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O hai. So, I've got the itch of peeking into Java scripts lately, and also noticed something weird in my current match (which promises to suck with the Silicoids around).

I have an Ultra Poor planet with maxed 55 population, 1 single factory, and a total of 33 net BC output (0.7 per worker, 0.6 per factory = 39.1 BC minus the usual empire expenses). It's the only planet I have sending BC to the reserve from the Ecology bar. It's only sending 5 BC, like applying that x0.33 modifier even for the Ecology bar, which in theory it shouldn't do according to the ColonyEcology.NextTurn function, line 220 comment and beyond.

Checking and unchecking the checkbox to divert excess colony spending to research displays a 33 BC difference, expecting around 16 BC, but the real amount is reduced to 5 BC (one third). Is the problem in line 226 because of applying the planetAdj modifier for Poor and Ultra Poor planets? Am I finally learning something of Java after all this time? I have a saved game if needed too.

Thanks for your time.

P. S: As a trivial request, it would be possible to see the amount of BC placed on each bar on the left side of the bar when rollovering on them or something? Like to know the amount of BC put into Ecology to know how many waste units I'm clearing. I do that now by putting into Research and counting the clicks (2% each, yeah), but it's a bit annoying. And the non-integer part of the population. Never know if I send 1 population surplus with transports. Well, nothing important here.

I decided to play one to scratch that itch and downloaded the latest version from u/brokenregistry Fusion -2026-05-25-mini. (I see new versions since then but I started a game a month ago but didn't have time to play it until tonight).

Discovered that my original/unmodified NeoHuman DNA profile doesn't match the species description (it's not even close). It is supposed to start with a rich 80 homeworld but starts with just a regular 80. It's supposed to have hulls with 66.6% of the hp but it has 100%. It is supposed to have 40% extra hull space but it has no extra space. Lastly, it's supposed to have a flat -20 to ground attack values but it doesn't. The construction science cost was correctly set to 80. What's up with this? I wonder if other species have issues. I figured I'd await a response before investigating further. I do see many new features since I last played a game. BrokenRegistry continues to give players more control over every aspect of the game.

After a long hiatus during which time I survived fighting non-humans in real life, I managed to get back to ROTP.

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This time, I downloaded the latest version.

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First, many many thanks to the development team, this game is getting better and better. I love it so much, in 2025, I had a vague plan for a proposal, a new chapter, written in C++ for performance reasons. "Revival of the Precursors", with some very interesting original ideas IMHO, and truly huge galaxy sizes.

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Sorry for digression.

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Galaxy settings: very poor planets, huge distances between stars, 9 planets in the home planet cluster, 3000+ star systems, research rate the slowest, colony only allowed if you have the actual ecology researched, no Terraforming allowed on hostile, hardest game level ("deadly").

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The problem: only two species were capable to exit their local cluster in time.

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How I did it: I was lucky to have one small artifacts planet nearby my local cluster. I used treasury reserves from other planets and kept allocating money to the artifacts planet boosting my research into propulsion and ecology. (*1)

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All the AIs researched the right things, so kudos for that!

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The most dangerous enemy, the Jack Trades having Rich home world(!), had maybe 200 systems when I met them. They tried interesting strategies, but it still felt like they have no real planning. They shouldn't have even declared war, since my stats were much higher already.

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Now it's a played game I think. I have 1000+ star systems, and I managed to research Atmospheric Terraforming.

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(*1) How to enable the AI and users to use this technique: allow for a new feature. Every planet, whether research center or shipyard, to have "automatic allocation from treasury", obviously limited by how much money there is in treasury. For example, I want to select a shipyard planet near the border to receive annually 300 BC from treasury. Can be random priority. This will allow AI to do the same thing.

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Thanks again for this amazing game! Let me know if I should upload screenshots or saved games.

EDIT: forgot to mention one more setting: very small available space on spaceships. Makes the game extremely interesting.

