What is Accelerated Back Hopping (ABH)? ABH is the ability to jump backwards and gain incredible, unnatural speed. Hl2 and Eps, Portal 1 - NOT Portal 2, L4Ds, TF2 or Counter-Strikes

Accelerated Back Hopping (ABH for short) is a Glitch, and it's the main method of movement on OrangeBox Engine-based games. ABH replaces Bunnyhopping, which was fixed in the OrangeBox Engine. It is also significantly faster than bunnyhopping. This gli