65%Strong matchTHE MULLER-POWELL PRINCIPLE
73%32973% positive reviews, Mostly Positive across 329 reviews·Exploration · Puzzle
—Guide a fragile balloon through a lethal test facility in this high-stakes physics puzzler. Navigate treacherous traps, dismantle robotic security, and uncover the dark secrets behind the experiments before time runs out. One pop and it’s over.
Lunio
SteamYou are in a test facility, trying to get the balloon into the box. The catch, you are not allowed to let it pop or you must restart at the beginning. As you make progress the levels will get harder and introduce new types of enemy's and puzzles. Don't think you have time, the balloon is going to pop after a specific time has passed.
Discover the hidden and dark secrets. Find the reason why you are in this test facility. While you pass levels, the story is going to get darker and mysterious.

You are the only thing standing between a fragile balloon and total destruction. Your mission is simple: guide the balloon through a series of increasingly dangerous testing chambers and deliver it safely to the Goal Box. The catch? Everything in this world wants to see it pop—from automated turrets and homing missiles to heat-seeking robotic frogs

The balloon is light, floaty, and incredibly vulnerable. You’ll need to master precision physics to keep it airborne while navigating narrow corridors and environmental hazards.

You aren't just a guide; you’re a bodyguard. Use your arsenal to dismantle the mechanical opposition before they land a hit.
Why are you here? What is the purpose of these "tests"? As you progress, the facility’s pristine exterior begins to crack, revealing a story that gets darker and more mysterious with every level completed.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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