AltiVerse: What If SIM, see different decisions affect an environment
Fork decisions into living simulations with 1,000 personalities. Watch alternate realities diverge and explore second-order effects. - LeoTheAIDev/Altiverse
AltiVerse: What If SIM, see different decisions affect an environment launched on June 15, 2026 with 11 votes, #1,225 of 22,647 launches that month and more than 90% of that year's launches.
In plain words
AltiVerse: What If SIM is a simulation tool that lets users explore how different decisions impact an environment. Designed for people interested in understanding cause-and-effect relationships in complex systems, it enables experimentation with various scenarios to see potential outcomes. The product is available on GitHub and launched in June 2026.
written from the facts on this page · September 2026
From the sources
AltiVerse lets you take a single decision and play it out as several alternate realities at once. Each one becomes a small living world full of people who react to the choice over time. You watch how the worlds slowly grow apart, follow any person to see how they're affected, and get a clear report at the end. It runs on your own machine, works offline, and starts with one line.
Take one choice. Play it forward as several alternate realities — each a small living world of people who move, stress out, break rules, burn out, form friendships and rivalries, and tell you how itfrom github.com
Does a similar job
all alternatives →- TTText to 3D simulation on a map (does history pretty well)2025 · mused.com · ▲72
Simulate anything on a map from a text prompt -- and conduct risk analysis against LiveUA map's global realtime data points from social media and news sources. I trained a GPT-2-size model on historical incident data used to predict things that will go wrong. As historian Benjamin Breen mentions, the leading language models are good historians, so the application will simulate historical events pretty well also. I include a Multi-Agent RL Urban Mobility model in progress displayed on the map as small white cubes representing traffic and pedestrians. Around SF, it uses real census data and…
A simulator for engineers transitioning from IC to managementJan 2026 · apmcommunication.com · ▲74Hi HN, I’m a former C++ dev turned Product Manager. I’ve noticed many engineers struggle with the "politics" side of things when they become Leads. To help with this, I’m building a text-based simulator. It is NOT an AI chatbot. It is a hand-crafted, branching narrative (logic tree) based on real experiences. I just launched the first scenario: "The Backchannel VP." The Setup: Your VP Engineering is bypassing you and giving tasks directly to your juniors, causing chaos. Your Goal: Stop the backchanneling without getting fired. It’s a short, specific puzzle. I’d love to know if you think the…



FuturaEngineJul 2026 · futuraengine.com · ▲2Hi, In this project we use AI to explore different scenarios and simulate the future in different parallel cases to help users make better decisions. I would highly appreciate your comments and feedbacks.
More ai this month
the category →



Paintings by AI models: programs run through a simulation of oil paint.
AI · 22d ago · stillwet.art

FastRouter.ai▲364Route requests to the right LLM for cost, latency & quality
AI · 24d ago · fastrouter.ai
Source: Show HN post ↗
Launched alongside, June 2026
the whole month →
Fundraisly▲1,537AI fundraising agent that finds investors and books meetings
AI · Jun 2026 · fundraisly.com
Homebrew 6.0.0▲1,481Today, I’m proud to announce Homebrew 6.0.0. The most significant changes since 5.1.0 are a new tap trust security mechanism, the new faster, smaller, default internal Homebrew JSON API, sandboxing on Linux, better defaults informed by our user survey, many brew bundle improvements, improved performance and initial support for macOS 27 (Golden Gate). Happy to discuss any questions here!
Dev tools · Jun 2026 · brew.sh

Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!
Life & fun · Jun 2026 · vorpus.github.io



Search 18 years of Hacker News and chart how any topic, tool, or person trended. Overlay terms to compare their rise and fall across 45M posts and comments.
Life & fun · Jun 2026 · hackernewstrends.com