Obby: Pump Up Your Muscles! 1 per second

Obby: Pump Up Your Muscles! 1 per second

Obby: Pump Up Your Muscles! 1 per second

Obby: Pump Up Your Muscles! 1 per second

3D Free · Browser · Mobile

About Obby: Pump Up Your Muscles! 1 per second

In Obby: Pump Up Your Muscles! 1 per second you start as the weakest inmate in a prison gym and work your way up by training relentlessly. You perform exercises like push-ups, sit-ups and pull-ups to gain muscle and strength points. Each workout session makes you visibly bigger and more powerful. Your goal is to transform from a scrawny newcomer into the strongest prisoner in the yard, earning respect from other inmates as you climb the strength rankings.

The game keeps you hooked with steady progression and visible results after every training session. You also need to eat food to fuel your workouts, adding a resource-management layer to the muscle-building grind. Poki Games offers this title so you can experience the satisfying loop of lifting, growing and dominating the prison hierarchy through pure physical power.

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

WASD – move
Space – jump
E – interact with equipment and food
Left mouse button – train
Mouse – look around
Mouse wheel – zoom
On-screen joystick (mobile) – move
Jump button (mobile) – jump
Tap (mobile) – train

Obby: Pump Up Your Muscles! 1 per second – game details

Developer
GamePush
Platform
Browser – desktop, phone and tablet
Price
Free to play
Added
October 5, 2026
View all