Onset
Multiplayer sandbox for creating game modes through Lua scripting
Blue Mountains · Released Dec 13, 2019 · Early Access
ActionIndieMassively MultiplayerRPGSimulation
Early Access, no updates for over a year Third-party account required
- Reviews
- Mostly Positive
- 71% of 741
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 29, 2026
- Steam Deck
- Untested
- Last update on Steam
- 4 years ago
- Mar 9, 2022
What is Onset?
Onset is an Early Access, open-world sandbox with an empty default map. You use scripts to add vehicles, characters, objects, and game rules, import custom assets, and host your own server, or join modes made by other players.
For you if...
- +you enjoy coding and hosting your own multiplayer servers
Not for you if...
- −you want a ready-made game rather than a creation framework
What players say
71% of 741 reviews are positive
Players praise its tools for creating custom content. Recent reviews focus on a lack of active players and describe development as abandoned.
Screenshots and trailer
Onset system requirements
Minimum: GeForce GTX 660, 4 GB RAM, 20 GB of disk space.
As published by the developer.
Can my PC run Onset?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 7 64-bit
- Processor
- Intel Core i5-2300
- Graphics
- GeForce GTX 660 2GB
- Memory
- 4 GB RAM
- Storage
- 20 GB available space
- DirectX
- Version 11
- Notes
- SSD storage recommended
Recommended
- OS
- Windows 10 64-bit
- Processor
- Intel Core i5-6400
- Graphics
- GeForce GTX 960 4GB
- Memory
- 8 GB RAM
- Storage
- 25 GB available space
- DirectX
- Version 11
- Notes
- SSD storage recommended
Does Onset have co-op or multiplayer?
Yes: PvP online; MMO. There is no single-player mode.
Does Onset run on Steam Deck?
Untested Not yet tested by Valve on Steam Deck.
PC version details
- DRM
- None declared on Steam
- Third-party account
- None
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Family Sharing
- Languages
- Text only: English, French, German, Russian, Turkish.
Does Onset use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam
Tags
Recent updates
- Jan 7, 2022 · Onset 1.5.3 Patch 1
- Dec 14, 2021 · Winter Update 1.5.3
- Nov 19, 2021 · Update 1.5.2
- Jul 18, 2021 · Update 1.5.1
- Dec 20, 2020 · Winter Update
