Main Assembly
Games like Main Assembly

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multi-players with secrets you find without a guideor

Games like Main Assembly

Sandbox robot-building sim with free-form construction, solo/co-op/PvP modes, praised as easy to learn but hard to master.

Robot Rumble 2
A free-to-play robot-building arena combat sim with single-player and PvP modes, where you construct bots from realistic parts and battle them in local or online matches.
2024-09-03
- Simulator

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Games like Main Assembly | IndieDex

Main Assembly
Games like Main Assembly

Find the Steam hidden gems

multi-players with secrets you find without a guideor

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Games like Main Assembly

Sandbox robot-building sim with free-form construction, solo/co-op/PvP modes, praised as easy to learn but hard to master.

Robot Rumble 2
A free-to-play robot-building arena combat sim with single-player and PvP modes, where you construct bots from realistic parts and battle them in local or online matches.
2024-09-03
- Simulator

Age Of Warbots

A sandbox battle simulator where you build shape-shifting warbots, program their AI, and either watch or join their fights, with a steep but rewarding bot-crafting learning curve.

2026-04-23

Action
Strategy
Simulator

RoboCo

A single-player casual sandbox sim about designing robots to aid hapless humans, featuring an intuitive editor and a wholesome tone.

2026-02-06

Strategy
Third person
Indie
Simulator
Sandbox

Nimbatus - Drone Creator

A single-player physics simulation game about building and testing drones in a virtual sandbox, with a fun, compact experience.

2020-04-30

Action
Indie
Simulator
Sandbox

Scribble Bots

A casual 2D physics party game where you draw your robot and battle friends online or on the same screen.

2026-01-08

Side view
Party

Dream Car Builder

A realistic car-building and racing sim playable solo or online PvP, fun but complex, with a median reviewer playtime of about 20 hours.

2018-09-21

Indie
Simulator
Racing

Trailmakers

An open-world vehicle-building sandbox for solo or multiplayer play where you engineer anything from cars to mechs and explore, race, or battle—praised for its creative freedom and solid performance.

2019-09-18

Action
Adventure
Indie
Simulator
Sandbox
Racing

Battle RC

A competitive robot combat sim where you build custom bots and fight in matches and tournaments, with reviewer playtime around 15 hours.

2024-03-28

Action
First person
Simulator

TerraTech

An open-world sandbox of block-based vehicle building, scavenging, combat, and multiplayer survival on a planet.

2018-08-10

Action
Adventure
Strategy
Third person
Indie
Simulator
Sandbox

LogicBots

A single-player robot-building puzzle sim about wiring bots to solve logic challenges; reviewers enjoy the tinkering but find the UI clunky.

2017-02-08

Puzzle
Strategy
Third person
Indie
Simulator
Sandbox

Mars First Logistics

A Mars-set physics sandbox about building rovers to haul awkward cargo solo or co-op, with satisfying driving physics that reviewers compare to KSP and Death Stranding.

2025-09-25

Simulator
Open world

Brick Rigs

A physics sandbox for building and destroying brick contraptions solo or with friends, with a deep build system and chaotic fun that keeps players coming back for 100+ hours.

2023-07-14

First person
Third person
Simulator
Sandbox

Robot Rumble 2