Since u/dweller_below 's recent post about guardian monsters, I've been playing with them. I've noticed that if you kill a guardian monster, you get the AI attitude bonus you get if you kill the space crystal or the space amoeba. It's no big deal, but you can use it as an exploit to kill the guardian monsters that the other races are afraid of and peg the enemy attitudes all into the green. Suddenly everyone is contacting you wanting an alliance.

Bio weapons are useful but you can't use them alone, you need fire weapons anyway against fleets or bases. But if you have strong conventional power it is too destructive at bombardment and you loose the meaning of bio weapons, to keep the factories and eradicate only the population.

Would be good a bio bombing option in the bombardment panel, to use only the bio weapons for bombing.

I played several games of Fusion/ROTP with all the Guardian Monsters. It was an interesting change. Now, I have some observations and suggestions.

I enabled all the Guardian Monsters to increase the PvE (Player vs Environment) aspects of the game. As a result all the really good worlds (rich, ultra-rich, ancient, remnants) had a guardian. The original guardians (jellyfish/cyaneidae, cuttlefish/sepiidae) can be beat in early game. The amoeba guardian can be beat in mid-game. The crystal guardian can be beat in late game. And, the pirate guardians are usually unbeatable.

I didn't experiment with the MOO1 amoeba guardian or the MOO1 crystal guardian. But I would REALLY like to be able to enable BOTH the original MOO1 guardians and the new guardians at the same time.

The good result was that all start positions are now more equal. Nobody has an unfair advantage due to starting next to rich or ancient systems.

The bad result is that the AI's will deplete themselves by attacking overpowered guardians. If you enable all the guardians AND "Retreating Restricted for AI", then you will probably never see a killer AI ship stack. Instead, they all get wiped out by the various Pirate Guardians.

For me, the best balance between early, mid, and late game Guardians came with the following difficulty settings: Guardians global level: 100%; Pirate guardian level: 20%; Amoeba guardian level: 60%; Crystal guardian level: 50%; Sepiidae & Cyaneidae guardian levels: 100%.

The Pirate Guardians are vastly overpowered by default. And, somehow every time, about 1/2 of the Guardians are Pirate. The default setting of the Pirate Guardian needs to be adjusted. Normal difficulty should be something like 20%.

However, if we really wanted to improve the Pirates, then we should make some additional changes:

1) Currently the Pirate Guardian difficulty setting seems to only change the number of pirates. Instead, it should also change the max technology level of the Pirates. That is, 50% difficulty should also limit the Pirates to 50% of the current tech level.

2) Currently each Pirate Guardian is a function of the max tech and ships in the entire game. Instead, each should be a function of the tech and ships of the closest empire. That is, each Pirate Guardian should vary as a function of the nearest inhabited system.

The 2nd change would make the Pirates much more immersive. It would also make for an fun game dynamic. If you can't defeat the Pirate Guardians that are near your home systems, MAYBE you can defeat the Pirate Guardians that are near a weak AI opponent.

The 2nd change also improves balance among the various opponents. Currently all the weaker opponents can never overcome a Pirate Guardian, because it's difficulty is controlled by the strongest opponent in the game.

Finally, the AI's should be adjusted. They should wait to attack weak Guardians (Sepiidae, Cyaneidae) until after they research Ion or Neutron Blasters. They should NOT attempt to attack a strong Guardian (Orion, Crystal, or Amoeba) until they have researched almost all technology. And they should probably never attack a Pirate Guardian.

Edit: I've just realised that there's a new version of the mod from literally yesterday, my one is from June 2025. I've try that out and see what's new, maybe that's something that has been altered.

I've been playing the latest fusion mod since it came out and I'm really enjoying my progression of ability in the game by gradually upping challenges, from less aggressive to more aggressive AI, less forgiving starts etc.

One thing in the game (bearing in mind I've tons of experience back in MOO1 from my teen days) that doesn't appear to work the way I expect is the repulsor beam. If the AI is using it from one of their ships, that ship stack will have a one space exclusion zone around that stack. It doesn't matter how many different stacks of ships you have, it doesn't matter how many spaces they can travel, they can't get next to the repulsor beam ship. However, if I use a repulsor beam it becomes a weapon that I can use once per battle turn on one ship, and ships are able to move next to me and fire in their turn before I use the repulsor in mine.

