| Former Countries by Territory Map | 0 | - | 4.96 | 102,724 |
| Empires by Maps | 0 | - | 4.98 | 120,295 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,242 |
| Name that Object #1 | 0 | - | 3.57 | 96,491 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,187 |
| Play-Doh People from History | 0 | - | 4.99 | 94,723 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,542 |
| All Country Flags of the World | 0 | - | 5.00 | 3,658,080 |
| Years in History by Picture | 0 | - | 4.44 | 35,483 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,852 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,184 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,380 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,105 |
| Old Movies by Picture | 0 | - | 4.51 | 25,083 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,996 |
| Name that Object #2 | 0 | - | 3.64 | 15,442 |
| Name that Object #3 | 0 | - | 3.93 | 14,396 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,444 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,464 |
| Flags with Crescents | 0 | - | 4.98 | 169,372 |
| Country Flag Trivia | 0 | - | 4.81 | 56,946 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,641 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,414 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,271 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,214 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,163 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,738 |
| Random Logos Quiz | 0 | - | 4.31 | 208,326 |
| National Football Team Logos | 0 | - | 4.85 | 180,228 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,407 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,024 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,954 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,577 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,792 |
| Fruits by Picture | 0 | - | 4.19 | 807,075 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,016 |
| Geography by Picture - T | 0 | - | 4.54 | 57,830 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,960 |
| Flags to Languages | 0 | - | 4.95 | 173,551 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,488 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,161 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,562 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,043 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,457 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,300 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,767 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,123 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,384 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,495 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,052 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,783 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,679 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,489 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,382 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,543 |
| Name that Bug | 0 | - | 4.12 | 45,555 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,344 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,940 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,675 |
| Elements by Picture | 0 | - | 4.27 | 69,909 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,306 |
| Islands by Picture | 0 | - | 4.29 | 106,871 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,256 |
| Geography by Picture - A | 0 | - | 4.39 | 60,239 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,059 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,895 |
| Movie Logos | 0 | - | 4.33 | 238,289 |
| History by Picture - A | 0 | - | 4.26 | 45,798 |
| History by Picture - B | 0 | - | 4.40 | 48,952 |
| History by Picture - C | 0 | - | 4.36 | 54,480 |
| History by Picture - F | 0 | - | 4.35 | 37,889 |
| History by Picture - G | 0 | - | 4.40 | 42,149 |
| History by Picture - D | 0 | - | 4.29 | 44,315 |
| History by Picture - E | 0 | - | 4.25 | 43,937 |
| History by Picture - H | 0 | - | 4.37 | 36,801 |
| History by Picture - K | 0 | - | 4.35 | 33,361 |
| History by Picture - M | 0 | - | 4.17 | 36,149 |
| History by Picture - N | 0 | - | 4.40 | 41,263 |
| History by Picture - O | 0 | - | 4.39 | 36,318 |
| History by Picture - T | 0 | - | 4.20 | 33,315 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,016 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,781 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,616 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,211 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,762 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,367 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,004 |
| International Footballers by Picture | 0 | - | 4.50 | 55,558 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,418 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,582 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,778 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,261 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Satellite Images #1 | 0 | - | 4.47 | 129,343 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,281 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,896 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,901 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,966 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,967 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,947 |
| Soccer Team Logos | 0 | - | 4.26 | 374,224 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 180,173 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,730 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,754 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,235 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,258 |
| Foods by Picture | 0 | - | 3.81 | 226,052 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,353 |
| Christmas by Picture | 0 | - | 4.26 | 28,162 |
| Hats by Picture | 0 | - | 4.21 | 17,963 |
| Weapons by Picture | 0 | - | 4.13 | 21,051 |
| Cars by Picture | 0 | - | 3.89 | 41,481 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,295 |
| Plants by Picture | 0 | - | 4.24 | 14,438 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,733 |
| Women in History by Picture | 0 | - | 4.25 | 25,911 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,769 |
| Geography by Picture - E | 0 | - | 3.55 | 47,371 |
| Landforms by Picture | 0 | - | 4.31 | 20,669 |
| Geography by Picture - I | 0 | - | 4.00 | 39,421 |
| Geography by Picture - O | 0 | - | 4.01 | 28,137 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,461 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,486 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,207 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,689 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,437 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,959 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,143 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,987 |
| History by Picture - I | 0 | - | 4.24 | 26,233 |
| History by Picture - J | 0 | - | 4.18 | 26,735 |
| History by Picture - L | 0 | - | 4.18 | 30,788 |
| History by Picture - P | 0 | - | 4.08 | 25,293 |
| History by Picture - Q | 0 | - | 4.03 | 22,084 |
| History by Picture - R | 0 | - | 4.13 | 26,854 |
| History by Picture - S | 0 | - | 4.14 | 27,798 |
| History by Picture - U | 0 | - | 4.24 | 25,138 |
| History by Picture - V | 0 | - | 4.30 | 25,115 |
| History by Picture - W | 0 | - | 4.01 | 21,646 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,071 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,261 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,862 |
| Flowers by Picture | 0 | - | 4.46 | 105,623 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,730 |
| Authors by Picture | 0 | - | 4.48 | 25,530 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 88,849 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,731 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,786 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,915 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,826 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,514 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,410 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,095 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,114 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,598 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,213 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,147 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,400 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,411 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,175 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,694 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,402 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,402 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,534 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,152 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,248 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,064 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,250 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,644 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,327 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,833 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,936 |
| Emoji Flags | 0 | - | 4.35 | 44,066 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,835 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,944 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,383 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,354 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,673 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,805 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,398 |
| Airline Logos | 0 | - | 4.45 | 140,650 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,421,221 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,276 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,968 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,551 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,944 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,487 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,095 |
