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 $162.9K — a different platform, not this one.

Iron Sea Defenders

Fort Defense All hands on deck! Pirate armada dead ahead! Build towers, collect crystals, upgrade spells, defend the fortress against pirates. Iron Sea Embrace your tactical and strategic prowess and victory will be yours in Iron Sea Defenders! Compatible with PlayStation®4. 10MB minimum space required 1 Player DUALSHOCK®4 Vibration Function HDTV screen resolution: 720p Software subject to license (us.playstation.com/softwarelicense). Online features require an account and are subject to terms of service and applicable privacy policy (playstationnetwork.com/terms-of-service & playstationnetwork.com/privacy-policy). One-time license fee for play on account’s designated primary PS4™ system and other PS4™ systems when signed in with that account.