- Reworked level progression: Each stage is no longer a continuous large map node but now features various stations scattered across a planet, each with its own functional stronghold. The Imperial Army's pursuit forces are now displayed more clearly.
Each stronghold may trigger special events, such as discovering rich mineral veins, electromagnetic interference, or vast open areas.
- Overhauled the Modification Factory and Resistance Center functions
Modification Factory: Can repair train durability, upgrade cards, and delete cards.
Resistance Center: Can purchase exclusive train upgrades.
- Blueprint adjustments: Train modifications can now be adjusted directly from the train info panel.
- Reworked most mercenary effects.
- Overhauled equipment cards, now functioning as permanent weapon upgrades.
- Reworked the unlock method for train-exclusive cards.
- Adjusted balance for most cards.
- Revised train storage rules: Exceeding capacity now requires discarding items to proceed.
- Core system adjustments: Once unlocked, cores can be freely selected in the base scene. Core usage no longer consumes energy, only requiring cooldown.
- Exploration system rework: Now divided into four dimensions—exploration item quantity, carry capacity, danger level, and max dispatch count. Each dimension has a cap, and assigning crew affects these values without exceeding limits.
- Reworked train selection screen, adding the Iron Fearless β model.
- Frontline stronghold rework: Now grants starting buffs by spending Honor Points, which increase with game difficulty.
- Train upgrade adjustments: Upgrades can now be performed anytime via the info panel, no longer requiring facility visits. Upgrades are obtainable from the Resistance Center and Research Lab.
- New peripheral strongholds:
Forge: Can upgrade 1 weapon for free.
Research Lab: Can upgrade 1 train enhancement for free.