Fatal Twelve - Demo
| Relation | Fatal Twelve |
| Title | Fatal Twelve - Demo |
| Type | Trial, unofficial |
| Language | Russian |
| Publication | Freeware, doujin |
| Platforms | Android Linux Mac OS Windows |
| Medium | Internet download |
| Resolution | 1280x720 |
| Voiced | Not voiced |
| Animation | Story: Simple animations |
| Released | 2017-06-26 |
| Publishers | Nekoteam Project Gardares |
| Links | Official website |
Standalone version (with bonus content) + Steam-patch