# Game Server Backend

**Source:** https://www.startuphub.ai/startups/game-server-backend
**Profile type:** Startup

> A unified multiplayer backend platform for game developers, offering essential services through a single API.

## About

Crux is a backend platform for game developers, offering a unified API for multiplayer game features like player authentication, persistent data, leaderboards, server registry, live configuration, economy, and matchmaking. It supports Unity, Roblox, Godot, and custom game servers, aiming to simplify development by providing a single integration point for these essential backend services. Crux also offers Crux Runtime, a capacity-gated closed alpha for Godot dedicated-server exports.

## Key facts

- **Slug:** game-server-backend
- **Website:** https://gsb.supercraft.host
- **Founded:** 2022-01-01
- **Operating status:** Active
- **Sectors / tags:** Gaming, Game Engine, Platform, API Platform, Cloud Infrastructure
- **Social:**
  - GitHub: https://github.com/numlu

## Pricing

| Plan | Price | Includes |
| --- | --- | --- |
| Dev | $0 / month | 10,000 MAU per month and 2M API calls, 10 req/s peak and 3 active servers, Unlimited projects with 2 environments each |
| Launch | $10 / month | 25,000 MAU per month and 25M API calls, 100 req/s peak and 100 active servers, 4 environments, plan covers one project |
| Scale | $79 / month | 500,000 MAU per month and 500M API calls, 1,000 req/s peak and 2,000 active servers, 8 environments, plan covers one project |
| Custom | Contact sales | Custom MAU and API limits, Custom project and environment limits, Custom storage and resource limits |

All plans include every BaaS feature. Prices in USD, billed monthly, cancel anytime.

Plans as published by Game Server Backend, checked September 2026.

## StartupHub.ai scores

- **Ahrefs DR:** 35/100
- **Agent Readiness:** D (51/100)
- **Data Trust:** 71/100

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