Asymmetrical survival. Manage your sparkle or get shattered.
WASD / ↑↓←→ move (16 studs/s) · SHIFT sprint (30 studs/s, −5 stamina/s)
Walk to recover stamina (+15/s) · Survive the timer or reach the exit portal
Choose your survivor. Tougher gems have more HP but sparkle just the same.