Modular self-reconfigurable robotic systems are an active field of research leading to versatile, robust, and compact robotic systems. One approach utilizes self-relocatable cuboid robots as building blocks to construct lattice-type modular robotic systems which can be used to construct structures in humanly inaccessible locations through remote or autonomous control. Previous work on self-assembling cube robots has been actuated through both fluidic and inertial methods to provide robot locomotion. The presented robotic cube functions through the harmony of an underactuated Origami Linear Soft Pneumatic Actuator (OL’ SPA) and the modulation of four Shape Memory Alloy (SMA) hinge pin actuators for each face of the cube. By disengaging three of the SMA hinge pin actuators on one of the cube’s faces, the underactuated OL’ SPA expands circumferentially about the remaining engaged SMA hinge pin actuator, opening the cube’s face. Applied to the outside of the outer cube face is a bioinspired gecko tape adhesive, allowing the cube robot the ability to self-reconfigure and climb. Through this innovative integration of novel actuation mechanisms and bioinspired adhesion, the presented robotic cube navigates uncharted terrain in the realm of modular self-reconfiguring robotics.