Novels like Gunboat

All share Space Opera and Sci-fi

Wormhole Cultivation
4.44
Also Portal Fantasy / Isekai
The Power of Ten: Book One: Sama Rantha, and Book Two: The Far Future
4.33
Also Portal Fantasy / Isekai
The Tourism Board Source Book
No ratings yet
Also Portal Fantasy / Isekai
Everyone Awakened Powers, I Evolved with an Alien Armor
No ratings yet
Also Portal Fantasy / Isekai
Cultivating the Demonic - First Plane
No ratings yet
Also Portal Fantasy / Isekai
Three Strikes & Black Skies
4.67
Also Portal Fantasy / Isekai
SYRINE - Into the Grim Darkness of the Far future (Warhammer 40,000 / WH 40k / Isekai / Self-Insert)
4.63
Also Portal Fantasy / Isekai
Seeking Strays
4.67
Also LitRPG
The Call of the Hollow Men
4.72
Also LitRPG
The Last Human (Series Complete)
4.55
Also Portal Fantasy / Isekai
Food Cart in the Multiverse
4.44
Also Portal Fantasy / Isekai
Flesh of Gods
4.60
Also LitRPG