Look for the dumbbell blips on the map.

A paid gym can be owned by a player business that sets its own prices. When nobody owns it, an NPC receptionist runs the desk.

1. Walk up to the receptionist at the front desk and press E at Front desk: memberships & supplements.
2. Pick a Day, Week or Month pass and pay with cash or card.
3. You get a Gym Membership Card (use it to show your card) and a welcome mail on your phone.

Buying again at the same gym adds time instead of replacing it. A membership only works at the gym you bought it at.

There's no third eye in gyms. Walk up to a machine and a floating [E] text shows. If there are several options, use ← / → to switch, then press E. Press X to stop at any time.

A workout panel shows at the bottom right with your progress, the set and your Energy. Finish a set and a green "+0.x <stat>" floats up.

1. Treadmill (Stamina) - press W / S to pick Walk, Jog, Run or Sprint (faster speeds need some stamina first). Tap A, D, A, D... at a steady rhythm to keep the Pace bar up. If it runs empty you fall off the back.
2. Exercise bike (Stamina) - tap A / D fast to keep your Cadence in the green. W / S change the resistance (harder levels need some stamina).
3. Rowing machine (Stamina, a bit of Strength) - press Space each time the white marker passes the green zone.
4. Bench press, squats, curls, pull-ups (Strength) - W / S pick a weight (heavier needs more strength but gives more). Hold Space to push the weight up; let go halfway and it sinks back.
5. Punching bag (Strength, a bit of Stamina) - a big arrow shows on the panel. Press the matching arrow key quickly.
6. Mats (push-ups, sit-ups) - pick the exercise with ← / →, then hit Space while the marker is in the yellow zone.
7. Swimming (Lung capacity) - at Muscle Sands, swim into the sea next to the beach gym and press E to swim laps. Stay underwater to fill the dots.

• Energy drains as you train. When it's empty you have to rest for a moment. A high Stamina stat makes it drain slower.
• Daily limit: each stat can only grow about 8 levels a day. After that, sets still play but give "no gains" - switch to another stat.
• Fading: if you don't train for a few days, your stats slowly drop.
• One person per machine.

Sold at the gym front desk. Use one before you train.

Supplement	Effect
Protein Shake	Strength gains +25% for an hour (fills you up a bit)
Pre-Workout	Every stat trains 25% faster for 45 minutes
Hydro Mix Electrolytes	Stamina and lung gains +25% for an hour

At a player-owned gym, an on-duty Trainer standing close to you gives about 25% more gains (shown as "trainer bonus").

Gyms with a boxing ring host fights.

1. Two fighters stand in the ring and press E → Sign up to fight.
2. Once there are two, everyone nearby sees "A vs B - bets are open" and a board over the ring.
3. Spectators stand at the ring, use ← / → to pick Place a bet, press E, then pick a fighter and an amount.
4. After a minute the fight starts: both fighters at full health, weapons blocked.
5. The fight ends on a knockout. Nobody goes to hospital. Stepping out of the ring loses the fight, and a fight that runs too long is a draw with bets refunded.
6. People who backed the winner get paid out of the pot. The gym keeps a small cut.

At an owned gym, the owner decides when the ring is open for fights.