Classic Flat

Simple 1v1 by GudStrat:
A single, flat platform where the goal is to push your opponent off to win.

Indiana Jones simulator by Querp:
A flat map where a ball moves in a fixed path from right to left, and your goal is to knock your opponent off the platform.

Tightrope Chain by GayfishDeluxe:
A map with five small sloped platforms where the goal is to push your opponent off to win.

sqeeq by Querp:
A rectangular block that swings in a half-circle motion, like a pendulum.