Inside the Vault Treasure Category at usslotace
Vault Treasure is a slot category built around games where the core mechanic involves locked symbols, hidden multipliers, or tiered prize chambers that open during a feature round. Titles here pull from Pragmatic Play's treasure-chest volatility range and PG Soft's vault-door bonus structures. Grand Canyon Spins sits in this category alongside Gates of Olympus, both of which trigger expanding wilds inside a
bonus chamber when scatter combinations land. The RTP for each title is shown on the game's info screen where the provider exposes it — we don't publish figures ourselves. What you can count on: every Vault Treasure title in our lobby runs on a certified random-number engine.