My Little Cosmos game cover

My Little Cosmos CD Key

My Little Cosmos is a light idle clicker where keyboard input and mouse clicks drive the universe's evolution. It runs in the background with no constant attention. Start with a small asteroid, unlock stages and content, and receive random rewards at intervals, with automatic Steam inventory drops; no data collected.
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Current Lowest Price

1.99$
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Release Date

25 Apr, 2026

Publisher/Developer

PcZ Games

Reviews

Steam: 88.24% positive (15/17)
Metacritic: -

My Little Cosmos Steam Price History Chart

Current Steam price: 1.99$
Lowest Steam price ever: 1.39$ — 2026-10-08
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My Little Cosmos description

My Little Cosmos

My Little Cosmos is a light clicker and idle experience that turns every keyboard press and mouse click into the energy that drives a nascent universe. It is engineered to work alongside your normal computer use, evolving quietly in the background without demanding your constant attention.

Begin with a solitary asteroid and observe the cosmos unfold as time passes. Through a sequence of growth stages you unlock new systems, celestial bodies, and layers of content. Each milestone expands what you can explore and influence, guiding your universe from simple beginnings toward richer, more complex structures.

How it plays is simple by design: any keyboard input or mouse click contributes to cosmic development, but you never need to actively “play” in the traditional sense. The game runs automatically, continuing to evolve even when you switch away to other tasks or shut the screen. It’s built for idle play and full background operation, so your universe grows at its own steady pace while you go about your day.

Rewards arrive at fixed intervals in the form of random drops that broaden your collection and unlock new options. Over time these rewards accumulate, introducing new assets and possibilities as the universe expands. In addition, Steam inventory rewards drop automatically at regular intervals, providing extra incentives as you progress.

Privacy and trust are central to the experience: the game does not record, analyze, store, or upload your input data. You can enjoy the evolving cosmos with confidence, knowing that your keystrokes and mouse activity remain private.

Accessible and unobtrusive, My Little Cosmos runs smoothly on a wide range of PC setups and does not place demands on your system while you work or play. It avoids intrusive ads or microtransactions, focusing on a calm, rewarding progression that respects your time and attention.

Key features at a glance:

  • Any keyboard input or mouse click contributes to the evolution of the universe
  • Multiple growth stages that gradually unlock new systems and content
  • Idle play designed for background operation with full automation
  • Random rewards at fixed intervals that expand your collection
  • Automatic Steam inventory rewards drop regularly
  • Privacy-first design with no input data recorded, analyzed, stored, or uploaded

My Little Cosmos offers a tranquil, expansive experience where progress is steady, rewarding, and accessible. It invites you to glimpse the birth of galaxies and the growth of cosmic complexity, all without demanding your constant attention. Let the universe evolve as you focus on other tasks, and come back to discover new wonders waiting in the next stage of your ever-growing cosmos.