Sims 4 More Floors Mod Work < Premium ◉ >

The mod most people install when searching for "more floors" is actually Better BuildBuy (BBB) by TwistedMexi. While BBB is famous for organizing the catalog and unlocking hidden objects, it includes a debug feature called "Increase Floor Level Range."

What BBB actually does:

The catch: The room system still breaks. On floor 5, the game may not recognize the space as an interior room. Ceilings might vanish. Weather (rain/snow) might clip through the roof of floor 5. Sims will refuse to walk up stairs to floor 5 because the navmesh (pathfinding map) doesn't exist that high.

Make More Than 3 Floors in The Sims 4 — How to Fix the “More Floors” Mod Not Working

Unlike previous iterations in the franchise, The Sims 4 exposes many core variables to Python scripts. The vertical height limit is not hardcoded into the rendering engine but is defined as a constant within the simulation's build mode logic. sims 4 more floors mod work

Modders utilized Python decompilers to locate the specific variable governing floor count. In the game's source code (specifically within the build_buy module), a variable typically named MAX_FLOORS or similar dictates the cutoff point for the "Add Level" interaction.

For a player to implement a "More Floors" mod, the workflow typically involves:

BBB allows higher visual placement, but you must manually tell the game to generate navmesh for higher floors.

Warning: This edit is fragile. Every major game patch (like the one accompanying "Lovestruck" or "Project Rene" updates) will overwrite this file. You will have to re-edit it. The mod most people install when searching for

If you want more functional floors without breaking your save file, the community consensus is to build down, not up.

The Sims 4 actually allows 4 basement levels (-1, -2, -3, -4) plus the ground floor plus 4 upper floors. That is 9 functional floors total (4 up + Ground + 4 down).

How to get 5 upper floors using the basement trick:

This illusion is how creators like SimsLuxy build those massive 10-story apartment videos without corrupting their game. The catch: The room system still breaks

The More Floors mod (often by creator TwistedMexi or similar) removes the default EA limit of 4 floors above ground and 4 basement levels in The Sims 4. With this mod, you can build up to 16+ floors above ground and up to 16 basement levels.

Note: The exact number varies by mod version. Some allow up to 25 floors total.

If you are determined to build a 10-story skyscraper, here is the only workflow that currently functions in 2024/2025 (post-For Rent expansion).