First of the three titles in the Gundemonium Collection, this pixel-style side-scroller brings the intensity of the 'bullet hell' shooter genre to Steam. Choose one of two playable characters, including an unlockable third character! Modify character weaponry to your liking!
User reviews: Very Positive (83 reviews)
Release Date: Sep 27, 2011

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Packages that include this game

Buy Gundemonium Collection

Includes 3 items: GundeadliGne, Gundemonium Recollection, Hitogata Happa

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Recommended By Curators

"The big chunky sprites take some time getting used to, but they're gorgeous. Along with the great music, it's hard to put down."

About This Game

First of the three titles in the Gundemonium Collection, this pixel-style side-scroller brings the intensity of the 'bullet hell' shooter genre to Steam. Choose one of two playable characters, including an unlockable third character! Modify character weaponry to your liking! Dominate 5 levels of frenetic gameplay while being bombarded with high-impact weaponry. Each level culminates with a challenging boss to defeat. Three game play modes will keep the non-stop action going! Experience a new level of game-play: Enjoy Gundemonium Recollection while listening to a brand-new arranged soundtrack.

Key features:

  • 5 levels of intense bullet-flying action
  • Sweet Old school retro anime-style art
  • Two playable characters to choose from and a third you can unlock
  • Story, Practice and Mission modes to take your shooting skills to the max
  • 32 Steam achievements
  • Full online leaderboards
  • New arranged soundtrack by DM Ashura

System Requirements

    • Operating system: Windows® XP, Vista, or Windows 7
    • Processor: Intel® 1 GHz Processor (Recommended: 2 GHz)
    • Memory: 256 MB RAM (Recommended: 512 MB RAM)
    • Hard disk space: 500MB
    • Video: DirectX® 9 level Graphics Card
    • Sound: DirectSound-compatible Sound Card
    • DirectX®: DirectX 9 or above
Helpful customer reviews
5 of 5 people (100%) found this review helpful
26.5 hrs on record
Posted: November 5
Alright, if you're here, then you probably know what the "bullet hell" subgenre is, or at least its parent genre, shoot 'em ups (from now on referred to as "shmups"), but if not, I'll briefly explain:

Shmups are generally defined as any top-down or side-scrolling shooter, such as Galaga, Space Invaders, and many others. Bullet hell games, on the other hand, take this to the EXTREME; some of the screenshots for this game should show you just how many bullets you'll have to deal with. To compensate for this, your character's hit box is extremely small, really only a couple of pixels big, so that this is at all possible.

With that out of the way, the actual review!

The presentation:
Generally pretty good quality sprite work; I wouldn't say it's anything outstanding, but certainly nothing to scoff at. The menus are a tad bland, but function well, and aren't boring; just simple.

The story:
It's a little hard for me to comment on this one, honestly; the story isn't really well told throughout the game. To give an example of how important the story is, there's an option to disable the pre-level "cutscenes", which are only one screen with text and some pictures anyway. I believe it has something to do with humanity doing something dumb, and that causes some evil person to attack (again? I'm not sure; I haven't played the first game), and you, being part of some millitary group, have to go and face her. Not terrible, but not super deep either. But that's probably not why you're here, is it? You're looking for...

The gameplay:
Is fantastic. Before you start the game, you have the choice between two characters, Eryth and Earl, and another once you beat the true final boss (which, I should mention, I have not done). Now, there are two conflicting sources on the amount of characters; one (this very Steam page) says that there are two starting characters, with the unlockable third, while the games official webpage states that there are FIVE characters, along with an unlockable sixth. Neither of these are completely correct. The second character, Earl, is actually a customizable character; you can use one of four presets, or you can mix and match her three selectable abilities. These abilities, of which Eryth has as well (however, Eryth is stuck with one skillset), include your normal shots, "bombs" (which almost never actually includes using a bomb), and "Mana Action", which requires your Mana bar to be filled up; this can be done by killing enemies. The game isn't too long, probably about an hour or less if your good; but that's a pretty tall order. The first time I played through this game (playing as Eryth, Revised (normal) difficulty), it took about two hours of multiple retries to get past these five stages. Despite the difficulty (which is pretty normal for these kinds of games), I had a blast, and felt extremely satisfied once I finally conquered it. Thanks in no small part to...

The music:
Now, personally, I loved the music. It's probably one of my favorite game soundtracks, and I'm not exaggerating; I rank this up there with Cave Story, Mega Man X, BlazBlue (the collective series), all of those amazing soundtracks. And the soundtrack actually comes including in the Steam folder for the game once it's installed, so that's a huge plus. However, looking at another review, it said that the musical wasn't all that great. So who knows, I might be in the minority on this one.

Overall:
Hopefully this review didn't end up being too long-winded; I don't exactly have a lot of experience with reviewing. However, I found myself having to hold back on how much I said, because I quite bluntly love this game. It's one of my favorites, and I'm pretty sure the next few days will be spent on getting the achievements. I hope you decide to pick this game up, because it's definitely worth it; I plan on buying the other games in the series at some point soon as well.
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7 of 9 people (78%) found this review helpful
2.7 hrs on record
Posted: December 19
You get to shoot people.

Sideways.

With anime girls.
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3 of 6 people (50%) found this review helpful
9.1 hrs on record
Posted: October 3
Oh my ♥♥♥♥ing god WHAT THE ♥♥♥♥ IS WITH THESE TRUE LAST BOSS REQUIREMENTS also MATRIX ORDERS MODE ♥♥♥♥ YOU SERORI.

I almost hate it but that's why I love it.
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19 of 21 people (90%) found this review helpful
17.1 hrs on record
Posted: December 20, 2013
Although not as strong with it's gameplay as Gundeadligne, Gundemonium has superior visuals and a fantastic soundtrack.
This game is better for a single player experience!

