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Ammossum

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Ammossum

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Build an endlessly upgradable weapon! Evolve projectiles into unstoppable firepower in this action roguelike. Fight through hordes of infected beasts, hunt down the source of the plague, and feel the thrill of bloody shootouts filled with bullets, explosions, and acid. Can you survive the madness?

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Ammossum Releases September 28!

Sep 3

Ammossum launches September 28!

After years of development, the train is finally ready to leave the station.

We've been working hard on the full version of the game, adding new weapons, items, railcars, characters, enemies, bosses, biomes, and much more.

The full release will bring everything we've been building toward, and we can't wait for you to finally play it.

See you aboard on September 28! 🚂

Ammossum

SteamDeck + Controller Support at launch?

Hey! Just checking in on the steamdeck support along with controller support? One doesn't really go without the other in my opinion, as many of us with SD's play docked. Just wondering if this game will be playable on Sept 28th using SD w/ controller?...

Balizzm

4 hours ago

General Discussions

0.9.9.1 Update is here!

May 17

Update 0.9.9.1 are here!

Added French localization
Added Portuguese localization
Added Spanish localization
Fixed an issue where enemies would get stuck in the bridge arena
Fixed an issue where the second boss would die immediately after the first boss
Fixed a bug where the "Will" aspect would cause a hardlock
Endless mode — performance improvements for late-game stages

Ammossum

On the Edge of Release: 0.9.9.0 Demo Update

May 8

You can join the demo through our Steam page. For all the latest news about the game, you’re welcome to join our Discord community![discord.com]

Ammossum v.0.9.9.0

First of all, thanks to everyone who participated in our previous playtests, the Steam Next Fest demo, and shared their feedback.

We've reworked and added a lot of things — so let's check out what's new!

Changes:

New Railcars and Updated Economy Basics

The supply drop system has been replaced with a new railcar-based economy.

We've added 10 different economic railcars, each providing unique items or bonuses after every battle. You can purchase new eco railcars or earn them as quest rewards.

This means you can now scale your economy more effectively — and the start of the game is smoother than ever!

We've also added a new battle railcar — the Shooter.

This railcar, along with the existing battle railcars, now comes in 4 different types — one for each projectile shape. That's 12 battle railcars in total!

We've also made them more accessible than before, so you can now build your strategy around them and make them your main source of power on the train!

New weapons and items, plus reworks of older ones

We've reworked most of the items from the previous version!

Early items now provide more bonuses when they're melted down. Mid-game items appear earlier and have more upgrades available.

And the new battle railcars let you use more items at the same time — so now your builds can be crazier than ever!
We've also added a ton of new liquids! Now you can boost your other items with them and create some truly powerful combinations

Other changes:

The difference between characters is now clearer in gameplay. Each of them has a unique personal aspect and their own starting shop. You can try 5 of them during the demo!
ENDLESS MODE!
Many UI and UX improvements
A brand-new tutorial has been added
Improved gamepad experience
The Hyena finally got its ability!
The Bear boss now has more complex behavior
And there are plenty more improvements waiting for you in the update!

Don't forget to download the demo from our Steam page! The playtest version is officially closed!

Ammossum

Anyone reached lvl 90 in the demo?

Im wondering if all the unlocks labeled for lvl 90 are actually in the demo. Very fun game btw. I really like it. Melee builds are so far the most op. Are there any plans on multiplayer coop?

Youth in Asia

Mar 1 @ 11:41am

General Discussions

game got potential + minor bugs?

game got potential... im using an ultrawide monitor the screen is cut off on the lower and upper part of the screen from time to time... also there is no music in the battle and in the station. keep up the good work