Top similar games like Deep Space Observatory:

'A Game About Making A Planet' is a short, satisfying incremental game. Make a planet by merging particles together. Playtime around 2 hours

A cozy incremental where you choose how your bees evolve, plant flowers, guide your hive, and grow a thriving honey empire.

Inkremental is a short incremental game about splattering paint across canvases by bursting blobs of color. Revisit iconic artworks with a humorous twist, unlock upgrades, and take down quirky mini‑bosses as you bring each masterpiece to life.

A short, chaotic incremental game about growing your black hole as you chase panicked animals across levels with janky physics. Catch them, stack incremental upgrades, and dive into fast runs that always tempt ‘just one more’.

A short relaxing incremental game disguised as a tower defense, but enemies can’t reach your walls. Thanks to lava.

Grow your organism, gather biomass, and expand your colony. A casual, short mouse-driven incremental game focused on growth and progression.

'A game about eating the universe' is a short, satisfying incremental game. grow a black hole by destroying planets.

Hydra Heli 2 is a relaxing incremental game about sinking battleships with an overpowered helicopter. Control a swarm of unstoppable weapons, annihilate armadas, collect shards, and utilize the Depot to boost damage, increase firepower, and unlock new regions.

A retro CRT-style idle mining game set in deep space. Expand your station, automate extraction fleets, harvest stars, and pay down an impossible debt.

Petal by Petal is a relaxing incremental gardening game where mindful movements are rewarded. Automate your garden, unlock powerful flower abilities, and watch your screen explode into vibrant colour as your garden grows.

ClickRush: Produce infinite clicks! Deploy drones and AI matrices to automate your empire. Take down Real-Time World Bosses with the community, level up your Battle Pass, and unlock celestial bonuses. Dominate the global leaderboard. Get your mouse ready!

Build. Blast. Prestige. Repeat. An incremental game where you build the most productive exoplanet while protecting your enterprise from space pirates. Automate production, shoot rockets, employ an alien and keep on producing.

A short incremental game about terraforming Mars. Adjust the planet's parameters using questionable technology, raise structurally optimistic buildings, and deploy (mostly) helpful drones — until something breathable happens. The engineers are lazy, not incompetent. Probably.

A short incremental game where you play as a Healer in a party. Your main job is to keep your party alive. Upgrade 200+ skills in a skill tree, from healing to party damage. Designed to be completed in around 4 hours.

A tiny clicker game that sits on the corner of your screen. Kill monsters, earn gold and buy new spells to level up (even when you're idle). Unlock cosmetics to customize your character. Watch the numbers increase non-stop and become a powerful witch!

Pickochet is a short, incremental mining game where you mine ore using bouncy ricocheting pickaxes, purchase upgrades, unlock abilities and discover new mining sites.

Your rock[et] crashed on a mysterious planet. Break asteroids, collect minerals, and upgrade to escape! Discover different items, characters, synergies, and more...

A clicker/incremental game themed around AGI (Artificial General Intelligence) development. Use AI to streamline AI development, build data centers and power plants, and venture into space in pursuit of even more power.

Manage a mysterious machine as it summons and consumes eldritch entities in this incremental game. Every entity consumed makes the machine more powerful, and unlocks new mechanics.

A short active incremental game about growing your cellular organism. Make the numbers go up by absorbing all kinds of cells in the primordial soup of evolution!

A cozy, chaotic idle-incremental clicker about growing a civilisation of tiny creatures called Pibbles in a giant tree, set in a post-human world. Gather resources, build wacky structures and play mini-games to push your production to its absolute limits!

Mine for gold and build businesses to earn money. An incredibly rewarding 2D clicker game awaits where you’ll become insanely rich. Complete missions and expand your empire throughout your journey!

Your purr-fect desktop companion is here! Get adorable cats that chill at the bottom of your screen, keeping you company while you work, study, play, or relax. Collect toys & furniture to build them a cozy home. Pet, feed, play, or simply enjoy their presence.

Mytosis is a short, experimental incremental game about evolving life forms from simple cells to complex procedural organisms.

An idle game where you gather resources and grow your city. Sit back and watch your city expand!

CLICK > JUMP > GAIN JUMP BUCKS > BUY UPGRADES > JUMP MORE !!! Hoplings is a hand-crafted pixel art clicker/incremental game that is sure to keep you hopping for more!

A minimalist incremental game where you watch DVD logos bounce endlessly, earn points, upgrade your screen, and unlock increasingly powerful upgrades.

Balls & Gamble is a casino-inspired incremental game where you shoot a LOT of balls, earn money, buy upgrades, gamble, unlock new balls, and eventually break reality itself.

Pirate Treasure Hunt is a short incremental treasure hunting game. Explore islands, uncover rare treasures and ancient artifacts, upgrade your expedition and become the richest pirate on the seas.

MatchyGotchy Z is a colorful digital pet game that combines idle clicker elements with a new take on pet-raising simulation: trainable personalities. All the nostalgia of those old virtual pets, fully adapted into a new desktop gaming experience.

An Idle incremental clicker focused on crafting symbols, merging combinations, and building automated production. Reset your run to unlock permanent upgrades and grow stronger each cycle.

Ever Flip is an incremental coin-flipping game where streaks from 50% coin flips unlock bigger rewards and growing automation.

Void Ignition is an atmospheric incremental game tat combines satisfying "number-goes-up" progression with an unraveling sci-fi mystery. 

A simple cozy game where you fish with friendly characters, upgrade, discover and decorate.

Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.