Gundeadligne:
-Multiplayer but sadly rare that anyone plays so get a friend, in-game it suddenly gets insane at difficulty 21 (Demonic).
-Visuals less detailed and has outline better for seperating the background from the foreground.

Gundemonium:
-Single player but is strong with it's levels and has a better climb in difficulty compared with Gundeadligne.
-Visuals sharper and more detailed but can be difficult to look at over the background at times (especially later level 3).

Both equally good games but for different reasons.
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22 of 32 people (69%) found this review helpful
1.2 hrs on record
Posted: December 26, 2013
Do you like Touhou? You do? Ok then, buy this game!
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13 of 21 people (62%) found this review helpful
6.0 hrs on record
Posted: March 10
bullet hell rocks
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5 of 8 people (63%) found this review helpful
28.8 hrs on record
Posted: January 17
Worth every single penny. I plan on buying the other two in the series as well!
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8 of 14 people (57%) found this review helpful
4.0 hrs on record
Posted: May 23
Excellent sprites, excellent music...
I can hardly tell WTF's goin' on half the time... So in other words, excellent Bullet Hell!
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12 of 22 people (55%) found this review helpful
4.4 hrs on record
Posted: March 12
I'm not the best in bullet hell games, i get frustrated, i ragequit, but i love them XD
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1 of 1 people (100%) found this review helpful
0.4 hrs on record
Posted: June 21, 2012
as far as i know, this is what they make gundams out of
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2 of 3 people (67%) found this review helpful
1.9 hrs on record
Posted: July 14, 2012
This is a bullet hell shooter with some difficulty. More difficult than the other Gundemonium game ~ I had to play it through 3 times before I had enough skill to beat it. The last chapter (5) is all one giant boss with mutiple patterns... I think roughly 10+ forms? I dunno

Pretty awesome side scrolling shooter ~ enjoyed myself.

Recommend if you love bullet hell side scrolling games!
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2 of 3 people (67%) found this review helpful
12.6 hrs on record
Posted: December 7, 2011
One of the first 'true' shumps on steam, and oh boy is this sucker a doozy! Devloped back in 2007, retooled slightly for 2011 and brought towards English readers, this game is a blast. Just. A. Total. Blast. But yee be warned if you are new, or still lacking skill in shumps in general: This game will chew you up, and toss you away hard. It doens't pull it's punches even on it's more easier setting, to pass it's insane challanges, fight it's 'true' end game boss, and to unlock the third playable cast member is something maybe only 1% of the people who buy/play this game will EVER achive.

Not for the faint of heart, but those looking for an extremly thrilling challange need not look elsewhere.
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2 of 3 people (67%) found this review helpful
8.8 hrs on record
Posted: July 12, 2012
I don't think I'll -ever- be truly "good" at this game, yet it's nonetheless an absolute /scorching/ of a shmup for the sub-McDonald's-combo price of $4. Plucky music too~ o3o Twin barrels of fun! \o/
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3 of 5 people (60%) found this review helpful
4.2 hrs on record
Posted: December 28, 2011
A fine example of that rarest of things; a fun and well designed horizontal bullet hell shmup. The way the game scales its difficulty dynamically according to your skill keeps the game consistently challenging and surprising. This is a really great shmup with a fun presentation and great execution.
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4 of 8 people (50%) found this review helpful
3.7 hrs on record
Posted: November 28, 2013
this is pretty cool, I've never played any really bullet hellish games before. This one is pretty and has a neat soundtrack that you can listen to outside the game. It kind of doesn't explain itself really well though that's the only real issue.
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2 of 4 people (50%) found this review helpful
6.3 hrs on record
Posted: October 4, 2011
if you like shmups..get the collection. if you like awesome music...get the collection......if your even reading this...get get the collection. you get 3 awesome games. was going to wait for a sale but i ended up getting it full price because a i was about to get the crysis thing with warhead for 9.99. but then i saw that it had an install limit. and said "know what im gonna get that awesome game collection for the same price."
if your still not sure i haave one thing to say:
THERES THE DEMO BUTTON------------------------------------------------------------------------------->
NOW CLICK IT!!!!!! be sure to ply it in windowed for now tho cause fullscreen is currently not working for me at least. BUT ITS STILL AWESOME!!!
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1 of 2 people (50%) found this review helpful
0.7 hrs on record
Posted: September 30, 2011
Guns! Anime girlies! Loud music! Bouncing boobies! This is truly 'cheap thrills', in the best way! Look at the screenshots; says it all really. Bargain.
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2 of 4 people (50%) found this review helpful
10.6 hrs on record
Posted: February 6, 2012
I love the hell out of this game, enough to buy it three times now, but god DAMN if some of the extra challenges aren't hair-pullingly frustrating. I do not care how many times you rerelease this from here on out Platine Dispositif, I'm not platinuming the game a fourth time. Christ almighty.

Okay now back to trying to do some of the absurd crap to unlock the hidden endboss as playable.
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3 of 6 people (50%) found this review helpful
1.5 hrs on record
Posted: April 7
"It's just like ever other left-right shooter." I would say that if I was a jerk. This game is rather fun for it's genre. The loadouts are pretty flexible and the bosses are rather hard. With the loadouts, you need to be smart with what you pick. Each one needs to cover one another and you need to conserve your bombs if you wanna beat any level. I say give it a try.
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1 of 2 people (50%) found this review helpful
51.1 hrs on record
Posted: July 6, 2013
music: 10/10
controls: 9/10
graphics: 10/10
replay value: 8/10

pros: has 5 levels which are break down into 4 areas. the game is fast and has great music. has mission mode which is a boss rush mode.

cons: since its a bullet hell game, this game will be hard, even on easy mode.

in short, if you like bullet hell games, this game is for you.
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