RollerCoaster Tycoon is a 1999 PC (DOS / Windows) game from Chris Sawyer, catalogued here for 4 defining game mechanics.
PC (DOS / Windows)1999Complexity 78/1002D IsometricPopular
RollerCoaster Tycoon is a 1999 construction and management simulation video game developed by Chris Sawyer and published by Hasbro Interactive. It was released for Windows and was later ported to the Xbox by Frontier Developments in 2003. (via Wikipedia)
The game mechanics of RollerCoaster Tycoon
Economy Buy SellResourcePlayer earns and spends currency at merchants; price and value decisions are meaningful.
Upgrade PurchasingResourcePlayer spends accumulated resources or currency on permanent stat or ability improvements chosen from a menu.
Spatial ArrangementPuzzleSolution requires placing, rotating, or organizing tiles or objects in physical space according to a rule set.
Simulation TickSimulationWorld state advances on a regular clock independent of player input; player decisions are responses to the advancing simulation rather than…
Each mechanic links to how to build it in Godot, with the retro games that share it.
Study the source
Open-source rewrite (GPL-3.0). OpenRCT2 is a full rewrite; needs the original RCT2 assets (or the free OpenGraphics/OpenSFX sets). https://github.com/OpenRCT2/OpenRCT2