Jef appears in the following leaderboards:

• Alice's Army Foil Nurse
• all-purpose cleaner
• black catseye marble
• BRICKO oyster
• carbon nanotube frame
• figurine of a charred seal
• figurine of a cold seal
• figurine of a cute baby seal
• figurine of a shadowy seal
• figurine of a sleek seal
• figurine of a stinking seal
• figurine of a wretched-looking seal
• figurine of an ancient seal
• figurine of an armored seal
• Iron Beta of Industry
• Nickel Gamma of Frugality
• pernicious cudgel
• pool of liquid metal
• stringy sinew
• toy hoverpad
• Volartta's bellbottoms