Mech Builder 3D
Games like Mech Builder 3D

Games like Mech Builder 3D

A relaxed single-player mech model kit assembly and customization sandbox with 61 kits and a compact ~3.6-hour experience.

Mech Builder
A relaxing single-player puzzle game where you assemble gunpla-style mecha models across 70+ levels, with a satisfying build flow and a lengthy playtime based on reviewer hours.
2024-07-16
- Indie

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Games like Mech Builder 3D | IndieDex

Mech Builder 3D
Games like Mech Builder 3D

Games like Mech Builder 3D

A relaxed single-player mech model kit assembly and customization sandbox with 61 kits and a compact ~3.6-hour experience.

Mech Builder
A relaxing single-player puzzle game where you assemble gunpla-style mecha models across 70+ levels, with a satisfying build flow and a lengthy playtime based on reviewer hours.
2024-07-16
- Indie

Model Builder: Complete Edition

A single-player crafting sim about assembling and customizing realistic scale models, with a relaxed but detail-heavy loop and mixed reviews on controls and pacing.

2022-02-08

First person
Indie
Simulator
Non-fiction
Educational

Diorama Builder

A relaxing single-player simulation of assembling 3D dioramas piece by piece, with a collection you can admire and interact with; roughly 13-16 hours of play.

2024-06-21

Puzzle
Indie
Simulator

Coloring Voxels

A relaxing single-player voxel-art puzzle game where you build 3D dioramas by matching color-by-numbers patterns, offering a low-pressure, podcast-friendly experience.

2025-08-15

Indie

Kriegsfront Battlescaper - Diorama Editor

A free mecha diorama editor with building and photo tools, offering a brief casual creative experience.

2022-08-04

Science fiction
Strategy
Bird view / Isometric
Indie
Simulator

Tiny Glade

A cozy, goal-free single-player diorama builder for doodling castles and cottages in a meadow, with procedural detail and highly variable session lengths.

2024-09-23

Bird view / Isometric
Indie
Simulator
Sandbox

LEGO® Builder's Journey

A calm, roughly three-hour LEGO puzzle adventure about building, breaking rules, and telling a wordless story.

2021-06-22

Puzzle
Adventure
Bird view / Isometric
Indie
Kids

My Dream Setup

A relaxing single-player room-design simulation with a massive furniture catalog, though the placement tools can feel awkward.

2023-02-20

Bird view / Isometric
Indie
Simulator
Sandbox

Color Factory: Automation Meets Canvas

A relaxing factory-builder about refining colors and crafting canvases, with a short ~3-hour experience and generally positive reviews, though some players report technical bugs.

2025-09-13

Strategy
Bird view / Isometric
Indie
Simulator

Train Yard Builder

A casual single-player model-train sandbox with creative building tools and a structured career mode, offering a cozy if sometimes fiddly hobby experience.

2024-09-16

First person
Simulator
Sandbox

CUSTOM MECH WARS

A third-person mech shooter with the Omega Customization System for unique combat units, supporting single-player, multiplayer, and online co-op, with mixed reviews and a short reported playtime.

2023-12-14

Shooter
Action
Warfare
Science fiction
Third person

Space Mechanic Simulator

A laid-back space repair sim where you diagnose and fix machinery using tools and diagrams, with roughly 10 hours of playtime and some unfinished systems.

2023-08-11

Action
First person
Puzzle
Third person
Indie
Simulator
Business