River Oath is a turn-based strategy game written for Kalgoorlie Retro Gaming. The River Intendancy of the Lian Empire has stolen the dike money, and the old flood-markers say the Great Flood will come in the seventh month of the twentieth year. You lead a band of outlaws on the Long Jade river and its two branches: win the people over with deeds that become tales, steal and expose the officials' ledgers, raid their garrisons on a hex battle field with boats and river current, and bring the Intendancy down before the water does. Keep the dikes standing as you go: a victory with the dikes in good repair is The River Kept; with the dikes failing it is A Hollow Pardon.

One to four players take turns at one computer, with a hand-over screen between them, and the computer leads the other bands. With nobody playing you can watch the computer play every band.

It has the same retro look as Sengoku and The Broken Seal, whose screen and hex battle it builds on. Every place, person and tale in it is invented.

The current version is 0.1.0 (7 November 2026), the first release. It is for Windows and Linux; there is no browser edition yet.

The same help is in the game: press H on the main screen.

From https://retro.theiguru.au/riveroath/, the Heisenbergs Files area on the BBS, or the anonymous FTP at home (riveroath folder):