Touchdowners is American football played by ragdolls with a single control: everything your player does — jumping, grabbing, throwing — comes from one button, timed differently.
It's absurd and it's meant to be. The physics makes every play unpredictable, which is exactly why it works as a two-player game.
One per player. Timing and duration determine whether you move, jump, grab or throw.
Yes — it's built for two players on one keyboard, which is where the ragdoll physics are funniest.
Yes — a light 2D game with nothing to install.