Nimbatus is a game where you can build your own drones and deploy them to explore remote planets. On your journey you will encounter extraterrestrial wildlife and find pieces of alien technology you can use to upgrade your drones. The planets are randomly generated, fully destructible and virtually endless in size. The alien creatures you encounter get stronger the deeper you delve into the world. The drone customization is one of the main parts of the game. You are able to build a drone from scratch and integrate newly discovered parts or completely rebuild your drone before you deploy it to a new planet

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2 comments by michastettler on Sep 8th, 2014

The response and feedback I got from the gamedev community since I joined Twitter last month, really pushed my motivation to work on Nimbatus. Therefore I have much to show this week.

Procedural Enemies

One of the biggest changes I've made is the addition of procedurally generated enemies. Instead of designing each enemy by hand, I let them generate themselves procedurally out of different parts. This generation underlies some basic rules:

  • Each enemy-part has multiple docking points that are used to interconnect the parts
  • Some parts have weapon-mounts, which are equipped with a procedurally generated weapon of the appropriate level
  • The number of parts depends on the level of the enemy, the higher the level, the more parts it can use
  • Each enemy part can be destroyed individually
  • Bigger enemies move slower, but can withstand more damage

At the moment there are just a few parts I've created to test the algorithm, however it generates already some interesting opponents. Here are some screenshots showing different enemies I encountered on my testing journey.


Planet Selection Screen & Risk Level

I completely reworked the planet selection screen by adding a preview of the generated planet instead of the abstract cross section I had earlier.
In addition to this, I've also implemented something called "Risk Level". It controls the minimum level the enemies will have at the starting position. So if you just crafted your first drone it's not recommended to enter the atmosphere of a maximum risk planet, or the fun will be over in a few seconds ;)


Drone Workshop - Item Filters

There are now multiple item filters available to filter the growing list of items by type. I thought about adding more filters so you could sort the items by rarity or weight, however I think the type-filter is sufficient at the moment. The screenshot also gives you an overview over the different types of items besides the ones generated by the weapon builder.


Next Steps

Here is an incomplete list of the next planned features and improvements without any warranty :)

  • Procedurally generated Boss-fights - Every boss will select his weapons and special attacks from a wide selection and therefore play differently each time you meet.
  • Complete planetary destruction - As it is necessary for the game progression that your drones get destroyed at some point, there will be some unavoidable events like meteor showers or black holes, that will destroy a whole planet and all it's inhabitants.
  • Background Story / Mission - Why are you sending out drones to all planets? What are you trying to find?

Please follow me on Twitter if you like to see daily Work-In-Progress screenshots or give me some feedback about the game. (

Post comment Comments
Zjordo Aug 20 2014, 6:16am says:

This looks great love the glowing and the thick black lines they suprisingly fit well together and love building custom weapons !

+2 votes     reply to comment
michastettler Aug 21 2014, 3:21pm replied:


+2 votes     reply to comment
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Latest tweets from @micha_stettler

Trying to optimize or debug heavily multithreaded code is not a recommended evening activity afer a long day... #gamedev

9hours 40mins ago

Implementing new dynamic camera movement for bossfights #gamedev #indiedev #swissgames #madewithunity

Sep 15 2014, 2:48pm

@IG_Enthusiast Thanks. I saw it a couple weeks ago, looks fantastic! Not sure if I can compete with that ;)

Sep 15 2014, 1:44am

@IG_Enthusiast At the moment not, sorry! It heavily depends on how much time I'm able to free for gamedev. I'll keep you updated :)

Sep 15 2014, 1:39am

Drone 101: shoot everything, don't avoid traps and get close with big aliens #screenshotsaturday #indiedev #gamedev

Sep 13 2014, 6:56pm

@PolygonByte @unity3d Looks nice! I also like the background

Sep 13 2014, 3:10pm

@newdirgames @GameDevRobot Thanks!

Sep 10 2014, 6:55am

@DomdomHaas Might try to color the landscapes in nimbatus with this at runtime, just to see how it turns out :)

Sep 9 2014, 4:29pm

@theindiepolice @GameDevRobot At the moment not, but I will keep you updated ;)

Sep 9 2014, 3:59pm

@DomdomHaas Looks like a nice addition to my editor, thanks :)

Sep 9 2014, 3:58pm

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