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 $0 — a different platform, not this one.

Hayfever

Help Thomas the Allergic Mailman gather all his lost letters in this challenging and unique 2D platformer! In Hayfever, the player takes control of Thomas – a young postman with a strong work ethic. There is just one tiny little issue… Thomas suffers from terrible (and we mean TERRIBLE) allergies. Features: •  Quirky retro-inspired graphics •  Demanding, sneeze-driven mechanics •  Four worlds, spanning all four seasons •   140 levels, with 240 letters to collect (legend has it that collecting enough letters unlocks extra, extremely challenging levels…) •  Allergy-fueled gameplay ranging from pollen and smog to nuts! •  An A.M.A.Z.I.N.G soundtrack