Ghost Shift is a free online arcade game that challenges you to swap between two modes on the fly while running through an endless obstacle course. In Human mode, red blocks will end your run instantly while blue barriers pass right through you. Flip to Ghost mode and the rules completely reverse — red blocks become harmless but blue barriers are now lethal. One button jump, one button switch. Simple controls, brutal difficulty curve.

The real hook in Ghost Shift is the split-second decision making. Obstacles come faster as you progress, forcing you to read what's ahead and switch modes before you hit anything. Mess up your timing by even a fraction and it's game over. Shields give you a brief safety window when things get chaotic, and collecting coins lets you unlock new skins to customize your runner. The endless format means every session is a personal best attempt, which keeps you coming back for one more run.

Ghost Shift is a perfect pick for fans of free endless runner games, casual mobile-style browser games, and reflex skill challenges. If you enjoy games like Color Switch or dual-mechanic arcade titles, this one will click immediately. It works great on both desktop and mobile with tap controls, making it one of the better free online jump games you can play without downloading anything. Search terms like free ghost runner game, online arcade skill game, and endless mode browser game all lead right here.