Ideas and suggestions for Captain of Industry from the community

Welcome to the official suggestions board for Captain of industry. Vote on your favorite suggestions below, or add new ones! Discuss them on our Discord server.

Nitrogen use and methalox for advanced rockets with deep expansion of space requirements

Research (Methalox Fuel) Chiller (Nitrogen = Liquid nitrogen) Chemical Plant II (Liquid nitrogen + Methane = liquid Methane, Liquid Nitrogen + Oxygen = Liquid ...
Suggested by: Mitchell (30 Jun) Upvoted: 30 Jun Comments: 1
Under consideration Production recipes

About Asteroids and Space

For the current game's final technology, besides FBR, another asteroid mining is considered useless by many players in the community compared to a large number of ...
Suggested by: chen_tianian (25 Jun) Upvoted: 13 Jul Comments: 1

Iron Plate latter game usefulness

to whom it may concern, Respectfully request that Iron Plate remain in game and it is not removed. It could be used in the chemical plant as iron plate catalysts to ...
Suggested by: Magermh (22 Jun) Upvoted: 30 Jun Comments: 2

Antimatter would make late game fuel economies a lot more interesting

Instead of spamming thousands of orbital gas extractors, I think a late game fuel economy revolving around concentration manpower and energy into orbital stations to ...
Suggested by: MrSquid (16 May) Upvoted: 16 May Comments: 1

Radioactive Materials Handling Facility and Nuclear Flasks

Similar to the compactor/shredder pairing where certain loose articles can be compacted or disassembled to swap between flat and loose transport, this idea is for a ...
Suggested by: 0x6E657264 (16 May) Upvoted: 25 Jun Comments: 0

Uranium Fuel rod from FBR

Allow production of Uranium fuel rods for use in nuclear locomotives from FBR enrichment, which would remove the depleted uranium byproduct. I would like the ...
Suggested by: DRT_99 (04 May) Upvoted: 05 May Comments: 0

New Snack and Pharmaceutical Processing Facilities

I think new recipes should be added to better reflect reality and demand. Water + sugar + carbon dioxide = cola Sugar + water + fruit/wheat = Alcohol ...
Suggested by: N (29 Apr) Upvoted: 23 Jun Comments: 1
Under consideration Production recipes

Science Tier

Allow lab equipment to research the previous "tier" at an increased speed or lower amout required (~75%). If I skip a research and want to go back to it later, I ...
Suggested by: Otter (22 Apr) Upvoted: 22 Apr Comments: 0
Under consideration Production recipes

Light oil alternatives

It would be nice to have alternatives for light oil, such as lubricants to reduce maintenance costs
Suggested by: Tm (11 Apr) Upvoted: 23 Jun Comments: 0
Under consideration Production recipes

Replace "Canola"/Rapeseed with Sunflower

Canola/rapeseed is only really used for oil and animal feed in the real world, to my knowledge. Whereas sunflower can and is used for both of these and as a food in ...
Suggested by: L Wright (10 Apr) Upvoted: 13 Apr Comments: 1
Under consideration Production recipes

Underground pipes construction

A building that you assign a small digger and truck to that allows you to place pipes underground. or introduce a new version of the excavator that can lay pipes in ...
Suggested by: Stian (Discord Shepherd) (06 Apr) Upvoted: 25 Jun Comments: 2

Air Logistics & Distributed Industry (Aircraft, Fuel Systems, World Expansion)

This proposal introduces air logistics (rotorcraft and fixed-wing aircraft) as a late-game system designed to enable distributed industry across multiple locations ...
Suggested by: Doug (05 Apr) Upvoted: 23 Jun Comments: 0

Reheat low steam into high steam

It's annoying to extract energy from byproduct low steam (cannot connect to existing power shafts, supply fluctuations cause turbines to constantly start-stop, having ...
Suggested by: Anonymous (02 Apr) Upvoted: 03 Apr Comments: 1
Under consideration Production recipes

Respectfully request several possible changes for a future update with boilers.

To whom it may concern, I would like to add a new recipe to the solid fuel steam generator “Boiler”. Using a crusher grinding coal into coal dust with a ratio of ...
Suggested by: Magermh (02 Apr) Upvoted: 04 Jun Comments: 2

Ability to produce syngas from coal

This will help building a whole economy on coal. Syngas (mixture of Carbon monoxide and Hydrogen) can be converted to fuel, rubber, plastic, ...
Suggested by: Carolinian (31 Mar) Upvoted: 01 Apr Comments: 0
Under consideration Production recipes

Heat storages should be interconnectable

Heat storages should work, when directly connected to each other (just push through the steam/water).
Suggested by: Spike1985 (27 Mar) Upvoted: 01 Apr Comments: 0

Adding Cooking oil to (GAS) boiler

This would give some form of over flow for Canola that isn't just direct to pollution. This has standing in real life as used cooking oil has been successfully ...
Suggested by: Sparkyails (24 Mar) Upvoted: 23 Jun Comments: 1

New Resource ASPHALT for dragable Vehicle Roads !

