| All Country Flags of the World | 0 | - | 5.00 | 3,720,378 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,223 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,082 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,815 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,872 |
| Flags with Crescents | 0 | - | 4.98 | 171,576 |
| Country Flag Trivia | 0 | - | 4.82 | 58,211 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,063 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,555 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,775 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,574 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,975 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,234 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,316 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,109 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,671 |
| World Coats of Arms | 0 | - | 4.99 | 65,263 |
| Flags to Languages | 0 | - | 4.95 | 174,632 |
| Geography by Picture - B | 0 | - | 4.42 | 55,814 |
| Geography by Picture - H | 0 | - | 4.50 | 58,410 |
| Geography by Picture - N | 0 | - | 4.45 | 42,375 |
| Geography by Picture - R | 0 | - | 4.56 | 41,173 |
| Geography by Picture - T | 0 | - | 4.54 | 58,024 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,591 |
| Countries by Road Signs | 0 | - | 4.98 | 54,406 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,579 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,574 |
| Geography by Picture - A | 0 | - | 4.39 | 60,463 |
| Geography by Picture - D | 0 | - | 4.15 | 45,809 |
| Geography by Picture - F | 0 | - | 4.31 | 51,214 |
| Geography by Picture - G | 0 | - | 4.39 | 48,105 |
| Geography by Picture - J | 0 | - | 4.16 | 38,621 |
| Geography by Picture - K | 0 | - | 4.29 | 33,275 |
| Geography by Picture - C | 0 | - | 4.31 | 57,261 |
| Geography by Picture - L | 0 | - | 4.37 | 59,158 |
| Geography by Picture - M | 0 | - | 4.14 | 40,600 |
| Geography by Picture - P | 0 | - | 4.24 | 42,590 |
| Geography by Picture - S | 0 | - | 4.38 | 47,197 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,276 |
| Flag Maths | 0 | - | 4.61 | 57,857 |
| Satellite Images #1 | 0 | - | 4.46 | 130,038 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,739 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,427 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,280 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,247 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,616 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,809 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,528 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,573 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,164 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,744 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,492 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,092 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,242 |
| Emoji Flags | 0 | - | 4.35 | 44,311 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,682 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,045 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,333 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,946 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,381 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,979 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,270 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,505 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,506 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,086 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,292 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,740 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,464 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,816 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,503 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,452 |
| Pixelated World Map | 0 | - | 5.00 | 144,184 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,463 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,378 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,436 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,230 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,829 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,238 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,161 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,529 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,990 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,142 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,494 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,751 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,824 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,792 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,822 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,499 |
| Flags of North and South America | 0 | - | 4.99 | 377,600 |
| Former Flags | 0 | - | 4.97 | 108,720 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,277 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,071 |
| Geography by Picture - E | 0 | - | 3.54 | 47,509 |
| Landforms by Picture | 0 | - | 4.31 | 20,763 |
| Geography by Picture - I | 0 | - | 4.00 | 39,548 |
| Geography by Picture - O | 0 | - | 4.01 | 28,261 |
| Boundary Waters | 0 | - | 4.92 | 88,811 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,435 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,781 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,458 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,024 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,044 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,544 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,449 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,824 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,415 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,722 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,247 |
| Flags of Oceania | 0 | - | 5.00 | 263,141 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,726 |
| Select the World Flags | 0 | - | 4.28 | 38,016 |
| Landmarks Picture Quiz #2 | 0 | - | 4.39 | 137,313 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,532 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,839 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,561 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,263 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,934,918 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,199 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,136 |
| Landlocked Countries | 0 | - | 4.99 | 426,797 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,700 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,844 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,348 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,659 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,457 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,906 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,967 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,471 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,087 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,128 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,735 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,689 |
| Himalayan Countries | 0 | - | 4.93 | 140,619 |
| Andean Countries | 0 | - | 4.94 | 85,693 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,823 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,329 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,377 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,608 |
| Danube Countries | 0 | - | 4.97 | 72,499 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,722 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,921 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,335 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,788 |
| European Landlocked Countries | 0 | - | 4.99 | 147,690 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,448 |
| Countries with the Most Species | 0 | - | 4.99 | 103,617 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,554 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,799 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,929 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,642 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,093 |
| Countries in the Alps | 0 | - | 4.87 | 118,899 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,860 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,034 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,029 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,119 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,068 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,342 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,509 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,953 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,484 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,270 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,929 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,805 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,628 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,877 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,976 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,057 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,682 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,951 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,773 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,061 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,362 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,580 |
| Largest Countries By Category | 0 | - | 4.97 | 158,991 |
| Countries by Countries | 0 | - | 4.97 | 63,744 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,368 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,435 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,696 |
| Merged Country Flags | 0 | - | 4.88 | 107,440 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,261 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,494 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,184 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,177 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,546 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,016 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,286 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,851 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,643 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,216 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,288 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,623 |
| Longest International Borders | 0 | - | 4.99 | 265,916 |
| Countries with Three Borders | 0 | - | 4.96 | 36,808 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,400 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,539 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,199 |
| Demonym of Every Country | 0 | - | 4.90 | 61,575 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,539 |