Robot Rumble 2

Simulation· Realistic· Robots· Destruction

Released Sep 2024

Build your robot. Battle your robot. Robot Rumble 2 is the premier robot combat building simulator, where you create your robot from real-world inspired parts, then drive it in the arena to defeat other robots.

80% positive · 298 reviews

Not yet

Released, but still in active development

High confidence

Active Development

Not yet

Released, but still in active development

High confidence

Active Development

Where to get it

Free on Steam

Steam Free

Evaluation

Robot Rumble 2 launched on Steam on September 3, 2024 as a free-to-play robot combat simulator. Since launch, the developer has shipped a consistent stream of major feature updates: a Feature Update and Mac Release on September 17, 2024; a Feature Update on January 14, 2025; a King of the Hill game mode update on April 8, 2025; the Weightfix feature update pushed to the unstable beta channel on March 31, 2026; and on September 1, 2026 (today), that same Weightfix update was promoted to the stable channel, making it the current default build of the game. That is five major content milestones in roughly 24 months — a cadence of approximately every 4-5 months. Critically, the September 1, 2026 post explicitly states: "Work on our next Major Update is continuing in earnest and we cannot wait to share more in the future." The developer acknowledges that dev diary posts may slow down temporarily while doing background infrastructure work, but reaffirms that development is ongoing and that they will announce new content when ready. Supporting this, a January 2026 developer diary introduced a new team member (Danielle) focusing on UI/UX and codebase refactoring, and a March 2026 diary discussed plans for a new original soundtrack, new stock robot teams, a Unity engine upgrade, and collider system rewriting to enable native Linux and Apple Silicon support. An April 2026 diary from developer Prisma also described ongoing platform support improvements. These posts collectively paint a picture of a growing team with substantial work in progress. The developer has not announced any conclusion to content support, and the update today itself reaffirms that the next major update is underway.

Evidence

Weightfix update promoted to the stable channel as the new default build. Developer explicitly states work on the next major update is 'continuing in earnest' and promises future announcements.

news post · Sep 1, 2026 source development ongoing

high

Weightfix feature update shipped to the unstable beta channel, introducing a major overhaul to the weight simulation system, new shapes, a new arena, and more. Developer states work on other parts of the next major update is continuing.

news post · Mar 31, 2026 source content shipped

high

Media

Details

Developer

Nerd Island Studios, LLC

Publisher

Nerd Island Studios, LLC

Achievements

—

Platform

Windows, macOS

Controller

—

Steam Deck

Playable

Players

Single-player · Multiplayer · PvP · Local/Split Screen

Simulation Realistic Robots Destruction Physics Moddable Level Editor Programming Building Driving Vehicular Combat Sandbox 3D Combat Local Multiplayer

About this game

Robot Rumble 2 is a robot combat building simulator where you create your robot from real-world parts in the Bot Lab, then take it to the it arena to defeat other robots.

Select parts from a wide array of real life inspired components.
Balance electric motors, speed controllers and batteries with an in depth electronics simulation.
Set up strong flippers using pneumatic cylinders, valves and air tanks.
Create super fast spinners or high torque lifters with gearing using chains, belts and an array of gearboxes.
Construct your robot with basic parts and custom shapes, all fully simulated using a "welded/bolted connection strength" based damage model.
Use real world materials, simulated to behave as in real life, utilising real life data.
Decorate your robot with an array of different props, mechanical parts, decals or custom made shapes.
Import and export custom robots to download more or share your own creations
Program your AI to let your robot fight on its own using the miniscript AI editor, the options are endless!

Fight in real world weight classes from the robot combat world: from tiny 3lbs/1.5kg Beetleweights to 340lbs/154kg super heavyweight behemoths!
Fight in an array of different arena's, with hazards like hammers, rollers and pits.
Import custom arenas that can be downloaded from the Discord
Knock out your opponents in configurable matches: against AI or with up to four robots on a single screen!

The different fight modes, all up to four robots, are:

AI vs AI, with the ability to custom-code each robot's AI script using the built-in miniscript scripting language
Player vs AI
Player vs Player - Local multiplayer
Player vs Player - Online using Steam Remote Play Together, or 3rd party program Parsec

Robot Rumble 2 is more then just a game, it is a passion driven project with a community of enthusiastic roboteers.
Join the Discord to download custom robots, custom arenas, custom AI's and have a great time with people that share a passion for robot combat.
Also join weekly competitions and tournaments with sometimes over 100 unique robots!

Robot Rumble 2 is a passion project built by and for fans of robotic combat. It is still currently being developed by a dedicated and active team, however this does mean that there are still bugs and placeholder assets that are in use. The game is fully playable in it's current state and has tens of thousands of hours of playtesting from our dedicated community.

Last evaluated Sep 1, 2026