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

BubbleverseDormant
Also clicker, space, short
Grow bubbles in a tiny universe, click them to collect cash, and spend it on upgrades.

PLANETS OF WARDormant
Also clicker, short, space
A 15-minute clicking adventure about fending off an alien invasion of Earth.
59% steamhas ending
Little Dig Game
Also short, planet
A roughly 40-minute game where you send workers onto a planet to gather resources for a company that strips worlds for profit.
4.7★ galaxy
A Game About Feeding A Black HoleUpdated
Also short, space
Destroy asteroids, planets and stars to feed a black hole, buying upgrades along the way, with extra game modes after the main run.
87% steam
Drop and Grow
Also short, clicker
A short clicker where you drip water onto soil to grow grass, bushes and flowers.
91% steam4.1★ galaxy
A Tale of Poop and Vengeance
Also short, clicker
A short story-driven clicker: shovel manure, buy upgrades and work your way toward toppling the government.
4.4★ galaxy25% idle
Space Rock BreakerUpdated
Also space, short
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
SpaceplanComplete
Also short, 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 Adventure of NAYU
Also short, clicker
Click to help a fox and her party fight through a gentle, short story, spending star shards on training and costumes, with an endless mode afterward.
95% steamhas ending75% idle
To The Core
Also space, planet
Fly between planets, drill for resources until fuel runs out, and buy upgrades so each dig reaches deeper than the last.
93% steam
The Last Cat in the Universe
Also short, 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
The Greenening
Also short, planet
Water an ash-covered planet to reveal what lies beneath, upgrade your abilities, and tend a garden aboard your spaceship in about three hours.
96% steam50% idle
Instruction
Also clicker, short
Meet power quotas at a plant using five generation systems while its sarcastic AI mentor reveals a story. A student project.
94% steam
Human-powered spacecraft
Also clicker, space
A stranded colonist cranks a dynamo by hand to repower a ship, upgrading toward potato farms and antimatter with a sarcastic computer.
93% steam
Deep Space Cache
Also short, space
Shoot asteroids for resources, feed them into generators and ship augments, and reach the finish in a couple of hours.
93% steamhas ending50% idle
PROFITS 2167: Planetary Resource Optimization & Freight Infrastructure Technician Simulator
Also space, short
Drive a mining train by hand between stations, defend against alien insects and reinvest profits into upgrades and delivery drones, satirizing tech startups.
98% steamhas ending25% idle
Far Mining
Also space, short
Pilot a ship that auto-fires at nearby asteroids, then spend the haul on a large tech tree to escape deep space. A short run of about three hours.
95% steamhas ending
The MachinEGGUpdated
Also short, clicker
Raise chickens, sell their eggs and automate the farm in a relaxed clicker that takes around 20 to 25 minutes to finish.
4.2★ galaxyhas ending25% idle
Lost in SpaceDormant
Also space, short
A stranded astronaut turns energy into matter with a 3D printer, where every click uses oxygen, racing to escape.
4.0★ galaxyhas ending
Click & MineUpdated
Also short, clicker
Mine each biome's resources before stamina runs out, digging deeper with upgrades and artifacts over a two to three hour run.
86% steam3.8★ galaxyhas ending
Click To Continue
Also clicker, short
You wake in a white room with a single button and keep pressing it to open panels of odd upgrades. A short, surreal clicker where the numbers count down instead of up.
92% steam25% idle
SporbsUpdated
Also space, planet
Hover over alien organisms to harvest them without clicking, feed a fuel factory, and work through a 170-node skill tree toward a ride home.
77% steam4.1★ galaxyhas ending
Unfair Flips
Also clicker, short
Flip a rigged coin with a 20% heads chance and upgrade the odds, aiming for ten heads in a row in a bleak far-future setting.
88% steamhas ending25% idle
Hamstronaut
Also space, short
Spin a hamster's wheel for power, sell it, and build a rocket to fly him to a moon he thinks is cheese. A family-made jam game.
4.2★ galaxy