Gerty is a top-down rogue-lite twin-stick shooter with fully destructible environment. Dive into the deep tunnels of a mining colony on your own, or in local co-op with up to 4 players. Purchase gear, level up your character and gain powerful perks to eliminate the alien horde.
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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“We have wanted to incorporate player feedback into our game from very early on in our development process. Based on the feedback that we have received during the 4 years of development, the game has always steered to a better direction.

With Steam Early Access, we want to expand our player base and receive a lot more feedback and ideas to make the game an even more fun experience for the fans of rogue-lite genre.”

Approximately how long will this game be in Early Access?

“Currently the game needs to be in early access for about 6 months to get all planned features ready, but depending on the amount of bugs and feedback we will receive, it might be as long as 12 months.”

How is the full version planned to differ from the Early Access version?

“We will be adding a second world to our game, that will take the average run time from 25 minutes closer to the sweet spot of just under one hour. Second world will feature around 20 additional monsters, that includes a mini-boss and a tough final boss.

There is also a secret level planned that will enable players to reach an alternate ending.

Based on suggestions and feedback we would like to add more activateable level structures, traps, more mini-bosses, perks and different level objectives.”

What is the current state of the Early Access version?

“At our early access launch, the game will have:

- One world with 6 stages to explore.
- One tough boss fight and one mini-boss.
- Over 30 different monsters.
- 40 upgradeable items.
- 4 playable characters with different skill sets and Perks.
- Many achievements and challenges.
- 4-player local co-op.
- Full controller support.
- Customizable controls

Exploring perk choices with all characters, unlocking all items and trying them out should take the player several hours. Mastering the game and beating it with harder difficulty settings will probably take even longer.”

Will the game be priced differently during and after Early Access?

“There are currently no plans to raise the price when the game leaves early access.”

How are you planning on involving the Community in your development process?

“We want to work with our fans and community to better many aspects of our game:

We want Gerty to have an intense, tough but fair gameplay. If you feel like something in the game is taking the fun out of the experience, we would like to know! We want to tackle balancing from both ends, where the content feels too easy or too punishing.

Suggestions and ideas:
We would like to hear ideas how the game can be improved. We also encourage community to tell if they especially like some content and don't want it changed. We currently have more ideas for almost all systems in the game, but letting us know what kind of content you would like to see more helps us prioritize what we add to the game sooner rather than later.

Stomping them bugs:
As a small development team, we don't have enough resources to test our game with many hardware configurations and operating system versions, and there will be some configurations with issues. Sometimes issues may rise from our own mistakes. We want all players to be able to enjoy the game and reporting bugs and fixing those bugs is a priority for us.

Testing the second world:
We still have quite a bit of work to do to make the second world fully playable. Once we are confident that players can find enjoyment in its content, we will be first adding it as a beta branch, to gather feedback and to make the second world even more fun to play. When the second world gets out of the beta branch, we will most likely still keep the game in early access for some time to fix related bugs and balance issues that will get discovered when there are more players playing.”
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Download Gerty Demo

Gerty Demo

Available: 2018


Recent updates View all (2)

August 23

Demo updated!

We have just released a small update to the demo. Here's the changes that you may immediately notice:

  • Fog of War visuals have been updated. Now the character's Field of View is more cone shaped and directed where the character is looking. This means you can see more clearly ahead, but things behind the character are more obscured than previously.

  • We have added shadows to characters and monsters. This makes them pop a little more from the background and gives a more 3D appearance overall.
As usual, there's also minor fixes and improvements included.

- Gerty Team
1 comments Read more

July 25

Linux & Mac Demo available!

Linux & Mac version of our free demo are now avaiable. Both have been tested to run, but OS specific bugs/crashes might still be present.

If you encounter any problems, head over to our Bugs & Problems discussion page and let us know.

- Gerty Team
0 comments Read more
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“If you’re up for a game that offers a real challenge, you’ll really dig this great sci-fi mining roguelike shooter.”
Alpha Beta Gamer

“It's actually pretty damn good”

About This Game

You are a member of an elite mercenary group. A mining colony of critical importance has become under attack by a hostile alien force. Armed to the teeth and equipped with your trusty laser-diggers, you must fight your way to the depths of the planet, find the source of the alien threat and eliminate it. Will you make it out alive?

Gerty is a top-down rogue-lite twin-stick shooter with fully destructible environment. Carve your own path through replayable procedurally generated levels and create tactically advantageous situations to eliminate the alien threat in intense, tough but fair, action packed gameplay. Mine Juice crystals to upgrade your gear, discover alien structures, and eliminate the source of the alien threat in singleplayer or local co-op mode.


  • Test your mettle in skill based combat and try to avoid clutches of permanent death. Adjust the level of challenge to your liking with 5 difficulty levels and advanced settings.
  • Choose between 4 different characters all with unique skills and style of play. Further customize your character during your run with perks and purchasable gear.
  • Explore collapsed Juice mines that are teeming with alien life and structures. Interact with abandoned infrastructure, alien runes and altars.
  • Unlock new gear and characters with each tightly packed run. Ramp up the difficulty and brave the dangers once again!

If you still aren't convinced, don't listen to me, go watch the trailer, download the demo and see for yourself!

System Requirements

Mac OS X
SteamOS + Linux
    • OS: Windows 7, Windows 10
    • Processor: 2.5 GHz+
    • Memory: 2 GB RAM
    • Graphics: Direct X9.0c Compatible Card
    • DirectX: Version 9.0c
    • Storage: 1 GB available space
    • Additional Notes: Microsoft Xbox 360 Controller (Other controllers might work to variable degree)
    • OS: Mac OS X 10.6+
    • Processor: 2.5 GHz+
    • Memory: 2 GB RAM
    • Graphics: 512 MB NVidia or ATI graphics card
    • Storage: 1 GB available space
    • Additional Notes: Microsoft Xbox 360 Controller (Other controllers might work to variable degree)
    • OS: Steam OS 2.0
    • Processor: 2.5 GHz+
    • Memory: 2 GB RAM
    • Graphics: 512 MB NVidia or ATI graphics card
    • Storage: 1 GB available space
    • Additional Notes: Microsoft Xbox 360 Controller (Other controllers might work to variable degree)

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