Tunnel Rat 4
Audiobook & Ebook

Tunnel Rat 4 by Walrus King | Free Audiobook

Part of Tunnel Rat #4

By Walrus King

Narrated by Garrett Michael Brown

🎧 14 hours and 31 minutes 📘 Aethon Audio 📅 March 31, 2026 🌐 English
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About This Audiobook

Milo is back again, causing trouble in the game world of Genesis.

But, is it only a game?

He has suspicions that things aren’t so simple, and needs to dig deeper. And while he does that, he’s slowly coming out of his shell. Just a small crack, nothing big. A trip to an underground market of used games leads to making a few friends. He’ll need them because things in the habitat are about to get more complex as corporations move in along with organized crime. These people invading his home bring a lot of problems, and Milo loves to solve problems. There will be shockwaves hitting corporations and crime lords, and maybe a little collateral damage.

Family matters, he learned that in Limburger Hollow, and Milo has a new family to protect. He’ll do whatever it takes to keep them safe.

He also has an old family who causes as much trouble as he does. He thinks they’re dead, and they think he’s lost. And the world’s largest AI, Wally, wants to know more about all of them. It’s hard to hide when you’re causing as much trouble as Milo and the Alphabet can cause.

Book 4 of this unique spin on LitRPG featuring an unusual MC you can’t help but root for. Featuring plenty of humor, action, thievery, ninja abilities, a detailed world and System, science skills, magic tinkering, item invention, and more originality than you can shake a rat tail at!

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Our Review of Tunnel Rat 4

Rarely has a novel left such a mark on me. Walrus King delivers with Tunnel Rat 4 a work that moves and challenges. The audio format adds a new dimension to this text, rich in emotion and humanity.

Why Listen to Tunnel Rat 4 as an Audiobook?

The audiobook is the ideal format to savor Walrus King’s prose. Every sentence comes alive, every emotion is amplified by the narrator’s voice. Garrett Michael Brown delivers a stellar narration that brings the story to life. At 14 hours and 31 minutes, it is the perfect length to fully immerse yourself. A complete literary experience that transforms a novel into a sensory journey.

What You Will Discover

Throughout this listen, you’ll dive into a rich and nuanced world where characters evolve with striking authenticity. Milo is back again, causing trouble in the game world of Genesis. But, is it only a game? He has suspicions that things aren’t so simple, and needs… A story that will stay with you long after the final minute.

Who Is This Audiobook For?

If you love literature that moves and makes you think, Tunnel Rat 4 is for you. Fans of Walrus King and contemporary fiction will be delighted.

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What Listeners Are Saying

★★★★★

My favorite series right now!

Right now this is my favorite series I’m following: I love the cleverness, the kindness, the cool plays, and the worlds (both game and dystopian cyberpunk).

– AdmOrian
★★★★★

Fantastic

Have loved the series so far and can't wait to see more. I really don't get why this series hasn't taken off more than it has.

– Matthew Anderson
★★★★★

You know it's good when you turn to the next page and it isn't there.

Ohhhh! Myyy! You know a books good when your brain keeps wishing that there were more pages, that it's too short! I absodamnlutely love, Love, LOVE this book/series!!! And I have no idea why I thought bk3 was the final book either… all I know was that I loved it…

– Lonnie-The GreatNorthernTroll-Moore
★★★★☆

Good story, needs another edit pass.

Amazing story let down by some formating issues causing some doubled sentences and missing texts.

– jameo devral
★★★★★

GOOD

YES VERY GOOD READ NOW THEN WIT FOR NEXT BOOK THEN READ THAT TOO. In other words, yes very good

– B.O.B
Alexandra Reed

Written by Alexandra Reed

Founder & Literary Critic