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Artificial Intelligence for Games

Topics relating to the development and use of game AI. Note that this is often not *real* artificial intelligence but rather what has been referred to for decades as "AI" in games. Usually, that is variations on some form of artificial *behavior*. This is NOT a place to discuss LLMs or generating games using AI.

14 Sep 2026

Change of subreddit ownership

Hey folks, If you're like me and you've been finding this subreddit a bit frustrating with its lack of moderation and no enforcement of its rules while we're overrun with LLM-based "look at my slop...

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7 Nov 2026

I replaced the runtime of my NPC system with behaviour trees, one engine and one scheduler. Why, what I built, and what I would change

I make CIVIL-AI-SYSTEM, a Unity package for NPCs with jobs, needs and routines. In 2024 I replaced its runtime. This post explains why, what I built, and what I would change. The problem The first...

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7 Nov 2026

For 5 glorious minutes, I thought I'd created a tactical genius

I was pushing deep into the AIs territory and finally going to take one of its towns. It was going to be a dealbreaker for me as I was coming at this AI as an underdog and decided to throw everything...

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7 Nov 2026

I rebuilt the game AI examples I made for my students in 2021, now as free, readable Godot 4 addons

Back in 2021 I made a set of game AI examples in Unity so my students could see the techniques working instead of just reading about them. This year I rebuilt the whole thing from scratch for Godot...

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4 Nov 2026

Trying to learn game AI development. Where should I start with GOAP and more intelligent squad AI?

Hey everyone! I'm a retired Army veteran, lifelong gamer, an indie filmmaker. I've always been a huge fan of the older Ghost Recon and SOCOM games, and one thing I've always felt could be improved...

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29 Oct 2026

I opened the commander seat of my 4v4 RTS×MOBA as a bot kit, looking for bot builders for a small AI league

Hi! I'm making a 4v4 RTS×MOBA at a very early stage. On each team one commander runs the economy, buildings and army, while three heroes fight in the lanes. I've been training AI commanders with...

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23 Oct 2026

How I Built the AI in Stellar Robinson

submitted by /u/Krea_Studio [link] [comments]

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9 Oct 2026

I made a SlayTheSpire2 AI that wins 86% of runs at A0

Full write-up here. I also released ~5k run logs here. This is the first milestone of my project, and currently it can only play Ironclad. I haven't yet measured the A10 win rate, but my next...

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9 Oct 2026

Small local models for optional NPC action scoring: negative results, and what should I try next?

I'm evaluating small local decision models as an optional scorer inside a game's existing AI: choose among actions allowed by the game, then let ordinary code check conditions and execute them. This...

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6 Oct 2026

I published a Hierarchical Task Network library for Rust

I've been doing a deep dive on game AI and all the different solutions out there. One that I always liked was HTN (Hierarchical Task Network). It's a nice compromise between designer control and...

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4 Oct 2026

Bots for Ace of Spades

Ello there, I've been playing a rather old game called Ace of Spades and recently its started to run out of players so I thought I'd take a crack at making something to help fill out what is meant to...

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23 Sep 2026

RPG games built around the reinforcement learning of ML agents

Are there any RPG games built around the reinforcement learning of ML agents? Something along the lines of the player training a group of wayward heroes using praise and scold commands? Maybe there's...

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15 Sep 2026

Finally, new ownership, I feel like I can share my StarCraft Broodwar (~90%+, guess what the other ~10% is) trigger-based bot from 4 years ago!

submitted by /u/phratry_deicide [link] [comments]

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12 Sep 2026

When an NPC discovers it was wrong, what should it believe next?

A guard leaves a key in a drawer. While he's away, I move it. Remembering the last known location gets him to the drawer. The part I'm stuck on is what happens when he opens it and finds nothing. He...

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3 Sep 2026

Do any shipped games actually keep a probability distribution over player position, or is it always last-known-position plus awareness levels?

I am building a small NPC that maintains a full occupancy grid over where the player is. Noisy perception events update it and a diffusion step spreads mass along walkable cells between observations...

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29 Aug 2026

I want to specialize in Game AI, but not game development. Is that reasonable?

