OMG! Alert! Alert! The City of Redfield has been hit by an outbreak of exploding zombies! For cool and unimportant reasons these suckers literally explode when shot, showering their zombie brethren with gore and causing chain reactions of showering zombie gibs with just a single bullet!
User reviews: Very Positive (98 reviews)
Release Date: Feb 13, 2014
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Recommended By Curators

"A bit biased here :) Still if you want a game for short bursts this is a good option. Just one well placed bullet creates waves of exploding zombies."

Recent updates View all (1)

October 3

Game Update!


We have revisited the game recently and made a change that should fix a crash bug that a few of our customers have been experiencing.


3 comments Read more

About This Game

OMG! Alert! Alert! The City of Redfield has been hit by an outbreak of exploding zombies! For cool and unimportant reasons these suckers literally explode when shot, showering their zombie brethren with gore and causing chain reactions of showering zombie gibs with just a single bullet!
As a lone cop armed only with bare wit, a large-calibre sniper rifle and bullets coated in a zombie-exploding pathogen, you are the last man standing at the epicentre of a zombie outbreak. Your mission? To succeed where the police and army failed by clearing the streets of 8 different strains of bloodthirsty zombies and stop Armageddon in its tracks!

Use your sharpshooting skills to vanquish 100 branching levels of zombie hell across 40 unique environments in this hugely addictive chain reaction shooter. Earn 400 shiny medals and cold hard cash to buy 100 different upgrades, all designed to MAKE THOSE ZOMBIES EXPLODE!

OMG Zombies is an awesome reimagining of a genuine classic: the critically acclaimed OMG-Z, a top-ten all-time Metacritic rated PSP game and ranked as Metacritic’s best action title ever released on PSP! The guys at Push Square gave it 89% and called it “a must buy” game, Escape Rope claimed it’s “ of the best zombie games in recent memory” and Defunct Games gave it an A rating saying it’s “so addictive... I still can't get enough of watching the explosive chain reaction caused from a well-placed bullet.”

Now the new and improved OMG Zombies features completely redrawn HD graphics, more gore, more levels, more upgrades and all-new content including 12 trophies, 100+ leaderboards, a 20-stage ‘Prestige’ system and 5 beautifully illustrated endings.

System Requirements

    • OS: Windows XP
    • Processor: 1GHz
    • Memory: 1 GB RAM
    • Graphics: DirectX 9.0c compatible graphics card with 64Mb RAM and support for v3 shaders
    • DirectX: Version 9.0c
    • Hard Drive: 135 MB available space
    • Sound Card: DirectX 9.0c compatible sound card
Helpful customer reviews
41 of 41 people (100%) found this review helpful
3.0 hrs on record
Click for Gameplay Trailer - Preview

I like:
+ puzzler with zombie background
+ stages with zombie random groups
+ 100 upgrades
+ clever leveldesign
+ good background music
+ 100 levels
+ 20 prestige grades

dont like:
- weak backdrop
- dependent on luck

The allure of the game is in its simplicity – shoot a zombie and it blows up. If another zombie is in close enough proximity, it too will explode and so forth.
you must clear enough zombies from the screen to earn a medal and continue to the next level.
With each medal, you earn cash to spend on upgrading your weapon and your zombie’s abilities.

cant get enough of this chain reaction splatter destruction :)

Thanks for reading! If you Like my Review, give me a Thumbs up in Steam (not the youtube video).
I make this for the Community and your help is greatly appreciated :)
Posted: October 6
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2 of 2 people (100%) found this review helpful
18.8 hrs on record
First of all, OMG Zombies! is a puzzle game. A bit crazy, random-generated, puzzle game where winning is based on a well-calculated and timed click and the ensuing chaos. Your success is ultimately dictated on that crucial first click and statistics. Oh, and there are a lot of zombies too.

That tickles your interest? Basically, in each level you find yourself somewhere high, surrounded by zombies and with limited ammunition. Each zombie has a special power triggered on their death, like explosion or acid pool or shooting a weapon. With just a few bullets, you have to kill as many zombies as possible, preferably all of them.

This is difficult at first. Then you begin to see patterns within the horde and also accumulate money from winning levels, so it gets easier as you can upgrade your weapon and the zombies. It's left unclear how the zombies can be made stronger, but somehow that happens when you pump enough money in them. Whatever really, as it surely is surprisingly addictive. Several times I decided that the next level would be the last but then kept on playing regardless.

