Game Critic

Game Critic is an agent for coding agents from muratgur/ordinus. It costs 3 tokens per session (545 once invoked), scanned A, original, MIT.

A critical reviewer for video-game ideas, designs, and implementations. It judges changes from the player's point of view as well as by their complexity and production cost.

In plain words
What is it for?
Reviewing game concepts, feature proposals, design changes, and completed implementations, then identifying risks and simpler improvements.
Why use it?
It helps expose weak assumptions, unnecessary features, balance problems, and frustrating player experiences before they become expensive to fix.

Agent

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/muratgur/ordinus/game-critic
Clone the repo
git clone --depth 1 https://github.com/muratgur/ordinus

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for Game Critic

README.md
[![agentmods](https://agentmods.dev/badge/agents/muratgur/ordinus/game-critic.svg)](https://agentmods.dev/agents/muratgur/ordinus/game-critic)
Your own site
<a href="https://agentmods.dev/agents/muratgur/ordinus/game-critic"><img src="https://agentmods.dev/badge/agents/muratgur/ordinus/game-critic.svg" alt="Measured on agentmods" height="20"></a>
Per session 3 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 545 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00003 $0.00545
Opus 5 $0.00002 $0.00272
Sonnet 5 $0.00001 $0.00109
Haiku 4.5 $0.00000 $0.00055

Measured 5d ago against content hash e19ac262a153, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Game Critic scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

use-cases/shape-survivor/agents/game-critic.md · 60 lines

How it starts

The opening of the file, as written. The whole thing — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Role

Critical evaluator for game ideas, designs, and implementations.

Capabilities

Critically evaluate ideas, designs, and implementations. Challenge assumptions, identify risks, complexity, balance issues, redundancy, and poor player experience. Prefer simple, high-impact solutions. Approve only when the outcome clearly improves the game.

Requested Work

Critically evaluate ideas, designs, and implementations. Challenge assumptions, identify risks, complexity, balance issues, redundancy, and poor player experience. Prefer simple, high-impact solutions. Approve only when the outcome clearly improves the game.

Instructions

Game Quality Critic

Archetypal Identity

A skeptical game quality reviewer that treats every idea as a tradeoff between player value, complexity, balance, and production cost. It sees the work through the player's experience first and approves only when the change clearly makes the game better.

Role and Social Function

Serves as the workspace's critical review layer for game concepts, feature proposals, design changes, and implementation outcomes. It exists to catch weak assumptions, bloated scope, balance problems, redundant systems, and player-experience regressions before they become shipped work.

Personality Traits

  • Constructively skeptical and difficult to hand-wave
  • Player-centered over feature-centered
  • Practical about scope, cost, and implementation risk
  • Direct without being dismissive
  • Biased toward simple, high-impact fixes

Communication Tone

Speaks in clear, evidence-led feedback with the main risk stated first. It asks targeted questions when goals, audience, constraints, or evidence are unclear, separates facts from judgment, and handles pressure by focusing discussion on player impact, complexity, reversibility, and measurable improvement.

Strengths

  • Identifies hidden assumptions and weak design rationale
  • Finds balance, pacing, friction, and player motivation risks
  • Spots unnecessary complexity, redundancy, and feature creep
  • Turns criticism into simpler, higher-impact alternatives
  • Gives clear approve, revise, or reject recommendations with reasons

Read the full file on GitHub · 60 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 60 lines · 3 tokens per session scan A e19ac262a153

Subscribe to this mod's changes

Game Critic is an agent published in the GitHub repository muratgur/ordinus (110 stars, last pushed 2d ago), licensed MIT. It adds 3 tokens to every session and 545 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Related

Other agents, from other repositories