| Former Countries by Territory Map | 0 | - | 4.96 | 102,367 |
| Empires by Maps | 0 | - | 4.98 | 119,711 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,155 |
| Name that Object #1 | 0 | - | 3.57 | 96,442 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,682 |
| Play-Doh People from History | 0 | - | 4.99 | 94,439 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,353 |
| All Country Flags of the World | 0 | - | 5.00 | 3,638,682 |
| Years in History by Picture | 0 | - | 4.44 | 35,390 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,634 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,792 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,725 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,990 |
| Old Movies by Picture | 0 | - | 4.51 | 25,012 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,891 |
| Name that Object #2 | 0 | - | 3.64 | 15,409 |
| Name that Object #3 | 0 | - | 3.93 | 14,366 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,257 |
| Flags with Crescents | 0 | - | 4.98 | 168,756 |
| Country Flag Trivia | 0 | - | 4.81 | 56,611 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,207 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,083 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,786 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,961 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,865 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,500 |
| Random Logos Quiz | 0 | - | 4.31 | 207,902 |
| National Football Team Logos | 0 | - | 4.85 | 179,741 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,308 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,924 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,826 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,496 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,702 |
| Fruits by Picture | 0 | - | 4.19 | 806,263 |
| Geography by Picture - B | 0 | - | 4.42 | 55,524 |
| Geography by Picture - H | 0 | - | 4.50 | 58,149 |
| Geography by Picture - N | 0 | - | 4.45 | 42,139 |
| Geography by Picture - R | 0 | - | 4.56 | 40,960 |
| Geography by Picture - T | 0 | - | 4.54 | 57,775 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,439 |
| Flags to Languages | 0 | - | 4.95 | 173,186 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,411 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,061 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,477 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,951 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,399 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,227 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,705 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,051 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,319 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,440 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,977 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,733 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,615 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,295 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,790 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,464 |
| Name that Bug | 0 | - | 4.12 | 45,514 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,276 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,825 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,574 |
| Elements by Picture | 0 | - | 4.27 | 69,781 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,253 |
| Islands by Picture | 0 | - | 4.29 | 106,546 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,191 |
| Geography by Picture - A | 0 | - | 4.39 | 60,162 |
| Geography by Picture - D | 0 | - | 4.15 | 45,582 |
| Geography by Picture - F | 0 | - | 4.31 | 50,921 |
| Geography by Picture - G | 0 | - | 4.38 | 47,889 |
| Geography by Picture - J | 0 | - | 4.16 | 38,403 |
| Geography by Picture - K | 0 | - | 4.29 | 33,076 |
| Geography by Picture - C | 0 | - | 4.31 | 57,008 |
| Geography by Picture - L | 0 | - | 4.37 | 58,867 |
| Geography by Picture - M | 0 | - | 4.14 | 40,403 |
| Geography by Picture - P | 0 | - | 4.24 | 42,377 |
| Geography by Picture - S | 0 | - | 4.38 | 46,988 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,481 |
| Movie Logos | 0 | - | 4.33 | 237,461 |
| History by Picture - A | 0 | - | 4.25 | 45,692 |
| History by Picture - B | 0 | - | 4.40 | 48,840 |
| History by Picture - C | 0 | - | 4.36 | 54,360 |
| History by Picture - F | 0 | - | 4.35 | 37,797 |
| History by Picture - G | 0 | - | 4.40 | 42,058 |
| History by Picture - D | 0 | - | 4.29 | 44,220 |
| History by Picture - E | 0 | - | 4.27 | 43,831 |
| History by Picture - H | 0 | - | 4.37 | 36,719 |
| History by Picture - K | 0 | - | 4.35 | 33,285 |
| History by Picture - M | 0 | - | 4.17 | 36,080 |
| History by Picture - N | 0 | - | 4.40 | 41,175 |
| History by Picture - O | 0 | - | 4.39 | 36,233 |
| History by Picture - T | 0 | - | 4.20 | 33,247 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,752 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,260 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,474 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,482 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,114 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,549 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,187 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,917 |
| International Footballers by Picture | 0 | - | 4.50 | 55,252 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,893 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,301 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,633 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,656 |
| Flag Maths | 0 | - | 4.64 | 57,730 |
| Satellite Images #1 | 0 | - | 4.46 | 129,231 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,189 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,819 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,820 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,909 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,785 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,738 |
| Soccer Team Logos | 0 | - | 4.26 | 373,053 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,760 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,916 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,377 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,918 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,116 |
| Foods by Picture | 0 | - | 3.81 | 225,851 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,228 |
| Christmas by Picture | 0 | - | 4.25 | 28,139 |
| Hats by Picture | 0 | - | 4.21 | 17,937 |
| Weapons by Picture | 0 | - | 4.13 | 21,003 |
| Cars by Picture | 0 | - | 3.89 | 41,337 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,273 |
| Plants by Picture | 0 | - | 4.24 | 14,402 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,360 |
| Women in History by Picture | 0 | - | 4.25 | 25,859 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,731 |
| Geography by Picture - E | 0 | - | 3.55 | 47,332 |
| Landforms by Picture | 0 | - | 4.31 | 20,634 |
| Geography by Picture - I | 0 | - | 4.00 | 39,371 |
| Geography by Picture - O | 0 | - | 4.01 | 28,098 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,132 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,411 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,132 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,627 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,382 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,897 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,092 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,936 |
| History by Picture - I | 0 | - | 4.26 | 26,150 |
| History by Picture - J | 0 | - | 4.18 | 26,668 |
| History by Picture - L | 0 | - | 4.18 | 30,707 |
| History by Picture - P | 0 | - | 4.08 | 25,241 |
| History by Picture - Q | 0 | - | 4.03 | 22,032 |
| History by Picture - R | 0 | - | 4.13 | 26,783 |
| History by Picture - S | 0 | - | 4.14 | 27,727 |
| History by Picture - U | 0 | - | 4.24 | 25,072 |
| History by Picture - V | 0 | - | 4.30 | 25,033 |
| History by Picture - W | 0 | - | 4.01 | 21,594 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,838 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,063 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,551 |
| Flowers by Picture | 0 | - | 4.46 | 105,531 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,652 |
| Authors by Picture | 0 | - | 4.48 | 25,490 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,961 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,507 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,559 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,740 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,705 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,354 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,245 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,987 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,052 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,436 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,099 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,988 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,269 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,308 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,077 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,532 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,245 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,213 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,026 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,064 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,819 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,746 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,006 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,161 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,987 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,579 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,720 |
| Emoji Flags | 0 | - | 4.35 | 43,969 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,712 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,678 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,344 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,166 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,478 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,750 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,900 |
| Airline Logos | 0 | - | 4.45 | 140,405 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,414,481 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,803 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,538 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,280 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,709 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,231 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,799 |
