Games like Incremental Mass Rewritten
Incremental Mass Rewritten leans idle, never really ends, stacks 8 prestige layers. These games share the most with it, and each one says why.

Mushies!FeaturedComing soon
Also prestige
Click the big mushroom, hire worker shrooms, build houses and dig underground in a cozy pixel-art mushroom village. Over 85 upgrades and a Wisdom prestige loop.

Fundamental
Also physics, prestige, pure numbers · Same active/idle balance (leans idle)
Start with a single particle and build up the universe. Galaxy's most-played game by total hours, by a lot.
4.4★ galaxy65% idle
Distance Incremental
Also pure numbers, prestige, physics · Same active/idle balance (balanced)
Go faster, go further. Rockets, time reversal and a very long list of layers from the Prestige Tree author.
4.4★ galaxy55% idle
SynergismUpdated
Also pure numbers, prestige · Same active/idle balance (leans idle) · 5 prestige layers
Five prestige layers stacked like a tower, each one reshaping the ones below. For people who liked AD and want more.
75% steam60% idle
Revolution Idle
Also pure numbers, prestige · Same active/idle balance (leans idle)
Wheels inside wheels. A clean, abstract prestige stack with a lot of layers and very little fluff.
87% steam60% idle
Antimatter DimensionsUpdated
Also pure numbers, prestige · Same active/idle balance (balanced) · 4 prestige layers
Buy dimensions that buy dimensions, then break infinity, then break reality. The reference point every numbers-go-up game is measured against, and it has a real ending.
92% steam4.6★ galaxy200–600h ending55% idle
Incremental Adventures
Also prestige, pure numbers · Same active/idle balance (leans idle) · 3 prestige layers
Heroes fight on their own in automated turn-based combat while you tune the automation and push toward double-exponent numbers through stacked prestiges.
78% steam70% idle
The Prestige TreeComplete
Also pure numbers, prestige · Same active/idle balance (balanced) · 20 prestige layers
A skill tree where every node is a prestige layer. It spawned the Modding Tree and a thousand descendants.
4.6★ galaxy30–80h ending50% idle
Exponential Idle
Also pure numbers, prestige · 2 prestige layers
A math idler where the upgrades are literally terms in an equation. Graduate, then play the custom theories.
75% idle
Clicker Heroes
Also prestige · Same active/idle balance (leans idle) · 2 prestige layers
Click monsters, hire heroes, ascend, transcend. The game that made idle RPGs mainstream on Steam.
90% steam60% idle
DodecaDragons
Also prestige, pure numbers · Same active/idle balance (balanced)
Twelve dragons, twelve colours of magic, and one of Galaxy's most-favourited games. Big numbers, handsome UI.
4.6★ galaxyhas ending55% idle
Underworld Idle
Also pure numbers, prestige · Same active/idle balance (leans idle)
Run an underworld where higher units spawn lower ones, across four factions each producing its own resource, with a prestige system.
71% steam70% idleIncremental Mass: Classic ReloadedDormant
Also pure numbers, physics, prestige
A reloaded version of the classic Incremental Mass, where you grow your mass through layered resets.

Realm Grinder
Also prestige · Same active/idle balance (balanced) · 3 prestige layers
Pick a faction, build a kingdom, abdicate, reincarnate, ascend. Every run changes which of eleven factions is optimal.
87% steam55% idle
Idle Wizard
Also prestige · Same active/idle balance (leans idle) · 2 prestige layers
Choose a wizard class, stack spells, transcend. A class-based prestige game with lots of build variety.
86% steam60% idleSwarm SimulatorDormant
Also pure numbers, prestige
Grow an alien hive: larvae, drones, queens, nests, and then the numbers start producing numbers.
80% idleEvolveUpdated
Also prestige · Same active/idle balance (leans idle) · 6 prestige layers
Evolve a species from primordial ooze, build a civilisation, then blow it up in a dozen different ways to start again.
60% idle
NGU Idle
Also prestige · Same active/idle balance (leans idle)
Joke-dense RPG idler with dozens of interlocking systems. Beating a boss is the easy part; allocating energy is the game.
96% steam65% idleTrimpsDormant
Also prestige · Same active/idle balance (balanced) · 2 prestige layers
Breed an army of trimps, push through zones, portal back, and optimise your heirlooms for another hundred runs.
55% idle
Idle Research
Also prestige, pure numbers · Same active/idle balance (balanced)
Research and craft flasks and tubes to generate three kinds of energy, with several prestige types, fights, skills and potion brewing.
85% steam50% idle
Cookie Clicker
Also prestige · Same active/idle balance (leans idle)
The grandma of the genre, literally. Click a cookie, buy grandmas, ascend, and discover the game is much stranger than it looks.
96% steam70% idle
Leaf Blower Revolution
Also prestige · Same active/idle balance (balanced)
Blow leaves. Blow more leaves. Somehow blow leaves across multiple dimensions with a crafting system.
94% steam55% idle
Exotic Matter Dimensions
Also pure numbers, prestige · 2 prestige layers
A big-number incremental inspired by Synergism and Antimatter Dimensions, set in an eight-dimensional universe.
4.1★ galaxy
Zen Idle: Gravity MeditationUpdated
Also physics, prestige · Same active/idle balance (balanced)
Upgrade physics-driven balls and stages for income, collect cards for permanent bonuses and prestige with evolving perks, playing passively or with strategy.
50% idle