What Steam locomotive choo-choo actually does (from store listing)
This is an app where you can play by running a steam locomotive (SL).
Tap the coal icon to load coal into the firebox.
As the firepower increases and boiler pressure rises, the SL's speed will increase.
On the other hand, if you don't add coal, the speed will drop and eventually stop.
Adjust the amount of coal carefully to control the speed and keep it running.
There are various other icons that appear, so try tapping them.
There are four types of special items. When used, you can ta…
This is an app where you can play by running a steam locomotive (SL).
Tap the coal icon to load coal into the firebox.
As the firepower increases and boiler pressure rises, the SL's speed will increase.
On the other hand, if you don't add coal, the speed will drop and eventually stop.
Adjust the amount of coal carefully to control the speed and keep it running.
There are various other icons that appear, so try tapping them.
There are four types of special items. When used, you can tap that button as much as you like for a certain time.
"Big Button": Tapping this icon will make the train or Shinkansen grow in two stages.
"Rail Crossing": Tapping this icon will let you freely place rail crossings as much as you like.
"Freight Train": Tapping this icon will make a freight train pass by.
"Combustion Accelerator": Tapping this greatly boosts firepower and super speeds up the SL.
・SL icon: Transforms into another SL.
・Rail crossing icon: Brings up a crossing.
・Tunnel icon: Displays a tunnel.
・Bridge icon: Displays a bridge.
・Scenery switch icon: Changes the route to a different landscape.
・Whistle icon: You can sound the whistle.
・Station icon: Automatically stops at a station.
・Special item button: Lets you use one special item per tap.
●Many working vehicles appear on the road in front. Tap to see what happens with police cars, ambulances, fire trucks, city buses, and more.
Enjoy finding out what happens
Comparable Android apps
The five apps in Simulation with the closest revenue to Steam locomotive choo-choo. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Steam locomotive choo-choo's tracker page for current rating, reviews and snapshot timeline.
Building something similar? Get a free AI audit with $-revenue forecasts for every recommendation.