This seems kind of broken. The component doesn't seem to work the same for the AI vs the player, and once repulsor is researched you better hope you've got some kind of long range beam weapon or you're basically dead. I've had situations where that started to enter the field of battle on the side of opponents and I just couldn't get to a weapon tech that had a heavy option in time to meet that new generation of ships (or I did have a heavy weapon but it was too many techs ago to match the current tech).

I'd really appreciate someone confirming or denying that this is supposed to be how it works. Maybe I just need to bank some techs with long options more regularly in case of repulsor? Of course once high energy focus is researched it's no longer a problem, and missile heavy ships can definitely help bring down ships in those stacks, but huge repulsor ships can become impossible to defeat if they as well have auto repair.

Some help would be great :)

I've been noticing this long ago a few times during advanced turns in a game. Just like the Xenophobes, the reports claim that my harmless spies in hiding (really) are conducting sabotage operations. Be them Diplomatic, Ruthless, or any other kind of empire, anything goes. Sooner or later happens, and those false confessions take place. Is this intended somehow?

First - so glad you guys are still here! I took a break from RotP for a while, but I'm playing a game now. Still love it!

This behavior doesn't seem consistent with what I remember:

As you can see, I (teal player) have a fleet in orbit of Copernicus. Red is retreating, although they did control the system on the previous turn. I thought ship combat was resolved first, then transports...?

I looked to see if there was a more current version, but did not see one.

Thanks!

Got crash when the Space Crystal attacked my homeworld. See screenshot of crash message.

Playing Fusion 2026-06-01 on Linux Mint Debian Edition. openjdk 21.0.11 2026-04-21

Save game from just before the crash is here: https://drive.google.com/file/d/1tKhp2rVvKkbXNrZVg23riFK4iwu8er5e/view?usp=sharing

Love MOO1 favorite game
I knew about ROTP for awhile, do not like a lot of the changes. (Why does the guardian have 10k hp? You will literally never crack that in time for orion to matter. Am i crazy or does every race share a tech tree? etc.)
Like the UI improvements, the base AI was....ludicrously unchallenging, and boringly so. (they never seemed to research techs except the cheapest?) Dropped it.

Heard of fusion mod, gave it a chance. Saw the transport automatic which made xilni's AI sound fair.
The way the game went to war was just....brutally unfun. The AI didn't care about ships at all, entire wars for a huge chunk of the game were just...throwing transports at eachother.
Once one empire went to war at me every other empire i had met went "wait, your at war" so now i'm spending like 50 turns slowly eating through the darlocks while the alkari and mrrshan flip flop one of my planets every 2 turns.

I guess that makes "only research the cheapest techs" the correct strategy, perma ground war from day 3 makes anything besides your expansion tech impossible to get an edge with.

AS IT TURNS OUT, THE GOVERNOR DID NOT SAVE ME FROM ENDLESS TRANSPORT MICRO.

Hello, I play the fusion mod and would like to play hot-seat (pass and play) multiplayer. I think I've read online that this feature exists but I can't find how to turn it on, can anyone help me with that? Thanks.

Yes, it's an older version, but I checked the updates history and there doesn't seem to be anything about this.

Their tech only allows reaching that planet with Reserve Fuel Tanks, which the Sigma ship doesn't have.

They have no other planet nor allied planet to reach my planet without the Reserve Fuel Tanks.

New player here.

After finishing couple runs on vanilla ROTP, I installed the Fusion mod and ran 3 campaings in Hard difficulty with 1000 stars with 5 rivals Character AI, however in each of these runs as soon as I bagen I encountered MASSIVE enemies. They were already lightyears ahead as soon as turn 50. I mean the whole galaxy was taken by ai. Am I missing something here? Shouldnt they begin with a single system like me?

