| Name | Type |
|---|---|
| Voyager | wiki |
| World Geography | wiki |
| xPonum | wiki |
| Your Local Guide | wiki |
| Kalulu | wiki |
| Karriere Games (German) | wiki |
| Legends of Learning | wiki |
| Little Alchemy | wiki |
| Lohngame | wiki |
| Merriam - Webster Games | wiki |
| Minerva 2 - RPG Maker MV | wiki |
| Mycocosm | wiki |
| Niche | wiki |
| Periodic table | wiki |
| Phys | wiki |
| President for a Day - Corruption | wiki |
| Quiz, Quiz, Trade: Animals | wiki |
| Quizzity | wiki |
| Second Life | wiki |
| Sentence Puzzle | wiki |
| Settera | wiki |
| Shadowspect | wiki |
| SimAULA | wiki |
| SoloLearn | wiki |
| Stressrekord | wiki |