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Ecosystem isn't just a video game version of the laws of ecology with pre-made fish models. The simulation actually determines the creatures in the game: their bodies, how they swim, and how they think and behave. All the creatures in the trailer evolved on their own in the game; none were hand-edited! At Ecosystem's heart are evolving virtual lifeforms, who grow from synthetic DNA and live in a physically-simulated ocean. This synthetic DNA encodes everything about a creature, from skeletal structure to skin, from joint-types to mental processes. The genetic code of a creature can mutate, combine, be spliced with other species, and be directly modified by the player.

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May 2021 Newsletter

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Good lord, it’s May already. This newsletter will spotlight some more enemies coming for the fire ant update, with a particular focus on nature’s favoured form – the beetle. We also have some talk about new AI systems that we’ve been working on over the past few weeks, which will be used in the last of the campaign levels and eventually in freeplay too!

A classically red Formica ereptor queen from GlitchyGamer


We’ve still got quite a few critters to show off as we complete work on them, as well as a few we don’t want to spoil until we get very close to release time.

4TH TIER CREATURES – BEETLES

Ah, beetles. They are the most diverse group of insects, and arguably of all animals. They appear throughout human culture and history, in art and science – they exist just about everywhere that we do. Naturally, we need more beetles in Empires of the Undergrowth (but perhaps not so many as to cause an uprising…) so we have a few more joining our various tiger beetles and rove beetles in the upcoming fourth tier.

BOMBARDIER BEETLE

Bombardiers are a kind of well-armoured ground beetle. There are several species – this one is called Brachinus alternans. They get their name from the distinctive popping sound they make when threatened, and a closer look at the cause of this sound reveals a defensive system that can be deadly if you happen to be small and in its way.

A bombardier beetle faces off against fire ants


By mixing various chemicals and enzymes together in a special internal chamber, the beetle produces a violently exothermic reaction. The resultant mixture reaches close to the boiling point of water and is expelled by the rapid rise in pressure through an opening pointed at the beetle’s enemy.

Near-boiling liquid is explosively fired at the beetle’s enemies


If you’re a large vertebrate predator, this irritant is likely to be enough to put you off having a bombardier beetle for dinner. If you’re the size of an insect, however, the momentary boiling temperature of this liquid can easily be fatal. With the large area of effect this defensive spray has, it’d be wise to consider carefully whether the bombardier beetle is worth the inevitable casualties.

FALSE BOMBARDIER BEETLE

Mimicry is seen everywhere in the animal kingdom – creatures evolve to look like more dangerous ones, which gives them a deceptive advantage. The false bombardier beetle (Galerita bicolor) has evolved to look almost identical to its namesake, with some minor differences in colouration and morphology.

An impostor among us – a false bombardier beetle looking sus


This helps it avoid predation, but the false bombardier beetle is not without defences – it’s significantly larger than the true bombardier, has the same chitinous armour, and uses muscle action to spray a solution that is mainly made of a familiar substance – formic acid.

Size comparison to the false bombardier (left) and the true bombardier


Whilst not as deadly as the boiling liquid that is explosively fired by the true bombardier, formic acid will still do considerable damage to small creatures. It’s the same acid used by the ranged wood ants of the 2nd tier, and it’ll have a similar in-game consequences – an area of effect venom-type attack.

CHECKERED BEETLE

Cleridae – the checkered beetles – are distributed worldwide. This particular species is called Enoclerus rosmarus, and it’s a common sight in North America. They’re active hunters, and their preferred habitats are moist and sunny – qualities which will bring them into conflict with your fire ants.

A checkered beetle minding its own business


CHECKERED BEETLE LARVA

Checkered beetle larvae are also hunters, which in Empires of the Undergrowth will give them a similar role to rove beetle larvae in previous levels. They’re more vulnerable in this state, before they develop the chitinous armour they have as adults – but they’re still a force to be reckoned with.

Checkered beetle larva fights fire antsAI SCANNING


At the moment, the various AI colonies we have in the game are either heavily scripted (as in 2.2) or reliant on preset “points of interest” which they use to decide where to send their forces (3.1, freeplay). This makes them relatively robust but doesn’t allow them to make very complex decisions on a changing battlefield. Liam has been working on a scanning solution that will let colonies periodically scan the surface for interesting things, giving them the ability to make much more relevant choices.

Green squares represent areas of interest the AI scan has found


These will be used on all of the remaining campaign levels, all of which will feature AI colonies in some form. Eventually, we hope to transplant this feature to freeplay too – after fire ants, we are likely to do another big round of freeplay changes to bring that game mode closer to its release form.

Two colonies scan for points of interest on one another – light orange is the real scan, the maroon is a skipped scan where it decided to use saved data from a scan not so long ago in the same place


COMMUNITY WIKI

I’m sure many of you are familiar with the fan wikis that crop up; fandom.com is one of the more prominent ones. We’ve been slightly bemused by these and not entirely sure what to make of them – up until very recently, they were simply placeholders with very little in the way of articles. However, thanks to some dedicated community members, the Empires of the Undergrowth fandom.com wiki has had some big content additions over the past couple of months.

