GTA V mod unlocks all interiors for freerome exploration
Enable All Interiors opens GTA V’s locked spaces for story-mode roaming, with the best payoff coming from the Paleto Hotel, the gas station, and other usable set-piece interiors.

The Paleto Hotel and a gas station are among the locked GTA V locations that Enable All Interiors opens up in story mode.
Where it earns its keep
These are the interiors that feel like real locations, not just hidden rooms. They make this kind of mod worthwhile for free-roam exploration, screenshot work, and machinima scenes. A roadside hotel or service stop gives you an easy, readable setting for a chase, a meetup, or a photo shoot without needing to build a whole custom map around it.
GTA V already carries a lot of environmental detail, and interior-access mods let you actually use more of it instead of staring at the same sealed entrances. For players making custom story-mode content, the difference is immediate: a locked facade becomes a playable set, and a small detour across Los Santos can turn into a location scout.
What changes in single-player sandbox play
Between missions, Enable All Interiors expands the amount of the existing map that feels genuinely explorable. It does not add new story content or rewrite the city, but it gives you more of Los Santos to wander, test other mods in, and stage scenes where you want the camera to move through a real interior instead of stopping at a doorway.

If your playstyle leans toward wandering around Los Santos, recording clips, or taking screenshots, the unlocked spaces give you more places to work without requiring a full overhaul pack. If you mostly chase mission markers, the benefit is smaller, because the mod’s strength is the sandbox itself.
Stability and compatibility matter more than the headline feature
Because this is a script-based mod, install hygiene matters. The mod is intended for the GTA V scripts folder, so the first thing to verify is that your script loader is in place and your mod setup is organized. Interior unlockers tend to overlap with map changes, environment edits, and other interior mods, so conflicts are the real risk, not the feature list.
A 2025 YouTube installation guide for GTA V mods includes ScriptHookV, Simple Trainer for GTA V, and OpenRPF. If you are already running other script-heavy changes, treat this like any other compatibility test: add one piece at a time, keep backups, and make sure no other mod is trying to control the same doors, blips, or markers.
One Reddit build titled Enable All Interiors 43.0 claimed to be a full replacement for other interior unlock mods and mentioned disabling individual blips and markers. Competing versions can overlap and cause problems.

How this niche has developed
Interior unlocking is not a new obsession in the GTA scene. GTAForums hosted an Open All Interiors topic on May 9, 2015, and a 2021 YouTube guide was already walking players through how to install Open All Interiors for story mode exploration. Later, GTA5-Mods listed InteriorsV 2.0 with version entries on 2023-11-26, 2023-12-15, 2023-12-18, 2024-01-04, 2024-01-05, and 2024-01-19.
The ecosystem has successors and replacements. The GitHub project InteriorsV-ScriptHookV is an open-source replacement for Open All Interiors for single-player use that requires ScriptHookV. Related releases and mirror pages have appeared across GTA5-Mods, ModLand, Steam Community, and LibertyCity.
Open All Interiors v5.1 promised pretty much every interior in the game files, fully functional doors, and pedestrians inside many of them.
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