MathLogic
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Obby: Pump Up Your Muscles! +1 per second

Obby: Pump Up Your Muscles! +1 per second is a muscle training game set behind bars: train, eat and grow stronger to become the toughest inmate. Free.

How to play Obby: Pump Up Your Muscles! +1 per second

  1. Move with WASD and jump with Space.
  2. Press E to interact — train, eat or grab food.
  3. Click the left mouse button (or tap on mobile) to train.
  4. Zoom in and out with the mouse wheel.

About Obby: Pump Up Your Muscles! +1 per second

Obby: Pump Up Your Muscles! +1 per second is a blocky training game with a prison setting. Your character starts out weak, and the only way to earn respect from the other inmates is raw strength. Hit the gym equipment, eat and grab food to build power, and watch your strength rise every second you train. The stronger you get, the more you can take on. It's a simple, steady progression game where regular training sessions pay off, and the mouse wheel lets you zoom out to take in the whole yard.

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