... the official Factorio forum topic for The Cave !
The Cave is a large underground exploration, survival and progression mod for Factorio 2.0.
Dig ... and special discoveries
Coins, Markets and exploration-based rewards
Train Interiors, Shelter Defense and multiple optional challenge modes ...
Search found 874 matches: underground train
Searched query: +underground +train
- Mon Aug 24, 2026 1:51 pm
- Forum: Releases
- Topic: Version 2.1.15
- Replies: 3
- Views: 4745
Version 2.1.15
... render all layers. (https://forums.factorio.com/135368)
Fixed that underground belt contents would get counted twice in deconstruction planner ... defaults to drawing on "floor" render layer.
Circuit connector for train stops no longer defaults to drawing on "train-stop-top" render layer ...
Fixed that underground belt contents would get counted twice in deconstruction planner ... defaults to drawing on "floor" render layer.
Circuit connector for train stops no longer defaults to drawing on "train-stop-top" render layer ...
- Sat Aug 22, 2026 10:31 pm
- Forum: Ideas and Suggestions
- Topic: [2.1] Stop "visualize entity fluid pipelines" hotkey from unnecessarily conflicting with other hotkeys
- Replies: 0
- Views: 156
[2.1] Stop "visualize entity fluid pipelines" hotkey from unnecessarily conflicting with other hotkeys
... pipelines" hotkey attempts to run when not just when used on pipes/underground pipes/storage tanks, but on any entity with a fluidbox. This includes ... defined for it by default, such as the "remove pole cables", "add train stop", and "place a tag in chat" functions. So it seems like an ...
- Fri Aug 14, 2026 7:04 am
- Forum: Ideas and Requests For Mods
- Topic: New Planet concept: Train Expeditions
- Replies: 2
- Views: 289
New Planet concept: Train Expeditions
I have an idea for a new planet focused on train expeditions as its core gameplay . The goal is to make players design specialized trains for ... too much damage.
Resource platforms could occasionally rise from underground at known locations. These platforms contain valuable resources, but ...
Resource platforms could occasionally rise from underground at known locations. These platforms contain valuable resources, but ...
- Wed Aug 05, 2026 1:16 pm
- Forum: Releases
- Topic: Version 2.1.13
- Replies: 41
- Views: 13510
Version 2.1.13
... com/135224)
Fixed inserter arrow would point at incorrect spot of underground belt when rendering a blueprint preview. (https://forums.factorio.com ... forums.factorio.com/134337)
Fixed building parametrised blueprint with train stops could fail to copy color of existing train stop. (https://forums ...
Fixed inserter arrow would point at incorrect spot of underground belt when rendering a blueprint preview. (https://forums.factorio.com ... forums.factorio.com/134337)
Fixed building parametrised blueprint with train stops could fail to copy color of existing train stop. (https://forums ...
- Mon Jul 20, 2026 6:32 pm
- Forum: Not a bug
- Topic: [2.0.77] Night vision equipment not included in quality bonus exception tooltip
- Replies: 2
- Views: 335
Re: [2.0.77] Night vision equipment not included in quality bonus exception tooltip
... Prototypes which do not have a quality property, including:
Belts, underground belts, splitters
Pipes, pipe-to-ground
Rail, rail ramp, rail support, train stop, rail signal
Car
Lamp, combinators, power switch, speaker, display panel
Stone brick, concrete, Landfill, Foundation, etc
Heat pipe ...
Belts, underground belts, splitters
Pipes, pipe-to-ground
Rail, rail ramp, rail support, train stop, rail signal
Car
Lamp, combinators, power switch, speaker, display panel
Stone brick, concrete, Landfill, Foundation, etc
Heat pipe ...
