Science Fiction (Hard or Soft) is an important Element of these games.
| Name | Similarity |
|---|---|
| Spaceship | 29% |
| Future | 27% |
| Space | 26% |
| Extraterrestrial | 20% |
| Future Earth | 18% |
| Mecha Combat | 17% |
| Artificial Intelligence | 17% |
| Hard Science Fiction | 17% |
| Mecha | 16% |
| ADV | 16% |
| Future Setting in a Fictional World | 16% |
| Genetic Research | 16% |
| Starship Combat | 15% |
| Mecha Pilot Protagonist | 15% |
| Robots | 15% |
| Action | 15% |
| Robot Heroine | 15% |
| No Sexual Content | 14% |
| Nanomachines | 14% |
| Infodumping | 14% |