By Jay / / Games News

Gym League has recently released its ninth update, introducing the highly anticipated Prison Gym along with several exciting features and improvements. This guide will walk you through the steps required to unlock the new Prison Gym, maximize your training efficiency, and make the most out of the latest enhancements in the game.

Update 9 brings a wealth of new content and adjustments to Gym League, including:

  • New Prison Gym: A challenging gym with advanced training equipment and higher strength requirements.
  • Sisyphus Minigame: A new engaging minigame offering various rewards upon completion.
  • Balance Changes: Previous gyms have been made easier with increased muscle and stamina gains, allowing for faster progression.
  • New Items and Packs: Introduction of powerful boosts like the Divine Weight, Super Pickles, and the Knight Pack for enhanced training benefits.
  • Updated Fusion Altar: Additional levels and increased costs, providing substantial boosts to muscle growth.

Roblox Gym League Guide for Unlocking the Prison Gym

Before attempting to unlock the Prison Gym, ensure you have met the following requirements:

  1. Complete Previous Gyms: You must have unlocked and completed Gyms 1 through 8.
  2. Max Out the Fusion Altar: Prior to accessing the Prison Gym, fully upgrade the Fusion Altar to its maximum level.
  3. Accumulate Sufficient Funds: Prepare a substantial amount of in-game currency, as unlocking and upgrading facilities in the Prison Gym are costly.

Step-by-Step Guide to Unlocking the Prison Gym

Step 1: Maximize the Fusion Altar

The Fusion Altar provides significant boosts to your training efficiency. Follow these steps to maximize it:

  1. Train Specific Muscle Groups: Focus on training all muscle groups to meet the upgrade requirements of the Fusion Altar.
  2. Use Boosts and Potions:
    • Mega Potions: Increases your overall strength gain significantly.
    • Chakra Rations: Boosts training efficiency for specific muscle groups.
    • Power and Pump Potions: Enhance your strength and stamina gains during workouts.
  3. Utilize Divine Weight: The Divine Weight offers triple the strength gain compared to normal weights, expediting your progress.
  4. Participate in Competitions: Engage in gym competitions to earn additional rewards and currency necessary for upgrades.

Note: Fully upgrading the Fusion Altar may require considerable time and resources. Be patient and consistently utilize available boosts to streamline the process.

Step 2: Accumulate Necessary Funds

Unlocking the Prison Gym and its facilities demands a hefty sum. Here’s how to efficiently gather the required funds:

  1. Compete Regularly: Frequent participation in gym competitions yields substantial cash rewards.
  2. Apply Cash Boosters:
    • Cash Fruits: Temporarily increase the amount of money earned from activities.
    • Premium Body Oil: Enhances cash gains during workouts and competitions.
  3. Complete Minigames: Engage in the new Sisyphus Minigame for additional monetary rewards and exclusive items.
  4. Invest in Packs Wisely:
    • Knight Pack: Offers a 3.33x cash multiplier and a 4x muscle growth boost, accelerating both strength and wealth accumulation.
    • Prison Pack: Provides unique items like the Prison Legend Aura and Handcuffs for enhanced luck and gains.

Tip: Prioritize boosts and activities that offer the highest return on investment to efficiently gather the needed funds.

Step 3: Unlock the Prison Gym

Once you’ve maxed out the Fusion Altar and amassed sufficient funds, proceed to unlock the Prison Gym:

  1. Access the Gym Menu: Navigate to the gym selection interface within the game.
  2. Select the Prison Gym: Choose the newly available Prison Gym option.
  3. Pay the Unlock Fee: Confirm and pay the required amount (approximately $15 million) to gain access.

Congratulations! You now have access to the Prison Gym, opening up new avenues for training and progression.


The introduction of the Prison Gym in Update 9 of Gym League presents exciting new challenges and opportunities for players aiming to become the strongest in the game. By following this guide, you can efficiently unlock and dominate the newest gym, leveraging the plethora of new features and boosts available. Stay consistent with your training, wisely manage your resources, and enjoy climbing to the top of the leaderboards in this exhilarating Roblox experience.

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About Jay
A Content Creator for Roonby.com Contact me on [email protected]