- Sat Jul 18, 2026 10:40 pm
- Forum: Railway Setups
- Topic: Slim 1-4 Train Unloader
- Replies: 2
- Views: 758
Re: Slim 1-4 Train Unloader
... I was not looking at 4 chest unloaders, just 6. My blueprint can be upgraded to output 4 Blue belts or 4 Turbo belts by matching the blue underground to the top tier and making the slow belts 1 tier lower (the blueprint book included the upgrade for Blue belts). Having said that your 6 chest ...
- Sat Jul 18, 2026 1:52 pm
- Forum: Railway Setups
- Topic: Slim 1-4 Train Unloader
- Replies: 2
- Views: 758
Re: Slim 1-4 Train Unloader
Train unloaders are among the earliest published builds for Factorio. Your design has the issue that it requires a blue underground belt, which becomes available only somewhere mid-game. Not early game as red belts. And when you get blue belts, you want blue belt output and no red belt output, and your ...
- Sat Jul 18, 2026 12:19 pm
- Forum: Railway Setups
- Topic: Slim 1-4 Train Unloader
- Replies: 2
- Views: 758
Slim 1-4 Train Unloader
This unloader uses 1 underground blue belt for extra length (could use a quality red belt) and one belt that is 1 tier lower to carry half a belt. You ... The combinator next to the large power pole acts as a number of trains limit by sending a signal for how many trains can enter the train ...
- Tue Jun 23, 2026 9:43 am
- Forum: Releases
- Topic: Version 2.1.7
- Replies: 304
- Views: 208171
Re: Version 2.1.7
... read/write.
Added LuaEntity::script_reservations_count read/write; train_reservations_count read.
Added LuaEntity::input_flow_limit, output_flow ... LuaEntity::neighbors read. Added LuaEntity::fluidbox_neighbours, underground_belt_neighbour, wall_neighbours, cliff_neighbours, neighbour ...
Added LuaEntity::script_reservations_count read/write; train_reservations_count read.
Added LuaEntity::input_flow_limit, output_flow ... LuaEntity::neighbors read. Added LuaEntity::fluidbox_neighbours, underground_belt_neighbour, wall_neighbours, cliff_neighbours, neighbour ...
- Sun Jun 14, 2026 12:34 pm
- Forum: General discussion
- Topic: Please, DO NOT remove space casino
- Replies: 271
- Views: 38944
The relationship between the rulemakers and the ruled
... generally have far more information and know much more about the constraints that governments are under, and are subject to considerations that don ... not the intended way of making promethium science, and stacking underground belts is just weird to begin with.
But using ablative platform ...
But using ablative platform ...
- Fri Jun 12, 2026 1:05 pm
- Forum: News
- Topic: Friday Facts #442 - Flip, Flow, and Fresh Paint
- Replies: 388
- Views: 65891
Re: Friday Facts #442 - Flip, Flow, and Fresh Paint
... increase capacity with quality so why not fluid tanks?
2. Way to color train stations automatically.
3. Fix heat pipe rounding up to 501 yet still not allowing steam production.
4. Underground pipes reach extended by one.
2. Way to color train stations automatically.
3. Fix heat pipe rounding up to 501 yet still not allowing steam production.
4. Underground pipes reach extended by one.
- Wed May 13, 2026 6:44 pm
- Forum: General discussion
- Topic: An Honest Review from a Modding Player — What Works, What Hurts, What Should Change
- Replies: 15
- Views: 8546
An Honest Review from a Modding Player — What Works, What Hurts, What Should Change
... storms), the alert feed screams constantly about expected outcomes, training the player to tune it out entirely — which means real emergencies ... posts and player-built spreadsheets.
Similar surprises exist for underground belts, certain crafting machines, and several "obvious-looking ...
Similar surprises exist for underground belts, certain crafting machines, and several "obvious-looking ...