From a gameplay perspective, it would make perfect sense: Bitumen + Crushed Slag = Asphalt. This would give the slag and heavy oil residues, which are often ...
Suggested by: Raffaele (24 Mar) Upvoted: 23 Jun Comments: 2

全新核电站与亚临界蒸汽和超临界蒸汽以及ods合金镍基合金还有全新替代铀矿的资源以及更多自然资源和精密加工机器

1.能源革新:新增新一代核电站,可产出亚临界蒸汽与超临界蒸汽,这是比超高压蒸汽更高阶的能源形式,能解锁更高效的动力与高端工业生产场景,让能源梯度更有层次感。 2.核燃料迭代:引入全新的替代型核燃料资源,逐步替代传统铀矿,丰富核能源的获取与处理路线,同时带来更安全、更高效的发电选择。 ...
Suggested by: yeyebuxis. (22 Mar) Upvoted: 09 Jul Comments: 1

Alternate household goods recipe

Alternate household goods recipe. We use plastic for a lot of things in current society, but relatively little in captain of industry. Mostly electronics and medical ...
Suggested by: Tim (20 Mar) Upvoted: 15 Apr Comments: 1
Under consideration Production recipes

more production opinions

new buildings for husbandry for sheeps and cow.cow product milk and beef,sheeps product wools wools and cuttons to fabrics.fabrics to clothes.naphtha also can ...
Suggested by: David Wou (20 Mar) Upvoted: 20 Mar Comments: 1

Crushed slag alternate to gravel.

Currently crushed slag can be used in place of gravel when making concrete slabs. It would be nice to use crushed slag as an alternative to gravel in other recipes ...
Suggested by: Jerad (19 Mar) Upvoted: 19 Apr Comments: 2

Power nuclear train by FBR.

When having a FBR, the current recipes do not allow to construct nuclear rods for the nuclear train. Some solutions: - Uranium (20%) -> Uranium rod recipe - ...
Suggested by: CVV (17 Mar) Upvoted: 22 Mar Comments: 1
Under consideration Production recipes

The real world is advancing so I thought I'd bring up some tech that could be added (maybe as DLC)

I don't know the rules about posting links so I'll just suggest google search terms instead. 1) Off-shore wind farms (maybe in tandem with 'blank' or unexploited ...
Suggested by: Declan (09 Mar) Upvoted: 16 Mar Comments: 1

More use of lenses

Use lenses in additional recipes for example for lab equipment or an additional recipe for Electronics. Optoelectronics are very important for the automation ...
Suggested by: Marco (08 Mar) Upvoted: 13 Mar Comments: 0

Semiconductor below Microchip

A process with the Microchip machine for less Advanced semiconductors (Like Power-semiconductors), for example with only 2 or 3 steps. They could be used to improve ...
Suggested by: Marco (08 Mar) Upvoted: 22 Mar Comments: 0
Under consideration Production recipes

Road surface tile like on the ramp

A darker surface tile that resembles the vehicle ramp. A dark asphalt look.
Suggested by: Javier (03 Mar) Upvoted: 18 Mar Comments: 1

Glass Tier II Recipe seems over-powered

When using the Tier I glass recipe 50% of the output is broken glass and 50% is undamaged glass. When using Tier II glass there is no broken glass in the output ...
Suggested by: Johnny7 (26 Feb) Upvoted: 04 Mar Comments: 1
Under consideration Production recipes

Large scale seawater desalination plant

I need a large seawater desalination plant that can be placed on the shore like a dock without the need to connect water pumps. It can also reserve seawater pipeline ...
Suggested by: jun (24 Feb) Upvoted: 10 Mar Comments: 0

Add rubber trees for natural rubber

I think having a farm crop called rubber tree that outputs raw rubber that is then processed with sulfur and heating would be a cool additional method of producing ...
Suggested by: Arammis (13 Feb) Upvoted: 26 Feb Comments: 1
Under consideration Production recipes

Rework the fluid system to allow some kind of mixed pipes

Somewhat related to https://ideas.captain-of-industry.com/suggestions/642975/exhaust-scrubber-shouldnt-choke-on-co2 As opposed to belts, where items can be ...
Suggested by: Gerkin (03 Feb) Upvoted: 04 Feb Comments: 1

Slag as a molten output of metal production.

