| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,689 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,082 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,532 |
| All Country Flags of the World | 0 | - | 5.00 | 3,617,026 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,164 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,074 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,696 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,585 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,258 |
| Flags with Crescents | 0 | - | 4.98 | 167,994 |
| Country Flag Trivia | 0 | - | 4.81 | 56,163 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,699 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,681 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,219 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,228 |
| Satellite Images #1 | 0 | - | 4.46 | 129,103 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,066 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,722 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,716 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,855 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,464 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,329 |
| World Coats of Arms | 0 | - | 4.99 | 64,027 |
| Flags to Languages | 0 | - | 4.95 | 172,779 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,128 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,773 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,925 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,745 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,289 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,282 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,703 |
| Geography by Picture - B | 0 | - | 4.42 | 55,464 |
| Geography by Picture - H | 0 | - | 4.50 | 58,087 |
| Geography by Picture - N | 0 | - | 4.45 | 42,081 |
| Geography by Picture - R | 0 | - | 4.55 | 40,912 |
| Geography by Picture - T | 0 | - | 4.54 | 57,716 |
| Countries by Road Signs | 0 | - | 4.98 | 53,270 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,751 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,109 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,059 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,457 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,951 |
| Geography by Picture - A | 0 | - | 4.39 | 60,092 |
| Geography by Picture - D | 0 | - | 4.15 | 45,534 |
| Geography by Picture - F | 0 | - | 4.31 | 50,864 |
| Geography by Picture - G | 0 | - | 4.38 | 47,837 |
| Geography by Picture - J | 0 | - | 4.16 | 38,359 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,952 |
| Geography by Picture - L | 0 | - | 4.37 | 58,811 |
| Geography by Picture - M | 0 | - | 4.14 | 40,368 |
| Geography by Picture - P | 0 | - | 4.24 | 42,327 |
| Geography by Picture - S | 0 | - | 4.38 | 46,942 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,426 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,890 |
| Flag Maths | 0 | - | 4.78 | 57,694 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,527 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,508 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,067 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,490 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,372 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,052 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,412 |
| Largest City by Island | 0 | - | 4.87 | 71,253 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,498 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,882 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,374 |
| Country Flags with the Southern Cross | 0 | - | 4.80 | 61,642 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,157 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,057 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,916 |
| African Island Countries | 0 | - | 4.96 | 100,991 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,916 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,899 |
| Pixelated World Map | 0 | - | 5.00 | 142,685 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,672 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,947 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,027 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,782 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,516 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,990 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,403 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,795 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,912 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,869 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,161 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,342 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,470 |
| Islands by Country #1 | 0 | - | 4.87 | 174,653 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,158 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,205 |
| Flags of North and South America | 0 | - | 4.99 | 368,912 |
| Emoji Flags | 0 | - | 4.35 | 43,874 |
| Former Flags | 0 | - | 4.97 | 106,955 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,412 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,706 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,959 |
| Geography by Picture - E | 0 | - | 3.55 | 47,300 |
| Landforms by Picture | 0 | - | 4.31 | 20,598 |
| Geography by Picture - I | 0 | - | 4.00 | 39,340 |
| Richest Island Countries | 0 | - | 4.84 | 99,781 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,220 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,103 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,652 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,205 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,961 |
| Flags of Oceania | 0 | - | 5.00 | 256,180 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,213 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,665 |
| Select the World Flags | 0 | - | 4.27 | 37,476 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,526 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,610 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,261 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,620 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,038 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,769 |
| Boundary Waters | 0 | - | 4.92 | 88,126 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,491 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,584 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,997 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,899 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,458 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,228 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,769 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,758 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,610 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,049,755 |
| Landlocked Countries | 0 | - | 4.99 | 415,284 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 557,580 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,764 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,229 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,083 |
| Geography by Picture - O | 0 | - | 4.00 | 28,069 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,211 |
| Islands by Picture | 0 | - | 4.29 | 106,164 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,288 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,199 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,086 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,324 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,742 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,195 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,689 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,760 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,725 |
| Island Countries | 0 | - | 4.99 | 708,295 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,257 |
| Himalayan Countries | 0 | - | 4.95 | 135,948 |
| Andean Countries | 0 | - | 4.94 | 83,159 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,478 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,610 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,176 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,823 |
| Danube Countries | 0 | - | 4.97 | 71,258 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,987 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,705 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,843 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,782 |
| European Landlocked Countries | 0 | - | 4.99 | 145,953 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,503 |
| Countries with the Most Species | 0 | - | 4.99 | 95,340 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,632 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,068 |
| Countries in the Alps | 0 | - | 4.86 | 117,109 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,752 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,572 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,154 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,576 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,371 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,790 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,890 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,682 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,271 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Asian Island Nations | 0 | - | 4.63 | 93,863 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,875 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,886 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,443 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,792 |
| Similar Flags #1 | 0 | - | 4.74 | 129,331 |
| Similar Flags #2 | 0 | - | 4.74 | 136,593 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,012 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,213 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,168 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,720 |
| Largest Countries By Category | 0 | - | 4.97 | 157,013 |
| Countries by Countries | 0 | - | 4.96 | 62,434 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,656 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,021 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,657 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,376 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,271 |