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 $4.6M — a different platform, not this one.

Spelunky

Spelunky is a unique platformer with randomized levels that offer a challenging new experience each time you play. Journey deep underground and explore fantastic places filled with all manner of monsters, traps, and treasure. Go solo or bring up to three friends to join you in cooperative play or frantic deathmatch! Purchasing this content entitles you to both the PS3™, PS4™, and “PS Vita” versions! Additional hardware required for Interconnectivity.