PS Vita Free-to-play Gundam: Battle Fortress announced for PS Vita Capture enemy strongholds in real-time simulation game. Famitsu this week reveals Mobile Suit Gundam: Battle Fortress, a new free-to-play title for PS Vita. The real-time simulation game sees players constructing their own base and capturing enemy strongholds.A release date is not yet known.Thanks, Famitsu.