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 $114 — a different platform, not this one.

Radiation Caterpillar

An alien caterpillar whose biology requires radiation for growth and survival. Luckily, your home planet is literally saturated with this dangerous yet vital resource. Your goal is to navigate challenging levels, collect radioactive elements, and grow, but be careful: the larger you get, the harder it is to maneuver!