To protect your moving train in Rail Fortress : Defense, summon weapons and merge them to upgrade your firepower against monster waves. The supplied game description identifies summoning and merging as the core weapon actions; it does not specify particular weapons, merge requirements, or where to place them.
Free Rail Fortress : Defense Codes
Current active codes and how to redeem them.
James Brown
James focuses on Android gaming on PC, emulator setup, controls, performance tuning, and practical troubleshooting for longer play sessions.
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Player Comments
109 players commented on this guide.
The explanation is clear, especially for beginners.
I wish I had read this before upgrading the wrong thing.
This saved me time in the early game.
Nice guide. I am checking the other Rail Fortress : Defense articles next.