69%Strong matchHow To Grow a Black Hole
70%51870% positive reviews, Mostly Positive across 518 reviews·Idler · Colorful
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Watch your mass skyrocket! Incremental Mass Rewritten lets you upgrade, prestige, and unlock cosmic layers of growth. From tiny beginnings to multiverse-scale numbers, it's perfect for anyone who loves exponential progression and optimizing every step of the journey.
Incremental Mass Rewritten
Steam
Incremental Mass Rewritten begins quietly. A number, a button, mass increasing one tick at a time. It feels harmless. It isn't. Welcome to your new obsession!

Ranks unlock. Scaling bends. Growth stops being additive and becomes violent. You reset not because you failed, but because destruction is the only way forward. Progress is no longer about gaining. It's about detonating your own universe for something stronger.

New tabs with new currencies open up: Black Holes, Atomic Generators, Stars, Indescribable Matter, The Parallel. New scaling walls rise in front of you, just so you can tear them down. And just when you think you’ve seen all the tabs, another one appears inside of it. It will not be the last!

Think you’re advancing smoothly? You haven’t touched the Challenges: twenty rule-breaking modifiers that cripple production, distort formulas, and force optimization. Complete them once for power. Then again. And again. Until you're finishing thousands per second just to extract microscopic advantages from exponential chaos. Perfectly normal behavior, if you ask me.

And just when you think you've stabilized growth: Atom. Supernova. Quantum. Darkness. Infinity. Entire systems collapse into higher systems. Old mechanics become stepping stones. Scaling that once seemed impossible becomes trivial and replaced by something worse. Much worse. Probably unfair. But totally addictive.

Each layer introduces dozens of sub-systems: upgrade webs, resource conversions, automation chains, scaling softcaps, hardcaps, and mechanics that interact in multiplicative cascades. At some point, you stop playing the numbers and the numbers start playing you. Who needs friends when you're gaining mass like there's no tomorrow?
Incremental Mass Rewritten is not a linear idle game, it's a layered mathematical reactor.
Surpass the concept of growth itself! Laugh maniacally while doing it. Your friends and family might understand ... if they catch the mass bug and join Incremental Mass Rewritten.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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