I found a very lucky map. 3 artifact planets in starting range and 2 more in close (with Psilon), also some rich planets, choke points, whatever is needed.

Ideal to try the hardest stuff, deadly difficulty, challenge mode, and other bloody settings.

https://drive.google.com/file/d/1F_XbeeK-vSzthMtxi0NFQ4-pm62hNfNm/view?usp=sharing

Close enough...

Is it just #ships by size? Does it include the stats of the ship (e.g. type of weapon)? Empire bonuses (e.g. Mrrshan + Computers)?

Auto resolve is good, save time of boring battles, but sometimes make bad things, unnecessary losses or flee from winable battles.

Then you can load back and replay manually but it is bad when you did more long battles and you should replay all of them because one bad auto result.

The solution could be if you can refuse the auto result and rather still fight it manually. Just a second "enter battle" button after auto resolve if you not accept the auto result.

Unable to open .exe files in Rotp-Fusion-main folder.

I have tried the following twice on my laptop and once on my desktop and still cannot get the gane running.

1. Download Zip giles from guthub.com/Xilmi/Rotp-Fusion.git

2. Extracted files to a folder on desktop

3. Tried to open (double click and right click) any of the two .exe files oggenc and cwepd, and nothing happens.

Even tri d to do in Administratir mode.

What am I missing? Downloaded the wrong folder? Any other .exe files i have missed?

The instructions just say download zip file and run .exe but no mention of the file name.

Any help appreciated, and more than happ to look stupid. Had no issues downloaded the original version.

I play with 3 opponents (AI roleplayer), everything standard, beat 125% (Extreme). Is it realistic that I'll ever beat anything higher? Extreme was won with Klackon, re-rolling for a great start (In this case, 2nd Planet was Artifacts that gave me Industrial Tech 8), re-playing turns if I erred, etc. Any chance I can win at a higher level? Has anyone beaten Deadly (145%)? I don't mind losing if I can win eventually, but if no-one's beaten Deadly, I'm unlikely to be the first.

I found out ROTP recently, and kind of fell in love after bashing moo1 tons as a kid. I am, however a quite casual player with not much time to devote to gaming or getting gud these days, and I don't find super hard challenges fun.

But as it stands, I consistently beat the Modnar AI's on normal in 1.04, but tried a game with *one* Ximli Human (thinking that humans might be the least strong) and got my ass handed to me in the early game. Maybe lucky (in that I found things out soon) that the Human also spawned right next to me so there was an intense early-game war where I even took one of his colonies, but he out-teched and out-economised me quite soon.

I looked at the latest Fusion Mod release, and I don't really feel like starting a game on it. The thing is, ROTP 1.04 looks and feels like a finished game including the manual while the Fusion Mod looks like a mess with way too many options for customization and no documentation to be found anywhere.

What I do see as appealing in the Fusion mod release are the selectable AI's including the "gimped" or "customized" Ximli AI's - and the fact that I keep seeing confusing Reddit posts by Ximli themselves about 1.04 Base and Modnar AI's having a bug about retreating too easily or some such, which would also be fixed in the Fusion "Rookie" AI.

So while I would like to stick to the vanilla game experience and avoid the customization overload of Fusion (not interested in the governor really either, I like to play smallish maps and even enjoy some of the micro tinkering involved), I'm interested in the AI options. Did anyone bake a version like that, ever? I'm not a coder so cannot do anything like that myself.

MOO1 was around 8 systems/player. E.g. Medium was 48 systems for player and five opponents: 48/(1+5)=8. The first option that comes up in ROTP is around 12.5 (Small; 50 systems for player and 3 opponents: 50/(1+3)=12.5. What ratio do you guys enjoy most? I know we can easily change it.

1) What / where is the latest MOD with the governor, and Xilmi AI's. I'm fine if there is more content, but there are a lot of versions going around and I'm not sure which to use.

2) What, if anything, is the human player still better at than the Xilmi AI / governor?

3) Are Klackon still considered the strongest species?