The slag output of blast furnaces and arc furnaces should be as a molten product. This could be sent to a dedicated building that cools slag either gradually or ...
Suggested by: RobinhoodtheFletchling (24 Jan) Upvoted: 10 Mar Comments: 1

SLAG UTILIZATION

I’d like to suggest an additional agricultural use for slag in Captain of Industry. In real-world agriculture, certain types of industrial slag are widely used as ...
Suggested by: cristiano (22 Jan) Upvoted: 22 Mar Comments: 0

Graphite from CO2 should cost more energy

Coal can be turned into graphite by burning it in a boiler, capturing the exhaust, filtering it to CO2, and converting the CO2 into graphite. This indirect pathway is ...
Suggested by: R C (16 Jan) Upvoted: 09 May Comments: 0
Under consideration Production recipes

Modular ramps

Instead of the unsightly ramps, modular ramps would be preferable, as they would have fewer height limitations. In some cases, various hollow building blocks could ...
Suggested by: Frank (30 Dec, '25) Upvoted: 25 Jun Comments: 0

Possible new dynamics and possible fits or make better the existent dynamics.

Would be better add possibles cater-cornered in paths, conveyor belts, trails and diggins (half squares instead of total required). Also would be nice a new ...
Suggested by: G.S. (30 Dec, '25) Upvoted: 02 Jan Comments: 0

Recipe with Woodchips, Biomass, Animal Feed for Basic Distiller

You can burn it in a Boiler (Coal), but why not in a Basic Distiller?
Suggested by: poltime (26 Dec, '25) Upvoted: 04 Jan Comments: 1
Under consideration Production recipes

Add low pressure steam recipe for electric boiler

I admit that right now the only real use case would be for desalination, which can already use high steam, albeit giving a different ratio of water to brine. Mainly ...
Suggested by: Final-Fan (14 Dec, '25) Upvoted: 20 Dec, '25 Comments: 2
Under consideration Production recipes

Different coal

In real word it is three main type of coal. Frow wood is it charcoal, doesn,t have enough heat to smelt iron. Brown coal main use is for make heat for building or ...
Suggested by: Jacob (13 Dec, '25) Upvoted: 06 Feb Comments: 1

Add a Progressive Coal Upgrade Path (Crushed Coal & Coke)

Coal currently lacks a gradual fuel-quality upgrade path compared to other systems in COI. Oil-based fuels already follow a clear progression (Diesel → Gas → ...
Suggested by: G.Z. (13 Dec, '25) Upvoted: 18 Feb Comments: 0
Under consideration Production recipes

advanced coal power

Add an upgrade to the boilers to use crushed limestone and water mixed with coal to produce higher temp steam. Instead of feeding coal into the boiler you inject ...
Suggested by: Lozack the Gamer (07 Dec, '25) Upvoted: 02 Jan Comments: 2

Custom Difficulty option: Additional preparation required for Ship exploration

Add a new difficulty option that will make it so that the Ship needs additional supplies before exploring. These can include: Crew Food for Crew (Early Game: ...
Suggested by: 5h4d0w (02 Dec, '25) Upvoted: 31 Dec, '25 Comments: 1

Vehicle Depot 2.0 — Turning Downtime Into Gameplay

A proposal to expand the functionality, depth, and strategic value of Vehicle Depots. During gameplay, Vehicle Depots become idle for long periods. Once the ...
Suggested by: cbm (14 Nov, '25) Upvoted: 31 Dec, '25 Comments: 4

New Ressource: Lithium

Lithium is neccessary for energy storage and E-mobility or electronic devices and medicine technology.
Suggested by: Markus (11 Nov, '25) Upvoted: 25 Jun Comments: 2

Bitumen and asphalt

Add a stage to crude oil distillation to produce bitumen and first-stage oil. The first-stage oil is equivalent to the original crude oil, which can be distilled to ...
Suggested by: newtank (23 Oct, '25) Upvoted: 10 May Comments: 1

Iron Redox Flow Batteries

An electrochemical energy storage system with a data center-like building where iron chloride electrolyte flows through bidirectional pipes and numerous redox cell ...
Suggested by: Zac (11 Oct, '25) Upvoted: 24 Mar Comments: 2

Medium oil flaring

Add Medium Oil to the Flare recipe's list. Currently, all oil-based products can be sent to the flare except medium oil.
Suggested by: Phil (03 Oct, '25) Upvoted: 04 May Comments: 1
Under consideration Production recipes

Add missing recipes to handle Canola/Cooking Oil like other farm/food products

Canola (and cooking oil as the only further refinement of it) can't currently be sunk in the same way any other food/plant can, via Mixer (Compost/Animal Feed) or ...
Suggested by: Rahbek (12 Sep, '25) Upvoted: 02 Jul Comments: 2

Fishing Industry

It's not realistic that people are living on an island and there is no Fish!!!
Suggested by: Mohan Yadav (03 Sep, '25) Upvoted: 25 Jun Comments: 3