There's also a story. No, it's not very detailed or good, but it explains where the zombies came from and why you find yourself in this dire situation. Also, it's told in an artsy comic manner, so it's cool and it works well for this game. The whole game is drawn in greyscale, except the blood that's (you guessed it) red and everywhere. The unique style works well. Sounds are repetitive and uninteresting, but the cacophony of them can be amusing when you pull a great combo.

For me it lasted 8 hours for the first playthrough (100% completion until first prestige). That brings me to the one thing that kind of bugs me: there's a bad case of "that achievement" in this game, as to earn the last achievement you have to (you get to?) beat the game completely (100%) 20 times. That's going to take a while. I'd recommend the game regardless as it's cheap and fun. It's also a good game to go to when you're waiting for something but only got a few minutes to spare as it's fast to play through just a few levels.
Posted: October 9
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1 of 1 people (100%) found this review helpful
5.4 hrs on record
Simple, but surprisingly satisfying and addictive. Seems like a good challenge curve to get to gold/platinum medals.
Posted: October 3
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1 of 1 people (100%) found this review helpful
10.1 hrs on record
If you get it on sale, this is worth the price. It's a fun little casual game, shoot zombies and try to get them to chain react. I've beat the game, it's not a serious game, watch the trailer if you are still wondering.
Posted: October 11
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3 of 6 people (50%) found this review helpful
19.9 hrs on record
I recently received the gift of a Steam card - though I could've used cash over it, I still love Steam cards. Why? Because they're ONLY good for Steam, only good for games, only good for an escape. OMG Zombies! was something I never picked up because I figured it would be just like every other shoot-zombie run-around eventually-die game that's already out there.

I was entirely wrong. I normally write extremely long reviews that cover everything about a game from length to fun factor to soundtrack to graphics. Literally everything. I can't speak for the music. I've played this game exactly once. My playtime? One day. The game is very huge. It's extremely addictive. I would make a long review for it, but I'm afraid if I don't play it through to 100%, my brain might literally explode. I also used some of my Steam card funds to buy it for several funds. Why?

This is the best indie Zombie killing game on Steam

OMG is right. Whether you're in for sitting at a game for hours or for a few minutes, this fits the bill, and is so friggin' addictive. Yes, yes, yes. Worth twice its normal asking price. Underrated, awesome.

Posted: October 4
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7 of 15 people (47%) found this review helpful
12.7 hrs on record
So simple, yet so addictive! I played this for over five hours in my first setting. It's all about timing and chain of events. Pull the trigger and watch the the zombie fireworks. More fun than a single mouse click should be, that's for certain!
Posted: September 29
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3 of 9 people (33%) found this review helpful
10.6 hrs on record
Fairly silly but enjoyable upgrade-em-up that relies a little too heavily on luck to clear many of the stages. A fun little distraction for a few hours though and a steal at the £1.50 or so i got it for. :)
Posted: September 30
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1 of 5 people (20%) found this review helpful
11.9 hrs on record
Posted: September 26
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2.3 hrs on record
I feel slightly cheated (though I didnt read the description or any reviews or look at any pictures) rather than zombie shooting action this is more akin to Bust-a-move or Bobble Puzzle. (which I suppose is ok)
Posted: October 15
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21.1 hrs on record
A very relaxing, zombie popping, chain forming game. Get better upgrades and watch the chains grow.
Definatly worth getting for the simplicity and the pure squelchy fun.
Posted: October 6
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7.7 hrs on record
Dumb fun. Its roots as a mobile game are pretty clear - all you do is click, after all - but it's still pretty cathartic to shoot a single bullet and watch it take out a hundred zombies.
Posted: October 9
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19.9 hrs on record
OMG Zombies is a funny little puzzle shooter where the aim is to shoot all zombies on the screen and preferably with as less shots fired as possible. The game works like when the different zombies is shot theres a different reaction that will create a chain reaction killing the surrounding zombies like exploding, acid,elctrical and shooting and so on. well omg zombies doesnt has the greatest graphics or the greatest sound but it does have a great gameplay and it gets quite addictive. but eventhough the graphics isnt the greatest they are funny and fits the game well ill recommend this game like a good break from more demanding games. when that is said and as i have completed the game by now im not sure theres much replay value in it but i did enjoy it as long as it lasted. 7.5/10
Posted: October 3
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0.5 hrs on record
Usually I do not like this style of play, being a RPG kinda guy, I got this game, mainly because it was about zombies, and I liked it.

