Single-player games like RollerCoaster Tycoon® 3: Platinum
Below are 17 single-player Steam games similar to RollerCoaster Tycoon® 3: Platinum, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like RollerCoaster Tycoon® 3: Platinum page.
Ranked picks
- 1

Planet Coaster
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Planet Coaster® - the future of coaster park simulation games has arrived! Surprise, delight and thrill incredible crowds as you build your coaster park empire - let your imagination run wild, and share your success with the world.
- 2

RollerCoaster Tycoon® 2: Triple Thrill Pack
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
This compilation includes the entire RollerCoaster Tycoon 2 series, with the original game as well as the Time Twister and Wacky Worlds expansions.
- 3

RollerCoaster Tycoon®: Deluxe
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
One of the best games from acclaimed Tycoon series, with well designed gameplay mechanics, appealing graphics, and really high re-playability value. There’s no limit to what you can create so design and build the most thrilling roller coaster the world has ever seen!
- 4

Tropico 4
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
The world is changing and Tropico is moving with the times - geographical powers rise and fall and the world market is dominated by new players with new demands and offers - and you, as El Presidente, face a whole new set of challenges.
- 5

Parkitect
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Parkitect is a business simulation game that charges you with the construction and management of theme parks! Bringing back the best of classic theme park games with many new features and content on top. Now supports online co-op with up to 8 players!
- 6

Two Point Campus
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Build the university of your dreams with Two Point Campus, the sim with a twist from the makers of Two Point Hospital. Build, hire staff and run an academic institution packed with wild courses.
- 7

Railroad Tycoon 3
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy with RollerCoaster Tycoon® 3: Platinum.
Railroad Tycoon 3 features 25 scenarios challenging players to recreate magnificent feats of railroading history from around the world. Players can lay track (including tunnels and overpasses), pick from over 40 locomotives from early steams to modern bullets, choose to haul over 35 types of cargo in a dynamic economy, and participate in...
- 8

Parkasaurus
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Parkasaurus is a dinosaur tycoon management simulation where you take care of your dinosaurs by constructing well-designed exhibits, researching specialized technologies, and maximizing profits to expand into the ultimate dinosaur theme park. Do you favor development for guests or your dinosaurs?
- 9

Planet Coaster 2
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Build and customise thrilling roller coasters and incredible water slides, manage the ultimate theme park experience, and share your epic creations. Are you ready to ride the wave?
- 10

Cities: Skylines
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.
- 11

Startopia
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Simulation with RollerCoaster Tycoon® 3: Platinum.
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
- 12

RollerCoaster Tycoon World™
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
RollerCoaster Tycoon World™ is the newest installment in the legendary RCT franchise. This next-generation theme park simulation and building game includes fan-favorite features along with incredible new advancements!
- 13

Transport Tycoon Deluxe
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Transport Tycoon Deluxe challenges you to become the ultimate Transport Tycoon by creating a transit empire. Build a network of trains, trucks, ships, planes, and more to grow your business, make money, and fend off rivals in this 1995 building sim from Chris Sawyer.
- 14

SimCity™ 4 Deluxe Edition
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
SimCity 4 Deluxe Edition includes the bestselling SimCity 4 and the all-new SimCity 4 Rush Hour Expansion Pack. Create the most massive region of cities ever, with a farming town, bedroom community, high-tech commercial center, and industrial backbone.
- 15

Game Dev Tycoon
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
In Game Dev Tycoon you replay the history of the gaming industry by starting your own video game development company in the 80s. Create best selling games. Research new technologies and invent new game types. Become the leader of the market and gain worldwide fans.
- 16

Banished
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
- 17

Thrillville®: Off the Rails™
Single-player alternative to RollerCoaster Tycoon® 3: Platinum — playable solo, no multiplayer required. Shares Strategy and Simulation with RollerCoaster Tycoon® 3: Platinum.
Thrillville™: Off the Rails lives up to its name with 20 death-defying rides! Players can build incredible coasters to leap from one track to another, launch through the air like cannonballs, blast through a burning rings of fire and more!