Keke in the Caves of Peril by Hempuli

Help Keke, the brave explorer, delve into the Caves of Peril to amass amazing treasure! Collect every diamond and head for the exit in each level to beat them. But be wary of structurally unsound mineshafts and other dangers!
Controls:Left/Right – MoveUp/Down – Climb ladderSpace – Open/Close inventoryDown arrow – Use item from inventoryR – Restart levelZ – Undo