Games like Transport Defender
Transport Defender leans idle. These games share the most with it, and each one says why.

Idle Space Raider
Also space, automation, prestige · Same active/idle balance (leans idle)
Patrol space as a station guard, mining ore and fighting in raids, then upgrade your ship and station. Toggles automate most systems, and a stargate opens a second reset tier.
74% steam70% idle
Unnamed Space Idle
Also space, prestige, combat · Same active/idle balance (leans idle)
A ship, a sector map and a tidy prestige loop. Quietly one of Galaxy's most-played games.
92% steam4.5★ galaxy70% idle
Incremental Adventures
Also automation, combat, prestige · Same active/idle balance (leans idle)
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% idleTrimpsDormant
Also combat, prestige, automation
Breed an army of trimps, push through zones, portal back, and optimise your heirlooms for another hundred runs.
55% idle
Rejected DraftComing soon
Also combat, prestige, automation
You are the doodle the Artist threw away. Fight community-drawn sketches, absorb their powers and claw your way back for revenge.
4.2★ galaxy1000h ending35% idle
Space industrial empire
Also space, automation · Same active/idle balance (leans idle)
Lay out flat conveyor lines for mining, smelting and research, then build warships to take other planets.
87% steam70% idle
Coin Flipper
Also prestige, automation · Same active/idle balance (leans idle)
Pick heads or tails and flip coins for currency, buying upgrades until the flipping runs on its own. Past a million coins you can inflate for permanent bonuses.
89% steam70% idle
Orbit FoundryComing soon
Also space, automation, prestige
Grow one extractor into an orbital factory: place machines beside the right neighbors, time reactor pulses for bursts, and Reforge for permanent upgrades until you light a new star.
has ending
Starvester
Also space, automation, prestige
Send drone swarms to mine a star system and grow a factory that builds megastructures, with prestige along a roughly five hour campaign.
69% steamhas ending25% idle
Industry IdleDormant
Also automation, prestige · Same active/idle balance (leans idle)
Build factories on generated maps, optimize production chains, trade on a player market and prestige for new maps, with offline earnings tied to company value.
77% steam75% idle
Galactic Idle
Also space, combat, automation
Grow one planet into a space empire: research tech, raise fleets and conquer 20 worlds, with battles auto-resolved or fought squad by squad.

Galaxy Idle Clicker
Also space, prestige · Same active/idle balance (leans idle)
Upgrade a spaceship to conquer over 5,000 areas across seven universes, with four reset systems, four minigames and offline farming.
74% steam75% idle
Antimatter DimensionsUpdated
Also prestige, automation
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% idleIdleSpaceDormant
Also space, combat, automation
A space combat idle game where you design ships and send fleets into automated battles.

IdleSpace 2Dormant
Also space, combat, automation
The successor to IdleSpace, an idle space game of fleet building and automated battles.

Idle Cooking Emperor
Also prestige, combat · Same active/idle balance (leans idle)
Train as a cook, win restaurants in duels, staff them with beaten rivals, and tune recipes and ingredient combos. Retire to raise a stronger pupil.
55% steam70% idle
IDLE BOSS RUSH
Also combat, prestige · Same active/idle balance (leans idle)
Troops keep fighting huge bosses while you are gone, and the loot turns a bleak camp into a kingdom with advisors, item combos and town upgrades.
66% steam75% idle
Time Clickers
Also prestige, combat
Shoot cubes for gold, upgrade your pistol and hire a sharpshooter squad, then trade Time Cubes for artifacts after wave 100.
88% steam50% idle
Vanguard Galaxy
Also space, combat
Fight, mine, salvage and trade across a procedural galaxy, played full screen or docked on your desktop with an autopilot that can run things.
90% steam50% idle
Idle Factory Tycoon: Business!Updated
Also automation, prestige · Same active/idle balance (leans idle)
Build workstations across factories, hire managers to automate sales and prestige factories for more output.
75% idle
Idle Space Farmer ManagerDormant
Also space, prestige · Same active/idle balance (leans idle)
Run an anime-styled space farm, recruiting agents from gacha pulls to fight monsters and upgrading ships across planets with prestige.
75% idle
Mogul Forge
Also automation, prestige · Same active/idle balance (mostly idle)
Work odd jobs, buy businesses and hire managers to run them, then open new districts and reset into Legacy for a stronger empire.
80% idle
Endless World Idle RPG
Also combat, prestige
A 3D hero-team RPG you can leave on auto or micromanage, with PvP arenas, dungeons, resource mines, and restarts that leave you stronger.
78% steam50% idle
Lazy Galaxy
Also space, combat
Lead a lazy alien race: grow your base idly and either take direct control in RTS battles or let the ships fight alone. Achievements unlock permanent research.
80% steam50% idle