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The galaxy trembles as Leo and his allies face an unprecedented invasion by the relentless the Mantis, the Grinning Men, the Deros, and the Nordics. As these formidable foes converge upon their world, alliances are tested and battles rage across land and sky. Amidst the chaos, Leo must lead his team in a desperate struggle to defend humanity against overwhelming odds.In this thrilling installment of the ongoing Level Up series, pic battles rage across land and sky, alliances will are tested and sacrifices made. Can they stand against the might of the alien horde and protect everything they hold dear?

The fate of humanity hangs in the balance. Don't miss Invasion, the latest chapter in this epic saga. Get your copy now!

197 pages, Kindle Edition

Published June 22, 2024

145 people are currently reading
9 people want to read

About the author

Craig Zerf

193 books117 followers
Craig Zerf is a full-time writer who has been awarded the Golganooza Gold medal for Fantasy as well as being voted 'Best Read' by radio BBC United Kingdom.

His novels have been translated into French, Portuguese, Italian, Spanish and German.

Craig has lived in America, Africa and Europe and now resides in England with his wife and two imaginary cats.

His books have reached the number one Best Seller spot in both the United Kingdom and Germany and he reckons that writing is about the most fun that you can have without actually blowing things up!

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Community Reviews

5 stars
139 (61%)
4 stars
42 (18%)
3 stars
35 (15%)
2 stars
8 (3%)
1 star
3 (1%)
Displaying 1 - 8 of 8 reviews
421 reviews10 followers
August 1, 2024
It's fantasy stupid

Enjoyable romp , Leo is more powerful than a God and the good guys seem to be constantly teetering on the brink of defeat but they always survive and not a single one of Leo's companions dies which is unbelievable as they are constantly outnumbered by superior opponents , Leo seems a bit haphazard in the use of some of his AOA spells and the airship.looked to have been forgotten about until the end , I'll read the next book as I'm curious what acts of divine intervention save them.
11 reviews
August 7, 2024
Really bummed

*some spoilers*


The start of the series was solid and interesting, but with the addition of advanced tech and the invaders it's gotten dull. Things change without warning, Leo has stopped using a bow despite it being his most powerful skill set. He no longer uses his mana sense. Many many phrases were repeated, sometimes on the same page. Every fight had a "we're losing! No we're not!" situation. Right now, I don't think I'll continue the series, it's far too tedious to slog through at the moment.
691 reviews10 followers
October 21, 2024
While Saving All the Races, Alien Invaders Must Die!

Leo, with the help of all the Races except for the Dwarves, fight off the Alien invasion. The battles are intense and casualties high, but only winning is the only option! The Dwarves are to head strong to join with their neighbors, the rest of the races, and are getting their back-sides wiped.
The battle connecting to the next book is going to be massive.

Another really good read. Every book in this series has been amazing and intense.

Read in 4 days
96 reviews
February 4, 2025
Fun read

I found this installment to be "jump the shark" level challenge. The problem with an OP character is you want to have them struggle, but then all the support people around them either get killed or in this case advanced technology and weapons are added and individual power and levels become irrelevant. It's becoming more a sci-fi fantasy and less RPG, and I'm still enjoying it.
Profile Image for Jim Gutzwiller.
258 reviews4 followers
July 16, 2024
Level Up book 5.

Wow! It just gets better and better! More action in this book than in a James Bond Marathon! We get to be introduced to some of the Aliens. We get to see what upgrades can do! It is getting very intense now, can Leo and his Friends survive? I guess we will see what happens in the next book!

Thank you! Its gripping reading so far.

11 reviews1 follower
January 9, 2025
Craig is a great writer and I generally enjoy his work. This series started off good but the editing just keeps getting worse and worse as the series goes on. Spelling errors, a character that dies and 50 pages later seems alive and well, enough errors that it throws off the flow at times. This series could have been so much better.
Profile Image for LaziMantis Vasquez.
533 reviews
June 26, 2024
Great book

Great book awesome read I like the characters especially the mc Leo I wish he better equipped people his best should get powers suit too at least is potential romantic companion
1,126 reviews9 followers
July 5, 2024
Good

Good chapter of this LitRPG apocalypse saga. Addition of technology Weapons was well done. Geographic control seems small, only 500 Mike radius, for his power level.
Displaying 1 - 8 of 8 reviews

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