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 $664.4K — a different platform, not this one.

Earthfall

When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall™ is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters. Utilize futuristic weaponry, upgrade deployable barricades with fire or electricity, control mounted turrets, and battle through 15 levels of story-driven co-operative play. •\tHardcore Co-op -- Drop in, drop out, and engage in classic four-player co-operative gunplay inspired by the greatest co-op games of our time. •\tDeath from Above -- Fight the horde, a procedurally generated alien menace that makes every gameplay session tense, exciting, fresh, and utterly lethal. •\tWell-Armed Allies -- Battle through an alien invasion using advanced weaponry, constructible defenses, and printable guns. When the world ends, the fight begins! Remote Play requires PS Vita system and sufficiently robust Wi-Fi connection. Online features require an accoun