Grand Rivers Mod

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Author of the Grand Rivers Mod: 101VaultBoy

The Grand Rivers Mod expands the might of RimWorld’s waterways.

Grand Rivers Mod features

The Grand Rivers Mod changes two aspects of the game:

  • Firstly, rivers are much larger and more significant. No more tiny stream where a river should be.
  • Secondly, moving water slows down entities much more, making rivers a challenge to cross and attack over, while making them a useful natural defense.
This mod is compatible with existing saves, it does not require you to start a new game.

Grand Rivers Mod Review
  • Necessity
  • Originality


The Grand Rivers Mod makes rivers more true to their nature. If you chose a map that has a huge river crossing it, it simply makes sense that there is an actual huge river in there. As simple as it seems, the Grand Rivers Mod may make your game more difficult, not only because of the slowed movement, but also because there is less room to build.