| All Country Flags of the World | 0 | - | 5.00 | 3,597,517 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,402 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,967 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,353 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,692 |
| Flags with Crescents | 0 | - | 4.98 | 167,397 |
| Country Flag Trivia | 0 | - | 4.81 | 55,845 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,306 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,395 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,813 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,384 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,318 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,967 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,576 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,063 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,694 |
| Flags that are Red & White Only | 0 | - | 4.97 | 158,343 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,477 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,713 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,521 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,534 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,264 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,641 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,720 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,510 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,193 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,753 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,225 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,634 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,707 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,335 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,638 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,686 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,911 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,001 |
| Flags of North and South America | 0 | - | 4.99 | 366,368 |
| Flags to Languages | 0 | - | 4.95 | 172,402 |
| Former Flags | 0 | - | 4.97 | 106,582 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,588 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,722 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,295 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,204 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,889 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,504 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,678 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,013 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,565 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,442 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,371 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,754 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,269 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,921 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,418 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,337 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,259 |
| World Coats of Arms | 0 | - | 4.99 | 63,808 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,196 |
| Flag Maths | 0 | - | 4.78 | 57,668 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,303 |
| Similar Flags #1 | 0 | - | 4.74 | 129,023 |
| Similar Flags #2 | 0 | - | 4.74 | 136,290 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,440 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,075 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 60,629 |
| Emoji Flags | 0 | - | 4.35 | 43,801 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,165 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,245 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,538 |
| Countries by Road Signs | 0 | - | 4.98 | 53,045 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,750 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,981 |
| Select the World Flags | 0 | - | 4.27 | 37,385 |
| Flags of WW1 | 0 | - | 4.60 | 37,909 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,971 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,213 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,946 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,004 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,653 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,791 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,201 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,336 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,961 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,354 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,709 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,332 |
| Pixelated World Map | 0 | - | 5.00 | 142,347 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,244 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,639 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,916 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,225 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,896 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,995 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,025 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,531 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,139 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,907 |
| Merged Company Logos #3 | 0 | - | 4.52 | 63,921 |
| Flags of Oceania | 0 | - | 5.00 | 254,878 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,759 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 26,894 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,388 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,014 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,343 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,731 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,779 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,633 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,132 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,817 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,157 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,328 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,188 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,906 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 63,534 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,773 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,855 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,145 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,092 |
| Merged Countries #2 | 0 | - | 4.96 | 98,420 |
| Merged Countries #6 | 0 | - | 4.91 | 72,665 |
| Merged Countries #7 | 0 | - | 4.92 | 81,918 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,067 |
| Geography by Picture - B | 0 | - | 4.42 | 55,394 |
| Geography by Picture - H | 0 | - | 4.49 | 58,028 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,869 |
| Geography by Picture - T | 0 | - | 4.54 | 57,663 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,794 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,987 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,897 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,879,501 |
| Hindu Countries | 0 | - | 4.85 | 49,493 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,029 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,771 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,349 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,923 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,981 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,964 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,628 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,631 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,792 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,312 |
| Boundary Waters | 0 | - | 4.92 | 88,019 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,218 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,198 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,799 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,688 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,232 |
| Landlocked Countries | 0 | - | 4.99 | 413,164 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,401 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,596 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,505 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,229 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,874 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,670 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,557 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,260 |
| Places by Country - Tile Select | 0 | - | 4.30 | 13,971 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,381 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,637 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,833 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,458 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,654 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,724 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,493 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,965 |
| Geography by Picture - A | 0 | - | 4.39 | 60,038 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,816 |
| Geography by Picture - G | 0 | - | 4.38 | 47,778 |
| Geography by Picture - J | 0 | - | 4.16 | 38,328 |
| Geography by Picture - K | 0 | - | 4.28 | 33,006 |
| Geography by Picture - C | 0 | - | 4.31 | 56,896 |
| Geography by Picture - L | 0 | - | 4.37 | 58,736 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,901 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,708 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,056 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,865 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,857 |
| Airline Logos | 0 | - | 4.45 | 139,892 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,173 |
| Islands by Picture | 0 | - | 4.29 | 105,807 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,127 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,946 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,519 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,883 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,348 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,940 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,962 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,330 |
| Island Countries | 0 | - | 4.99 | 707,398 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,385 |
| Himalayan Countries | 0 | - | 4.95 | 135,160 |
| Andean Countries | 0 | - | 4.94 | 82,733 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,148 |
