Onset
Developed by Blue Mountains · Published by Blue Mountains
At a glance
Overview
An action, indie, massively multiplayer game by Blue Mountains, published by Blue Mountains — multi-player, mmo, pvp, online pvp. It is in Early Access.
Steam’s own one-line description: “Onset is an open world Lua scripting sandbox without predefined goals. Choose from hundreds of Lua functions from our Developer Wiki to create your own scripts and gamemodes. Onset is a perfect starting point for beginners interested in learning how to program.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Onset.
| Feature | Supported |
|---|---|
| Single-player | No |
| Multiplayer | Yes |
| Co-op | No |
| Online co-op | No |
| PvP | Yes |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7 64-bit
- Processor: Intel Core i5-2300
- Memory: 4 GB RAM
- Graphics: GeForce GTX 660 2GB
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 20 GB available space
- Additional Notes: SSD storage recommended
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5-6400
- Memory: 8 GB RAM
- Graphics: GeForce GTX 960 4GB
- DirectX: Version 11
- Network: Broadband Internet connection
- Storage: 25 GB available space
- Additional Notes: SSD storage recommended
Supported languages (5)
Onset FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Onset?
Steam classifies Onset as a Action, Indie, Massively Multiplayer, RPG, Simulation game, developed by Blue Mountains. Onset is an open world Lua scripting sandbox without predefined goals. Choose from hundreds of Lua functions from our Developer Wiki to create your own scripts and gamemodes. Onset is a perfect starting point for beginners interested in learning how to program.
How much does Onset cost?
As of June 2026, Steam lists Onset at $18.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Onset single-player or multiplayer?
Steam lists these modes for Onset: Multi-player, MMO, PvP, Online PvP. It’s built around multiplayer — Steam doesn’t list a dedicated single-player mode.
Is Onset on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Onset for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Onset out yet?
Yes — Steam lists a release date of Dec 13, 2019.
What platforms is Onset on?
Onset is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Onset single-player or multiplayer?
Steam lists these modes: Multi-player, MMO, PvP, Online PvP.
How much does Onset cost?
Steam lists it at $18.99.
Who made Onset?
Onset is developed by Blue Mountains and published by Blue Mountains.
Where to get Onset
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Blue Mountains.