Hey everyone, I’m a CS student, never done game dev but I’m interested in going deep into Game AI - NPC intelligence, behavior, planning, dynamic enemies, emergent gameplay, DDA, RL, multi-agent...

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29 Aug 2026

Crpg Combat Ai. Stuck Between Two Ideas

Yo! I've posted this question on the reddit of the engine of my choice but figured I'd ask it here as well in the event that someone can help me think about this situation (I lurk here occasionally...

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30 Jul 2026

I built a game AI companion with nearly 7,000 lines of behavioral data without using an LLM

I'm developing a first-person RPG in GameMaker and wanted my AI companion to feel like an actual character rather than a traditional NPC. Instead of using an LLM, I built a custom game AI system...

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13 Jul 2026

Favorite talks on game ai?

Like from gdc or otherwise. submitted by /u/Delvisreddit [link] [comments]

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12 Jul 2026

AI system of combats like Sekiro

I am really curious what are the structure of an Ai system that can produce Sekiro-like combat. I started with behavior trees, but the behavior trees are not particularly good at evaluating a lot of...

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5 Jul 2026

Empire Earth AOC, BWAPI like engine.

Hey everyone! I'm new to game modding, and I wanted to try something for this game since it's been one of my favorites ever since I was a child. I'm a big fan of game AI, and my goal is to create an...

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25 Jun 2026

Can natural language input work without generative dialogue? Here's my approach.

Just announced Arcadia Unbound, a story-driven tactical JRPG. One of its conversation systems, AURA, uses a local language model to interpret player speech while selecting from developer-authored...

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24 Jun 2026

Utility ai, high level behaviors that orchestrate actions vs utility ai doing all actions?

High level behaviors like rangedCombat is recommended in bobby Ai talk but doesn't that basically move most of the decision making to behavior instead of utility ai decider. Like rangedCombat vs...

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18 Jun 2026

How do you validate and tune Utility AI systems?

I’m building a simulation game and recently started moving from a mostly weight-based decision system toward Utility AI. The biggest challenge isn’t implementing the scoring functions. The biggest...

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28 May 2026

Would it be fun to watch an AI learn a game if it was built for spectators?

I’m prototyping a small game where the main player is an AI agent, not a human. The loop would be: it attempts a level, fails visibly, changes strategy. On top of this I’m working on a second model...

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ZOO item 4

Artificial Intelligence for Games

Change of subreddit ownership

I replaced the runtime of my NPC system with behaviour trees, one engine and one scheduler. Why, what I built, and what I would change

For 5 glorious minutes, I thought I'd created a tactical genius

I rebuilt the game AI examples I made for my students in 2021, now as free, readable Godot 4 addons

Trying to learn game AI development. Where should I start with GOAP and more intelligent squad AI?

I opened the commander seat of my 4v4 RTS×MOBA as a bot kit, looking for bot builders for a small AI league

How I Built the AI in Stellar Robinson

I made a SlayTheSpire2 AI that wins 86% of runs at A0

Small local models for optional NPC action scoring: negative results, and what should I try next?

I published a Hierarchical Task Network library for Rust

Bots for Ace of Spades

RPG games built around the reinforcement learning of ML agents

Finally, new ownership, I feel like I can share my StarCraft Broodwar (~90%+, guess what the other ~10% is) trigger-based bot from 4 years ago!

When an NPC discovers it was wrong, what should it believe next?

Do any shipped games actually keep a probability distribution over player position, or is it always last-known-position plus awareness levels?

I want to specialize in Game AI, but not game development. Is that reasonable?

Crpg Combat Ai. Stuck Between Two Ideas

I built a game AI companion with nearly 7,000 lines of behavioral data without using an LLM

Favorite talks on game ai?

AI system of combats like Sekiro

Empire Earth AOC, BWAPI like engine.

Can natural language input work without generative dialogue? Here's my approach.

Utility ai, high level behaviors that orchestrate actions vs utility ai doing all actions?

How do you validate and tune Utility AI systems?

Would it be fun to watch an AI learn a game if it was built for spectators?

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