The above the frail, sniper action. The various types of zombies available, each with its own abilities. The ability to beef your sniper, but not only that you can build the attributes of the zombies as well. Strong attributes, easier and mor devistating kills :)

This is a game, that not ranking high on my list, I will play to lose myself for a couple hours. For those who enjoy this style of game, I think, with the Zombie Apocolypse mania that abounds these days, this would be a wonderful game.
Posted: October 4
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12.2 hrs on record
I got this game a while back for the psp. "mini" as they were called and I absolutely loved it. It's very addicting and there's tons of new infected in this to plan out your strategy. It's so satisfying when you get a chain reaction, watching as all the zombies on the screen pop like waterbaloons filled with blood <3
Posted: October 3
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59 of 76 people (78%) found this review helpful
12.1 hrs on record
Nope. Don't buy it.

A clone of the Flash game-series Infectonator, but does nothing better or even as good as Infectonator. Sadly a huge disappointment as a game.

The comic strips explaining the story are lovely, very nice art style.

The main problem with it, aside from the poor amount of gameplay, is that it's an obvious tablet game not made for a desktop computer. The developers really need to redesign or at the very least resize the UI and other elements to fit for a desktop game.

Barely worth the $2 I paid for it.
Posted: June 22
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43 of 69 people (62%) found this review helpful
2.0 hrs on record
Another instance of a mediocre flash game making it's way to steam, OMG Zombies is a perfect example of Valve's incredibly lacking quality control.

The premise is standard click n' watch affair, where you click on one of a handful of zombie types and watch 'em wreak havoc on the rest, the point being to destroy all zombies with the fewest amount of bullets. The game is surprisingly slow and plodding, even given the genre, and it looks absolutely terrible. It's supposed to have your standard indie pixel graphics, but instead it just looks like it's been stretched way too far to look even remotely good.

The same premise has been done countless times, for free, and in better fashion, too. There is absolutely no reason to pay for something lesser than the free flash games that can be found on
Posted: June 17
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10 of 20 people (50%) found this review helpful
6.9 hrs on record
Game is pretty simple. You have a finite amount of bullets to kill an entire screen of various "species of zombies." Each zombie has a unique and helpful reaction when shot - explode, melt into a pool of acid, mortar, fire a pistol/machine gun or shoot a tazer. The objective is simply to use your bullets to set off a chain reaction of death to clear the screen.

I enjoyed what I played of it.
Posted: September 21
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0 of 2 people (0%) found this review helpful
11.6 hrs on record
who doesn't like shooting zombies, and watching them explode..:) well worth the money
Posted: June 24
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0 of 2 people (0%) found this review helpful
23.9 hrs on record
OMFG... Super Fun and realy hard sometimes. A real Must Have! :-D
Posted: May 30
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0 of 2 people (0%) found this review helpful
9.5 hrs on record

As a lone soldier fighting his way through hordes of the walking dead, you must make your way unscathed to a helicopter and flee the area. Unlike most zombie themed games (that don’t feature snowball spitting flora) OMG-Z is a single screen, mostly black and white affair that will test your puzzle skills far more than your agility or ability to perform a head-shot, and is much more akin to Bust-A-Move than Left 4 Dead.

The allure of the game is in its simplicity – shoot a zombie and it blows up. If another zombie is in close enough proximity, it too will explode and so forth – creating a chain reaction that coats the grey tones of the hand drawn backgrounds a pleasing pixellated red.

The portable roots of OMG-Z make for a fast paced game with each level taking anywhere from a few seconds to no more than a few minutes. Gamepad support is there for traditionalists but after utilizing the added keyboard and mouse option we can’t see playing it any other way. It also sports a windowed display option that’s great for getting in a few levels between tweets or writing paragraphs for a video game review.

While it isn’t perfect, OMG-Zombies! is a bloody orgy of viscera and strategy that engages and rewards your tasty, tasty brain. If you only get bitten by one zombie game this year, this one comes highly recommended.

Read my entire review of OMG-Zombies here -

Posted: June 20
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