You can buy it here: https://store.steampowered.com/app/1720790/Door3Insignia/
- News and updates
- Door2:Key
- Door3:Insignia was released on Steam
Developer announcements, patch notes and gaming coverage from across the GaugeDB catalogue.
Source: Steam Community (opens in a new tab)
You can buy it here: https://store.steampowered.com/app/1720790/Door3Insignia/