This is a post to introduce and share an AI that I worked on completely on my own. It has been in development since the definitive edition was released. It's a very oldstyle script, very weak.
Some pics:
General Features:
- Can play on most standard land maps, but almost exclusively tested on Arabia, Black Forest, Runestones and Lombardia. Can "theoretically" play water maps, but actually only team islands and continental (and maps like continental)
- Can definitely not play maps with a nomadic start or where you have to use transport ships with villagers
- Has a very small strategy variance, which in 1 vs 1 consists of no more than two different strategies, but in teamgames the variance is greater
- Can play all civilizations released so far
- Can play standard victory and conquest victory
- Can play diplomacy (with it's own little idea of what diplomacy means, this script is used by multiple of my AIs and was created by CheeseOnToast)
- No DUC
- Is up-to-date and will be kept that way, probably, hopefully
- Uses most "normal" AI behaviour
- Is generally pretty chill - but unlike the current DE-version petersen, the AI does not go for a FC
- Is not a competitive AI, only written for fun and to have my own version of a petersen-esque AI

- Unique player names (all female because petersen mostly uses male names and I don't like that)
Why did I create this AI?
Chill AI was created because I love the standard aoe2 AI, petersen (AI (CD version)). I love how chill it usually is, how it mixes the units, that it builds walls and a lot of other stuff. So, here is my version of it, with my own little tweaks and preferences implemented.
I also wanted an AI that is fun to play against and brings back the feeling of a campaign AI.
How strong is the AI?
Again, this is not really a competitive AI. It can beat the AI (CD version) aka petersen, but can't beat any other standard AI integrated into the game. Did not test much at all against other scripter's AIs. I am happy with it though.
Current problems:
- Economy needs adjustments
- Wonderplay sucks
- Suicides wall builders
Updates:
January, 30th, 2022:
-Fixed some technologies being researched too late sometimes (double-bit-axe, horse-collar, man-arms)
-Fixed wall perimeters
-Can now train battle elephants
-Some civs now focus a little more on training their unique units (for conquest victory condition only atm)
-Some small eco adjustments
-Adjusted how often the AI asks for resources if in need of them
March, 4th, 2022:
-Fixed lots of escrow-related bugs
-Fixed lots of other small mistakes
-Removed the spam when having multiple Chill AIs in a match
-Adjusted the welcome messages the AI sends
March, 8th, 2022:
-Fixed some more escrow-related bugs
-Added special resign stuff
-Adjusted escrow-percentages
-Can now train emergency infantry if attacked
March, 25th, 2022:
- Forgot what I've changed
April, 29th, 2022:
- Updated for the new DLC
- Adjusted escrow amounts
- Fixed some weird behaviour with technologies
- Will train a wider variety of units more easily
- Will train battering rams / armored elephants earlier
- Wallbuilding will no longer take priority over a castle
- Made the AI more chill
May, 3rd, 2022:
- Added new names for the new civs
- Some more fixed and adjustments
May, 6th, 2022:
- Added tower avoidance (test version)
June, 7th, 2022:
- Improved eco a tiny bit
- Certain civs focus a bit more on unique units now
- Fixed a debug taunt
- Can now train steppe lancers
June, 10th, 2022:
- Adjusted escrow for non-standard victory
- Slightly adjusted dark-age economy and feudal-age build order
- Will now sometimes build forward defenses
- Can now build kreposts
- Max amount of farms raised
- Can now train Condottieros
- Updated the resign code
- Increased town-size
- Can now train the Thirisadai
- Can now train demolition ships
- Fixed the AI not being able to train fire ships
- Caravanserai won't be built with escrow anymore
June, 13th, 2022:
- Adjusted water stuff (dock building, training of fishing-ships, ...)
October, 30th, 2022:
- Adjusted some escrow stuff since some techs have had their costs changed
November, 6th, 2022:
- Hugely improved the unit compositions of the AI (units that aren't good for a specific civ will not be trained)
- Can now train Genitours
- "Trash"-units will now be trained more often (depending on civ)
- Lots of other small fixes
November, 16th, 2022:
- Smaller fixes
December, 1st, 2022:
- Lots of adjustments to escrowing
- AI is more likely to build a wonder on standard victory now
- Adjustment to the unit variety
April, 12th, 2023:
- Updated for the latest patch
May, 16th, 2023:
- Updated for the latest patch
- Included the Romans (aoe2 civ)
July, 2nd, 2023:
- Some small fixes to techs
- Enabled land nomad play (no water-nomad or normal nomad yet)
July, 15th, 2023:
- Changed attack method from attack groups to attack-now
November, 4th, 2023:
- Updated for the latest patch
- Added support for the two new civs
Thank you all for your interest!
Kind regards,
Kimberly Azula