68%Strong matchBehind Glass: Aquarium Simulator
96%35096% positive reviews, Overwhelmingly Positive across 350 reviews·Underwater · Realistic
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Build an otherworldly lab along the bottom of your screen. Invite unique companions to join you. 200+ creatures await summoning and fusion—raise them in bottles and decide their fate: convert to materials, or sacrifice them to darker forces?
Glassbound
Steam
Glassbound is an idle creature-raising game that lives at the bottom of your screen. Summon otherworldly beings, raise them inside glass bottles, and choose between the path of Light or Darkness—while these tiny lives quietly keep you company throughout your day.
You can let them grow on their own, or experiment with placement and combinations to unlock new possibilities.
Discover over 200 creatures. Use scrolls to summon beings from different worlds, from fluffy critters to deep-sea spirits. Fill out your collection and uncover rare hidden species along the way.
Each creature has its own personality. Some thrive in groups, some prefer solitude, and some affect their neighbors. How you arrange them will shape your efficiency and overall strategy.

After raising your creatures, will you ascend them or sacrifice them? Every choice shifts the direction of your compass. Each path offers different abilities, content, and progression styles.
Meet seven companions from different races. Give gifts, have conversations, and unlock their personal stories. Your choices along the Light or Darkness paths will shape your relationships with them.
Send your creatures out to explore different regions. Gather rare materials, discover hidden content, and gradually unlock more of the world.
The game runs quietly at the bottom of your screen without interrupting your workflow. Your bottled world keeps moving on its own, always there when you come back.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like Glassbound are Behind Glass: Aquarium Simulator, Bugtopia, Tiny Glade, Cloud Gardens, and Desk Garden.
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