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jev_vampire_survivors

oldmoldycake/jev_vampire_survivors

Jev model plays Vampire Survivors on Linux with live dashboard.

Game & Simulation0.70Runner-up: Agent DecisionsFlight recorder
Automated README summary

Automatically summarized from the README on 29 Sept 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.

What it is

A BepInEx plugin and Python brain let TypeSafe's Jev model play Vampire Survivors on native Linux Steam, choosing character, stage, level-ups, and movement, with a live dashboard showing decisions.

How it uses Jev

The brain turns game state into plain-English questions (compass sectors, distance/HP buckets) and asks Jev for probabilities. Character and stage picks are sampled from the distribution; level-up and direction decisions take the top choice. Answers drive the plugin.

Primitives:choicescore

Technique worth stealing

Convert raw game state into language-model-friendly words (compass sectors, buckets) before asking.

Try it

cd brain && uv run --env-file ../.env jev-vs

View on GitHub

Start using Jev: API key and your first request →

Model judgments from README excerpts

Project signals use repository metadata, an existing summary and the first 700 README characters, not the full project. “Not found” means not detected in that material; it does not establish absence. These are the original judgments with recorded models and dates, not source audits or run results.

Models & evaluation dates

Inclusion gate
jev-1.13.0
Project signals
jev-1.13.0
Category
jev-1.13.0
Pattern tags
jev-1.13.0

Evidence

These signals use repository metadata, an existing summary and at most 700 cleaned README characters. ≥ 0.60 means reported in that excerpt; ≤ 0.40 means not found there. The middle band is inconclusive. None is a source-code audit or a test result. The runnable-tool question excludes research experiments; the recommendation question asks for a learning shortlist, not a quality verdict.

  • Jev is core to the projectFound in material0.90
  • Shows a System One patternFound in material0.88
  • Describes handling uncertaintynot found in the excerpt0.05
  • Reports measured numbersnot found in the excerpt0.12
  • Is a runnable toolFound in material0.91
  • Top-10 learning shortlist signalunclear0.47
  • Is a replica of the modelnot found in the excerpt0.04
  • Solves a common problem (0–2)score on a 0–2 scale0.00 / 2
  • About JevFound in material0.98
Signals
Jev is core to the project0.90Shows a System One pattern0.88Describes handling uncertainty0.05Reports measured numbers0.12Is a runnable tool0.91Top-10 learning shortlist signal0.47Is a replica of the model0.0400.51Solves a common problem (0–2)0.00 / 2012

no-judgment band (0.40–0.60)

Design patterns
Flight recorder0.94Fail open, fail closed0.69Viewfinder0.3500.51

no-judgment band (0.40–0.60)

The Jev model and date for each judgment stage are listed above. Card written by DeepSeek V4.1 Flash from the README on 29 Sept 2026.