37 | 58,764 |
| Geography by Picture - M | 0 | - | 4.14 | 40,347 |
| Geography by Picture - P | 0 | - | 4.24 | 42,301 |
| Geography by Picture - S | 0 | - | 4.38 | 46,912 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,564 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,240 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,449 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,432 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,623 |
| Longest International Borders | 0 | - | 4.99 | 263,548 |
| Countries with Three Borders | 0 | - | 4.96 | 36,181 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,602 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,676 |
