Obby: Pump Up Your Muscles! 1 per second

Obby: Pump Up Your Muscles! 1 per second is a relaxing idle game with a cheeky prison-yard hook: behind these walls, only muscle earns respect. You arrive as a scrawny rookie at the bottom of the pecking order, and the whole game is the slow, satisfying climb from bag-of-bones to unstoppable slab of gains. Every rep counts, the numbers keep ticking up, and there is a real thrill in watching your once-skinny character visibly bulk out as the strength piles on.

The engine underneath it is the classic idle loop, tuned to the promise in the title — one point per second, always trickling in. You knock out push-ups, sit-ups, and pull-ups to pump your strength, and even when you step away the gains keep coming, so you come back to a bigger pile than you left. The joy is in feeding that number back into yourself: more strength unlocks tougher exercises and heavier gear, which in turn crank up how fast the meter climbs, and the little jumps in muscle size make every upgrade feel earned rather than just tapped.

Layered on top is the prison-gym progression, which gives all that number-crunching a place to go. As you get stronger you rise through the ranks of the yard, earning respect you could never buy as the skinny new guy. New workout stations, new tiers of muscle, and a steadily beefier physique are the rewards, and the 3D character glow-up is the payoff you actually see — the difference between the rookie you started as and the mountain you become.

What makes it stick is how low-stress the whole thing is. There is no failure state to sweat, no timer bearing down, just the easy, moreish rhythm of tapping to train, watching the counter roll, and cashing your strength into the next upgrade. It runs smoothly in the browser and drops straight onto a phone for one-handed play, making it the perfect thing to dip into for a minute or leave ticking in the background — a laid-back power fantasy about turning a skinny rookie into the strongest one in the yard.

How to Play:

• Tap or click to work out — push-ups, sit-ups, and pull-ups build your strength
• Strength keeps ticking up at one point per second, even while idle
• Spend your strength on upgrades to make the counter climb faster
• Unlock new exercises and workout stations as you grow
• Watch your character bulk up from skinny rookie to muscle mountain
• Rise through the ranks of the prison yard as you get stronger
• Check back after time away to collect your idle gains