Games like Universe Shrinker
Universe Shrinker. These games share the most with it, and each one says why.

Planetidal
Also space, pure numbers
An idle game about planets, universes, and realities, growing numbers to enormous size.
3.6★ galaxy
The Limitless Journey
Also pure numbers, space
Start with a single cursor and push your point count toward 1e200 as you travel across a vast universe.
3.6★ galaxyhas ending
Unnamed Space Idle
Also space
A ship, a sector map and a tidy prestige loop. Quietly one of Galaxy's most-played games.
92% steam4.5★ galaxy70% idle
Antimatter DimensionsUpdated
Also pure numbers
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
DodecaDragons
Also pure numbers
Twelve dragons, twelve colours of magic, and one of Galaxy's most-favourited games. Big numbers, handsome UI.
4.6★ galaxyhas ending55% idle
Calculator Evolution
Also pure numbers
Upgrade a pocket calculator into something with far too many digits. Clever programming-flavoured progression.
4.5★ galaxy55% idle
The Prestige TreeComplete
Also pure numbers
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
Fundamental
Also pure numbers
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
Incremental Mass RewrittenDormant
Also pure numbers
Gain mass, become a black hole, then an atom, then a supernova. The numbers get absurd quickly and never stop.
4.4★ galaxy60% idle
Algebraic Progression
Also pure numbers
Grow variables, unlock functions, climb the algebra. A math incremental with a following.
4.4★ galaxy
Astro Prospector Prologue
Also space
A bullet-heaven incremental where you mine coffee asteroids, fight SpaceCorp and upgrade your ship. This build is an early prologue.
4.6★ galaxy
Distance Incremental
Also pure numbers
Go faster, go further. Rockets, time reversal and a very long list of layers from the Prestige Tree author.
4.4★ galaxy55% idle
Ordinal Pringles
Also pure numbers
A spiritual successor to Ordinal Markup: climb the ordinal hierarchy, one absurd notation at a time.
4.4★ galaxy45% idle
Version Control
Also pure numbers
An Antimatter Dimensions-style game made for a jam where you move through a series of updates that transform your Darkness Dimensions.
4.4★ galaxyhas ending
(the) Gnorp Apologue
Also pure numbers
Strike a rock for shards and hire a growing crew of gnorps to smash and haul them, stacking synergies until the numbers explode.
96% steam
Space Rock BreakerUpdated
Also space
Blast asteroids with guns and lasers, then drop the ore through an upgradable Plinko board for credits to spend on a large skill tree.
96% steam
Void Miner – Incremental Asteroids Roguelite
Also space
Pilot a ship and an automated tower through asteroid fields, shooting rocks for resources that feed an upgrade tree between runs.
83% steam
SpaceplanComplete
Also space
A stranded ship, a potato, and a soundtrack that makes the finale land. A short, focused story idler.
91% steam1–3h ending30% idle
The Galactic Tree
Also space
A space-themed Prestige Tree mod with around ten hours of layered progression, hidden secrets, and content that continues past its end into Infinity.
4.2★ galaxy
To The Core
Also space
Fly between planets, drill for resources until fuel runs out, and buy upgrades so each dig reaches deeper than the last.
93% steam
Cauldron
Also pure numbers
A young witch grinds minigames for resources that power up her party, uncovering the map through turn-based fights and huge skill trees.
96% steam
Check Back Reclocked
Also pure numbers
A ground-up remake of Check Back with faster pacing, reworked systems and shop, and numbers that can climb far past normal limits.
4.2★ galaxy
The Last Cat in the Universe
Also space
As a space station AI, sweep your cursor over debris to salvage parts and build a warm home for the last cat, in a short story meant for one or two sittings.
94% steamhas ending
Idle SpiralUpdated
Also pure numbers
Grow a mathematical spiral ever outward by buying formula upgrades, stacking several prestige resets, and use the spiral as a weapon in battles.
79% steam