Fics like A Corpsman's Adventure?

In the middle of an operation against Insurrectionist elements in the year 2558 Naval Corpsman Walter Ziegler is dealt a bad hand by fate and ends up on an unexpected journey across dimensional (and franchise) space with only his wits, equipment, and an annoying smart AI in his helmet. Through the power of friendship- and also this gun he has- Walter will go on a journey in a foreign world and try to not lose his mind or too much blood, while fighting to return to his own reality.

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