- Thu Apr 09, 2026 9:44 am
- Forum: Ideas and Suggestions
- Topic: Rebalance Boiler & Heat Exchanger Fluid Volumes to Account for New Water-to-Steam Mechanics
- Replies: 57
- Views: 8068
Re: Rebalance Boiler & Heat Exchanger Fluid Volumes to Account for New Water-to-Steam Mechanics
... as the chain of reactor in the middle is too large to be bridged by underground pipes, pretty much all of them would have the steam split into at ... with your reasonning or use case. :ugeek:
I can post a setup where trains don't have time to cycle without the buffer depleting if the suggestion ...
I can post a setup where trains don't have time to cycle without the buffer depleting if the suggestion ...
- Mon Mar 23, 2026 6:27 pm
- Forum: Technical Help
- Topic: [2.0.76] Crash loading save (TrainManager::checkConsistency)
- Replies: 6
- Views: 1140
[2.0.76] Crash loading save (TrainManager::checkConsistency)
... Rate Calculator, Remove Biter Soil & Nuke Scorch Marks, Show Max Underground Distance, Stats GUI, Text Plates, Unrestricted Achievements, Unrestricted Achievements (Space Age), Visible Planets in Space
Problem:
All saves from this world after a certain point crash on load with:
TrainManager ...
Problem:
All saves from this world after a certain point crash on load with:
TrainManager ...
- Fri Jan 23, 2026 11:59 am
- Forum: Gameplay Help
- Topic: Uranium?
- Replies: 3
- Views: 1341
Re: Uranium?
If its very far away, consider a simple "double-headed" train on a single track with a station on either end. Two locomotives facing away from each ... If you are going with this option, you can get away using a long line of underground pipes to deliver sulfuric acid. Use Big Power Poles here as well.
- Tue Jan 13, 2026 2:54 pm
- Forum: Releases
- Topic: Version 2.0.73
- Replies: 7
- Views: 21772
Version 2.0.73
... https://forums.factorio.com/131495)
Fixed fluid boxes with underground pipe connection and non default flow direction could cause unrelated ... fluid product overload. (https://forums.factorio.com/131831)
Fixed that trains with a temporary station in their schedule showed in "Trains with this ...
Fixed fluid boxes with underground pipe connection and non default flow direction could cause unrelated ... fluid product overload. (https://forums.factorio.com/131831)
Fixed that trains with a temporary station in their schedule showed in "Trains with this ...
- Wed Dec 31, 2025 11:25 pm
- Forum: Ideas and Suggestions
- Topic: Ability to craft lower quality with higher quality
- Replies: 183
- Views: 95368
Re: Ability to craft lower quality with higher quality
... relabels) the quality of items that flow through it. Think like an underground belt that reduces quality.
If you relabel a quality part, and merge ... through any filter splitters, filter inserters, logistic bot systems, trains, space platforms, circuit conditions, AND assemblers/chemplants/EM ...
If you relabel a quality part, and merge ... through any filter splitters, filter inserters, logistic bot systems, trains, space platforms, circuit conditions, AND assemblers/chemplants/EM ...
- Sat Dec 20, 2025 2:04 am
- Forum: News
- Topic: Friday Facts #439 - Factorio and Space Age on Nintendo Switch 2™
- Replies: 72
- Views: 44017
Re: Friday Facts #439 - Factorio and Space Age on Nintendo Switch 2™
... should come in wider sizes so that we don't have to do clunky cursed train or car designs https://youtu.be/SmAZB_yPVbI?si=S5keNVV9ABtapAY2 ... and asteroids that are gas, acid, water, underwater, gravity, and underground based for the next DLC. You can add preliminary hooks for some of ...
- Mon Oct 27, 2025 6:40 pm
- Forum: Implemented mod requests
- Topic: A sibling API to play_sound: play_music
- Replies: 35
- Views: 8021
Re: A sibling API to play_sound: play_music
... elegant has been brewing in my mind for a while. I'll dump the long train of thoughts here in hopes that it'll entice more focused discussion ... to synchronize playback between multiple surfaces (re: surface and underground) can listen to all changes related to the "master" surface, and call ...