The credits and ending are found after beating the boss; the player falls down and the creators names are listed:
DOWNWELL a game by OJIRO FUMOTO sound design by JOONAS TURNER music & sound design by EIRIK SUHRKE additional art & japanese font by NEMK DEVOLVER DIGITAL FORK PARKER GRAEME STRUTHERS RICK STULTS HARRY MILLER MIKE WILSON NIGEL LOWRIE NICK TODD JOHN BARTKIW JUSTIN BURNAM KERT GARTNER E-STUDIO special thanks KAN KOHEI KIMURA YOICHI OKAMOTO MASUHIRO OHIRA
You can skip the credits by pressing the "shoot" button. Then the player meets the bottom of the well and sees a cat picks it up and uses it gun boots to propel upward to the surface. Then the game shows the stats and ends the game.