The Secret Cave
Squeeze a roaring theme park into the belly of the earth before the clock hits zero.
The Secret Cave is one of the built-in scenarios in RollerCoaster Tycoon (1999), placing the player in a dimly lit underground cavern where they must build and manage a theme park from scratch. Unlike the sun-drenched outdoor parks of other scenarios, this mission forces the player to work within the natural constraints of rocky walls, limited floor space, and a moody, enclosed atmosphere.
It serves as an early-to-mid game challenge that tests spatial planning and ride selection under pressure: the player must hit a target park rating before a ticking clock runs out, all while working with a modest starting budget and a footprint that the cave walls refuse to let expand. For many players it becomes a rite of passage in learning how to squeeze maximum fun out of a small, constrained plot.
- Type
- Built-in scenario, RollerCoaster Tycoon (1999)
- Setting
- Underground cave / cavern
- Objective
- Reach a target park rating before the time limit expires
- Key constraint
- Limited buildable area enclosed by natural rock walls
- Starting assets
- Small flat area, modest cash reserve, no pre-built rides
- Difficulty tier
- Early-to-mid campaign scenario
Lore & Background
In the world of RollerCoaster Tycoon, parks are not confined to open fields. The Secret Cave scenario imagines a theme park carved into the living rock of an underground cavern, where stalactites hang overhead and the only light comes from the glow of neon ride signage and the pale illumination of pathways. The cave walls act as permanent, immovable borders—there is no bulldozing, no expanding outward. Every square metre of flat floor is precious real estate.
The scenario's narrative framing is deliberately sparse: you are the park's new owner, handed the keys to this forgotten subterranean venue and told to make it thrive. The brief is straightforward—hit the rating target, do it fast, do it cheap. What makes the mission memorable is the tension between ambition and geometry. A looping roller coaster wants room to swoop and climb; the cave ceiling and jagged walls say no. The player must think in three dimensions, threading track through narrow corridors and stacking attractions vertically where horizontal space is simply unavailable.
Community lore around the scenario often centres on the satisfaction of a 'finished' cave park: every nook filled, every wall lined with signage, the air thick with the sound of spinning rides echoing off stone. It is the park that feels most like a secret, as if the outside world was never meant to find it.
In Their Own Story
The elevator doors shudder open and the air hits you first—cool, mineral, tasting of wet limestone and faintly of popcorn. You step onto a platform no wider than a tennis court, and the cave swallows the light behind you. Ahead, the cavern opens into a hollow the size of a cathedral, the ceiling lost in shadow twenty metres up, the walls rough and veined with quartz that catches the glow of a single bare bulb.
You unroll the blueprints on a folding table. Twelve months. A rating target that feels like a dare. A budget that makes you wince. You look up at the ceiling, down at the floor, left and right at the unyielding rock, and you start to laugh. There's no room for a grand entrance plaza. No room for a lazy river. There is, however, a perfectly straight slot between two stalagmites that could fit a vertical drop, and a ledge on the eastern wall that begs for a spinning coaster's first bank.
You pin the first track piece to the floor. The echo of the hammer rings for a full three seconds. Somewhere deep in the rock, water drips. You smile. You've got work to do.
Reader's Guide
The brief: achieve the target park rating (commonly cited around 700) within the scenario's time limit, starting from a small flat area in a cave with a modest cash reserve. The cave walls are permanent terrain—you cannot remove them or build beyond them.
Key decisions and walkthrough: Early on, resist the urge to build one mega-attraction. Space is the scarcest resource here. A balanced mix of two to three mid-intensity rides (a spinning coaster, a flat ride, a small drop) placed to fill the footprint will push ratings faster than a single expensive coaster that leaves half the cave empty. Use the vertical dimension: elevated track along the cave walls saves floor space. Place shops and queues in the narrow corridors between attractions to keep guests moving.
Budget management: early in the scenario, favour low-cost, high-fun rides. Reinvest early profits into a second attraction before the mid-game rating check. Avoid expensive maintenance-heavy coasters until you have the cash flow to support them. Keep the park clean and well-staffed; in a small cave, a single litter bin or empty ride can drag the rating down disproportionately.
Community tips: Players often recommend a layout of one looping or corkscrew coaster along the long axis of the cave, one spinning ride near the entrance, and one small drop or family coaster tucked into a side alcove. Signage and theming along the rock walls add guest happiness at minimal cost. Aim to hit the rating target two or three months before the deadline to absorb any late-game rating dips.
Did You Know?
- The cave walls in The Secret Cave are treated as permanent, immovable terrain—unlike other scenarios where you can bulldoze and reshape the landscape, here the geometry is fixed from the start.
- Because the buildable area is so constrained, The Secret Cave is often recommended by veteran players as a good practice scenario for learning vertical track design and tight spatial planning before tackling larger open-
- The enclosed, low-light aesthetic of the cave makes it one of the most visually distinct scenarios in RCT1, standing in sharp contrast to the sunlit meadows and desert settings of other missions.
- The scenario's tight budget and time pressure mean that a single expensive ride that underperforms can sink your rating for the rest of the game, making early ride selection a high-stakes decision.
More in Campaign Missions
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