No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $5.7K — a different platform, not this one.

Cave Digger 2

PS Plus required for online play Supports up to 4 online players with PS Plus Online play optional PS VR2 and PS VR2 Sense controllers required Vibration function supported (PS VR2 headset) Vibration function and trigger effect supported (PS VR2 Sense controllers) VR play styles: sitting, standing, roomscale 1 players