Particular thanks to thanhmk28 on our forums for putting a lot of time into the fandom wiki, and writing / formatting a majority of the articles so far. On it you’ll see creature stats and abilities (taken from a version of the spreadsheets that the game uses that we host on our website) that might well be useful for people looking for a more solid idea of what various creature’s strengths and weaknesses are until we implement a way to see these in the game.

The EotU Fandom Wiki


There’s even a dedicated spoiler page for the upcoming 4th tier update, which details all of the new stuff we’ve revealed in Screenshot Saturdays and these newsletters. This wiki is open to further contributors, so if you’d like to help thanhmk28 out with writing some new articles then by all means do! Our community continuously proves itself to be one of the best there is, and we couldn’t be more thankful for that.

For final release, there will be plenty of information accessible in-game with our own encyclopedia system. Even after that’s implemented, there will always be a place for community-driven wikis like these – they’re definitely an appropriate place to post guides, creative strategies and suchlike that won’t be in the game itself.

ECOSYSTEM UPDATES

A couple of months ago, Tom Johnson released his evolution simulation game Ecosystem into early access on Steam. Slug Disco are the publishers for it, and it’s been a joy to see how it’s been received and how community feedback is already shaping the direction Tom has decided to push things.

About once fortnightly, Tom has been sharing his progress and direction with us and we’ve been posting these as articles on the game’s Steam page. He’s now at a point where he can share the path he’s chosen for Ecosystem’s first major update, which will focus on graphs and analytical tools so the player can see plant, predator and prey relationships in much greater detail than before.

The graphs and analytical tools coming soon to Ecosystem


Ecosystem continues to progress rapidly as a project and if you have an interest in speculative evolutionary biology, serene aquatic environments, or even just producing abominations such as human-like fish then we heartily recommend giving Ecosystem a spin. It has a demo which shows a lot of the basic features, but the full thing is gearing up to be something altogether more special.

SCREENSHOT CENTRAL

Seriously, I feel like this section is just for me – every time I write a newsletter, I look forward to the bit where I have a browse through some recent screenshots posted to our Discord or uploaded to the community, and select three of my favourites. If you’d like to participate, by far the easiest way to get your screenshot to us these days is Discord. You can also email them directly to mike@slugdisco.com.

A pleasing formicarium from BrickyGraph631


Trapjaws under attack from a hidden jumping spider from Rarity


A close call in extra level Excavators from Crazlex9


Ecosystem Swims into Early Access on March 16, 2021!

Ecosystem Swims into Early Access on March 16, 2021!

News

Ecosystem is a god-game/simulation hybrid in which players design aspects of their underwater ecosystem - from the terrain composition and where the currents...

New demo for Ecosystem

New demo for Ecosystem

News

Large-scale changes to the demo that includes many new features. Grow and balance your unique aquatic ecosystem with greater depth, natural stability...

Ecosystem Newsletter

Ecosystem Newsletter

News

Welcome to the first Ecosystem newsletter! Evolving fish, creature editing and 3d pathfinding!

Add file RSS Files
Ecosystem Launch Demo

Ecosystem Launch Demo

Demo

This is the launch demo which is more in line with the early access release version of the game.

Ecosystem Demo 0.2

Ecosystem Demo 0.2

Demo

Large-scale changes to the demo that includes many new features - read changelist for full details!

EcosystemDemo

EcosystemDemo

Demo

Grow and modify an ecosystem, with simulated evolution by natural selection creating the lifeforms that inhabit it!

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Brach10
Brach10

Looks awesome, I hope it gets more attention.

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Latest tweets from @ecosystemgame

The Information Update is out now for Ecosystem! Providing not only population charts but also a phylogenetic tree… T.co

Jun 19 2021

The first major update for Ecosystem - the Information Update - is out now! Featuring far stronger analytical tools… T.co

Jun 16 2021

We're pleased to announce that the first major update for Ecosystem releases Wednesday 16th June, adding in lots of… T.co

Jun 12 2021

The discord community have been back at it again with their crazy creations. Here is a "Sea Monkey" from user Farme… T.co

Jun 5 2021

Hi #PitchYaGame! All the creatures in this trailer evolved on their own in the game; none were hand-edited! Ecosyst… T.co

Jun 1 2021

Steam AXTMoon shared this very serene yet mysterious screenshot recently that we love! #screenshotsaturdayT.co

May 29 2021

We have even more information to share about the charts coming to Ecosystem in the first major update! Read all abo… T.co

May 22 2021

Whilst we don't officially support land based creatures in Ecosystem yet, that hasn't stopped the wonderful communi… T.co

May 15 2021

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