Ordered by installs · Not tested by us
The 20 most-installed Human Fall Flat mods (2026)
Ordered by Steam Workshop subscriptions, which is a count from Valve rather than a judgement from us. We have not installed these, and say so rather than implying a verdict we have not earned. Everything here installs by clicking Subscribe.
The short version
- Most installed: Intermediate, 1,003,798 subscribers.
- 0 of 20 updated since the start of 2025, which matters more than subscriber count for whether a mod still works.
- All install through Steam. Subscribe on Workshop and the game picks it up on next launch. Nothing to unzip.
All 20, most installed first
MultiplayerTrainPower PlantWaterCastle8 PlayersDemolitionMansionAztecLevelsPlatformingUpdated 29 March 2019
Power PlantDark8 PlayersMountainDemolitionLevelsMultiplayerPlatformingUpdated 19 April 2019
CastleDark8 PlayersMansionAztecCarryLevelsMultiplayerPlatformingUpdated 7 April 2019
8 PlayersLevelsMultiplayerPuzzleUpdated 26 April 2019
MultiplayerPower PlantDark8 PlayersMountainDemolitionLevelsPuzzleUpdated 29 August 2019
8 PlayersLevelsMultiplayerPuzzleUpdated 29 April 2022
8 PlayersLevelsMultiplayerSandboxUpdated 12 May 2019
8 PlayersLevelsMultiplayerPlatformingUpdated 21 May 2019
TrainPower PlantWaterCastleDark8 PlayersMountainDemolitionMansionAztecCarryLevelsMultiplayerPlatformingUpdated 24 April 2019
MultiplayerPower PlantDark8 PlayersLevelsUpdated 5 June 2020
TrainPower PlantWaterCastleDark8 PlayersMountainDemolitionMansionAztecCarryLevelsMultiplayerPuzzleUpdated 19 October 2020
8 PlayersLevelsMultiplayerSandboxUpdated 27 April 2019
8 PlayersLevelsMultiplayerPuzzleUpdated 10 April 2019
MultiplayerWaterCastleDark8 PlayersMountainDemolitionMansionLevelsPlatformingUpdated 12 April 2019
Dark8 PlayersAztecLobbiesUpdated 21 April 2019
8 PlayersLevelsMultiplayerPuzzleUpdated 2 May 2019
CastleDark8 PlayersAztecLobbiesUpdated 22 April 2019
CastleDark8 PlayersMountainAztecCarryLevelsMultiplayerPlatformingUpdated 7 September 2021
TrainPower PlantWaterCastleDark8 PlayersMountainDemolitionMansionAztecCarryLevelsMultiplayerPlatformingUpdated 17 October 2020
Power PlantCastleDark8 PlayersMountainMansionAztecCarryLevelsMultiplayerPlatformingUpdated 18 April 2019
Subscriber counts and approval scores are Valve's, read on 5 September 2026 and not adjusted by us. Browse the full Workshop.
Common questions
What is the best Human Fall Flat mod?
By installs, Intermediate, with 1,003,798 Steam Workshop subscribers. That is the most-installed rather than the best: subscriber count measures how many people tried it, not whether they kept it. Workshop's own approval score is shown next to each one where Valve publishes it.
How do I install Human Fall Flat mods?
Everything on this page is a Steam Workshop item, so installing means clicking Subscribe on its Workshop page and letting Steam download it the next time you launch the game. There is nothing to unzip and no files to move. Unsubscribing removes it. Mods from outside Workshop work differently and are not covered here.
Are these Human Fall Flat mods safe?
They are hosted by Valve and distributed through Steam, which is a meaningfully lower risk than downloading files from elsewhere, but Valve does not audit mod code. We have not run any of them. Treat a mod with a large subscriber count and a recent update as better evidence than one with neither.
How is this list ordered?
By Steam Workshop subscriptions, highest first, read on 5 September 2026. That is a count from Valve, not a judgement from us. We have not ranked these by quality and do not have the basis to: nobody here has installed all 20.
Do you get paid for these?
No. Mod authors are not paid by us and cannot pay for a position here. The order is Valve’s subscriber count and nothing else.