RISBF

RISBF is a brainfuck equivalent with only 4 characters. RISBF stands for Reduced Instruction Set Brain Fuck and was created by Michael Gianfreda, Aug. 14, 2013. A RISBF variant is tinyBF.

Hello World
++++++++++/+*+*+++++++*+*++++++++++*+*+++*+*+**-/-*+*++//*+*+//+++++ ++////+++//*+*++//*--*+++++++++++++++//*+//*+++//--////*+*+/ /*+//