Explore the mystery of the mysterious cube at the center of Boulder Island, dig out endless treasures, wake up the sleeping little boulder people, and lead them to create prosperity! Summary: IGDB
Mind Score
Fair to the player
Respect
90
Nourish
32
Stimulation
gentle
Unknown lengthStop anytime
What it exercises
Planning and strategy
- IGDB keyword “resource management”
Medium confidence · 28 Sept 2026 · Rules-based estimate from the Steam store, player reviews and PEGI/ESRB descriptors. Not a substitute for the official rating or your own judgement. Tap a label to see the evidence.