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Tiny RMDX is a relaxing freeform architecture sandbox.
Released 23 Jun 2026
Tiny RMDX is a relaxing freeform architecture sandbox. Build walls, columns, stairs, bridges, towers, arches, pools, flora and more with simple tools. Experiment with materials, lighting, weather and cinematic environments, and create whatever you imagine.
Developed by Mergim Sahiti · Published by Mergim Sahiti





Retro Madness DX has about 0 positive and 1 negative player review out of a total 1. We'll add a detailed breakdown here when there are more reviews.
Tiny RMDX is a relaxing freeform architecture sandbox inspired by brutalist and modernist architecture.
Build walls as easily as drawing a line. Create columns, stairs, bridges, towers, arches, pools, plants, lights, and all kinds of strange architectural structures.
Combine different pieces to create simple buildings, massive concrete monuments, impossible structures, quiet courtyards, or anything else you can imagine.
Create your own architecture with simple tools:
Walls
Columns
Stairs
Bridges
Towers
Arches
Pools
Flora
Lights
Platforms and other architectural elements
Place and combine pieces freely to create your own structures without complicated modelling tools.
Change the look and mood of your creations with:
Different materials
Lighting
Time of day
Rain
Fog
Atmospheric effects
Cinematic camera angles
Turn a simple structure into a quiet morning scene, a dark concrete monument, or a rainy cinematic environment.
Tiny RMDX is an ongoing project.
The game will change and grow over time through updates. Some features may be improved, redesigned, replaced, or removed, while new tools, building pieces, materials, environments, and creative features can be added based on what makes the sandbox better and more fun to use.
The goal is to keep experimenting and improving the building experience.
There is no goal and no correct way to build.
Just create.
| Platforms | Windows |
|---|---|
| Age ratings |
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| Controller required | No |
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