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AI · alternatives · 2026

24 alternatives to Forever-Time Multi-player- Play with your loved ones after you're gone

Summer Friends Don't Stick Around is a "forever-time" multiplayer game created to immortalize players and give others a chance to play with them "in spirit" even after they are no longer with us. In the "Remember Me" mode, players can train a neural network to capture their play style. The output is a data model that can be shared with friends and family. Your playstyle is essentially encoded in the data model. In the "Remember Them" mode, players can load a data model file and play with them. I'm still learning more about neural networks and tweaking them to capture more of how any…

Forever-Time Multi-player is a game that uses neural networks to capture how individual players approach gameplay, creating a data model that encodes their playstyle. Friends and family can load these models and play… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Forever-Time Multi-player- Play with your loved ones after you're gone launched in 2023; newer entries below may have overtaken it.

  1. 1AF

    I've seen some interests in (simulation) video games here on HN so I thought I'd share a short version of our story. More than 6 years ago, me and my friend from university were playing around with an idea of making a game we always wanted to play. We worked on it on weekends but the progress was quite slow, especially due to so many dead ends and wasted effort. Eventually however, we solidified our direction and decided to take the risk to resign from our well paid SWE jobs and work on it full time. It took more than a year but yesterday we have finally released it on Steam:…

    2022 · its alternatives →

  2. 2

    A 60-second game about LLM permission fatigue. Claude Code needs your approval — but are you really reading the commands?

    May 2026 · llmgame.scalex.dev · its alternatives →

  3. 3

    Persistent memory for Claude, ChatGPT & Cursor. Free.

    May 2026 · github.com · its alternatives →

  4. 4

    No-registration multiplayer online memory game

    2016 · pairs.one · its alternatives →

  5. 5

    I got tired of Claude Code forgetting all my context every time I open a new session: set-up decisions, how I like my margins, decision history. etc. We built a shared memory layer you can drop in as a Claude Code Skill. It’s basically a tiny memory DB with recall that remembers your sessions. Not magic. Not AGI. Just state. Install in Claude Code: /plugin marketplace add https://github.com/mutable-state-inc/ensue-skill /plugin install ensue-memory # restart Claude Code What it does: (1) persists context between sessions (2) semantic & temportal search (not just…

    Dec 2025 · github.com · its alternatives →

  6. 6

    Like games such as Player Unknown

    2018 · surviv.io · its alternatives →

  7. 7

    Most RAG setups fail because they treat memory like a static filing cabinet. When every transient bug fix or abandoned rule is stored forever, the context window eventually chokes on noise, spiking token costs and degrading the agent's reasoning. This implementation experiments with a biological approach by using the Ebbinghaus forgetting curve to manage context as a living substrate. Memories are assigned a "strength" score where each recall reinforces the data and flattens its decay curve (spaced repetition), while unused data eventually hits a threshold and is pruned. To solve the…

    Apr 2026 · github.com · its alternatives →

  8. 8

    Hey everyone, I've been hacking on this idea with a friend as we've been using chatgpt and other AI tools in our day to day work and find ourselves copy/pasting to each other frequently. We often share chatgpt links with each other, but it's been frustrating that they are read-only and we can't pickup the conversation or both talk to an LLM with shared context. We built a shared chatroom to explore what it'd be like to talk with multiple LLMs and humans in the same chat, and so far it feels pretty cool, but we're curious if anyone else would find it useful as well. Right now you can: -…

    2025 · chord.chat · its alternatives →

  9. 9
    Mela▲60

    Play with friends and AI and let the crowd change the game

    Sep 2026 · melahop.com · its alternatives →

  10. 10

    Persistent, structured memory for AI Agents

    Jan 2026 · mnexium.com · its alternatives →

  11. 11

    An online card game testing reaction speed and pattern matching abilities. Play by yourself, or compete with your friends in real time!

    2020 · setwithfriends.com · its alternatives →

  12. 12AC

    Hello HN. This is a project me and some friends built at university in 2017. It was originally built in a rush, but we've added a few improvements over the years. It's a fun game to host at a demoparty and project on a big screen - We did that at Instanssi many times. The implementation is still rough, and suffers from the fast pace of the modern web - The frontend is likely very outdated, and the backend is built with Vapor 2 and Swift 3.1, both no longer supported. You can host this yourself, but it might be a bit of a pain to set up. The WebSocket protocol is fairly trivial to work out…

    2022 · pixel.vkoskiv.com · its alternatives →

  13. 13

    Lossless long-term memory for a personal AI: never summarize, keep every line, put a timestamp on everything. - aru-labs/lossless-memory

    Sep 2026 · github.com · its alternatives →

  14. 14YP

    It's an biological inspired decay system for our memories with extended support of temporal reasoning. Created a CLI command to infer knowledge from the context stored in memory system without any token utilization or llm call. It comes with a memory dashboard to monitor and manage your memories it can be extended as audit trail for agents as well !

    May 2026 · its alternatives →

  15. 15MC

    Hey all, just wanted to share a little game experiment. It's a rooms & keys kind of adventure with a lot of random deaths. It plays a Veo3-generated video in response to clicks, with Gemini used for coding. Prompting the videos was fun, but trying to vibe code everything was not. In the future I'll go back to using LLMs more sparingly for isolated functions, or at least try not to have it create anything that requires seeing the output to debug.

    2025 · bemmu.com · its alternatives →

  16. 16
  17. 17MW

    Link: http://xoxo.cm The idea here was to build a multiplayer game with the lowest possible barrier to entry to get started. That is, no registration, no game setup, as few steps as possible to actually start playing. There's not much substance here right now and there's still a few bugs that need to be hammered out. I'm also thinking of expanding on the idea with some other simple games down the road. Any feedback or suggestions on the concept in general would be much appreciated.

    2011 · xoxo.cm · its alternatives →

  18. 18

    The Ultimate Memory Game

    2024 · its alternatives →

  19. 19
    ParcAIfree tier, from $9.99/mo▲7

    The AI partner with memory — shared across your squad

    Jun 2026 · parcai.life · its alternatives →

  20. 20MJ
  21. 21

    Tired of AI coding tools that forget everything between sessions? Every time I open a new chat with Claude or fire up Copilot, I'm back to square one explaining my codebase structure. So I built something to fix this. It's called In Memoria. Its an MCP server that gives AI tools persistent memory. Instead of starting fresh every conversation, the AI remembers your coding patterns, architectural decisions, and all the context you've built up. The setup is dead simple: `npx in-memoria server` then connect your AI tool. No accounts, no data leaves your machine. Under the hood it's TypeScript +…

    2025 · github.com · its alternatives →

  22. 22

    ⚡ The open-source persistent cognitive memory layer for AI coding agents. Stop your Cursor, Claude & Copilot from having amnesia. - itskie/friday

    Sep 2026 · github.com · its alternatives →

  23. 23

    Hi everyone! First time posting. I built this mini memory game in an attempt to beat lazy memory syndrome. because when was the last time you remembered what you did the day before purely based on memory (or without being prompted) ? Super simple fun game for giving our brains a quick workout and actually reminding it on how to remember. If you had those old Nokia phones from the early 90s, the game will seem insanely familiar to you

    2025 · shraddhabuiltitwithai.com · its alternatives →

  24. 24

    Timed, team guessing game using words / imagination / memory

    2020 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →