The endless runner is the perfect "waiting in a queue" game. No save file to worry about, no story to follow — just go, go, go until you mess up, then immediately go again. The trick is which one keeps pulling you back.
Crowd Rush — numbers go up, crowd goes wild
Crowd Rush is the showpiece. Full 3D, and the loop is pure dopamine: you steer a little blue squad through math gates — ×2, +20, −15 — watching a handful of runners swell into a roaring crowd that fills the screen. Pick the wrong gate and your army gets gutted in a blink. Every level ends with a multiplier staircase and a boss-crowd clash where the bigger number wins. It's hard to play just once.
Two more that earn the restart
Samosa Run brings the desi flavour — a three-lane railway sprint with cows to jump, trains to dodge and a halwai chasing you the whole way (there's a whole post on the desi games if that's your thing). And you can't talk runners without Dino Runner, the offline-dinosaur game that lived in your browser the whole time. One button, cactus, birds, a slowly rising score. Stripped down and somehow still perfect.
Runners that climb and jump
Not every runner runs sideways. Cube Dash sends a cube hurtling over a neon obstacle course to a beat, and Sky Hopper flips the camera vertical — bounce a blob up an endless tower of springs and crumbling ledges. Same "don't stop, don't slip" tension, different axis.
Browse them all in the arcade category. If you want the runs to actively mess with you, the trap-platformer list is the next stop — those games want you to fail.