Games like Reactor Idle Tycoon
Reactor Idle Tycoon. These games share the most with it, and each one says why.

Subway IdleDormant
Also tycoon, optimization
Connect and upgrade stations on a city subway map, deciding where to spend limited cash as new lines open.
75% idle
Idle Airport Tycoon - PlanesDormant
Also tycoon, science
Build an airport, buy planes, and fund research into new transport tech while keeping passengers happy to grow profits.

Idle Area 51Dormant
Also tycoon, science
Salvage a crashed UFO, research alien tech at a secret desert base, and run cover-up campaigns to keep the public from noticing.

Idle Game 1Updated
Also incremental, optimization
A numbers-first incremental for experienced players built around random prestige upgrades that push you to plan different strategies each round.

Tap Tycoon-Country vs CountryDormant
Also incremental, tycoon
Tap to make money and invest in futuristic businesses, then compete with your fellow countrymen in weekly country versus country rankings.

Theft TycoonDormant
Also tycoon, incremental
Rise from a noodle delivery job to crime boss by growing a criminal network, then fund heists as your capital builds.

Idle Forces - Army TycoonDormant
Also tycoon, incremental
Build a military base and train raw recruits into specialists for peacekeeping missions.

Idle Flight ManagerUpdated
Also tycoon, optimization
Draw routes on a real world map and grow from one prop plane to a jumbo jet fleet, with flights earning offline.
75% idle
Supermarket Tycoon EmpireUpdated
Also tycoon, optimization
Grow a corner shop into a big supermarket by stocking shelves, setting prices and optimizing layout, with board game style twists and progress that continues offline.
75% idle
Idle Hotel Kingdom TycoonUpdated
Also tycoon, optimization
Build and run a hotel empire, designing rooms and adding guest activities while tuning operations for profit.

PC Tycoon 2
Also tycoon, science
Grow a small office into a computer giant by designing CPUs, GPUs and laptops, writing an OS, researching thousands of techs and outselling rivals.
79% steam
SCP Idle: SECURE. CONTAIN. PROGRESS. Demo
Also tycoon, science
Run an SCP facility: upgrade containment, unlock new SCPs, earn science from experiments and hire scientists before a breach.
4.3★ galaxy
Universal Reconstruction
Also science, incremental
Stranded in a void with one skyrmion, you gather and combine components to rebuild reality. A Profectus remake inspired by Distance Incremental.
3.9★ galaxy
Black Hole Shrinker
Also incremental, science
Shrink a black hole through Hawking radiation to collect quarks.
3.7★ galaxy
MFI Metro
Also incremental, tycoon
A short browser incremental about growing a train network into an empire.
3.7★ galaxy
The Upgrading Tree
Also incremental, optimization
A hard, strategy-heavy tree incremental spread across multiple universes, with puzzles in unlocking upgrades.
3.4★ galaxy
Space Travel Idle
Also science, optimization
Fly from Earth to distant moons and stars, researching engine tech, cutting ship weight and settling each world, with light card battles.
63% steam70% idle
Idle Cooking Emperor
Also tycoon, optimization
Train as a cook, win restaurants in duels, staff them with beaten rivals, and tune recipes and ingredient combos. Retire to raise a stronger pupil.
55% steam70% idle
Cell to Singularity
Also science
Evolve life from a single cell to a technological singularity, with a surprising amount of real science in the tooltips.
89% steam70% idle
AdVenture Capitalist
Also tycoon
Lemonade stand to oil empire, hire managers so you never click again, cash in angel investors.
88% steam80% idle
Idle DeepcoreUpdated
Also incremental
Mine blocks by hand, smelt ore into ingots, and grow into a network of automated mines running in parallel across claimed zones on a world map.
85% steam
Leaf it Alone
Also incremental
Clear a yard buried in leaves with a rake, a blower or bare hands, upgrading tools until the slow chore turns fast and the garden comes back to life.
95% steam
Kiwi Clicker - Juiced Up
Also optimization
Push kiwis through an upgradable delivery line, clear bottlenecks, and pick professions that favor clicking, potions or automation.
95% steam50% idle
Beltmatic
Also optimization
Mine numbers from the map and route them along belts through adders and multipliers to deliver target values to the hub.
95% steam