Games like The Perfect Tower II
The Perfect Tower II leans idle, never really ends. These games share the most with it, and each one says why.

BitburnerUpdated
Also programming, automation · Same active/idle balance (leans idle)
A cyberpunk incremental where you write real JavaScript to hack servers and automate everything.
95% steam70% idle
Screeps: World
Also programming, automation · Same active/idle balance (leans idle)
Run a colony in a persistent MMO by writing JavaScript that controls your units around the clock, even while you are logged off.
87% steam70% idle
Stone Story RPG
Also programming · Same active/idle balance (balanced) · Built on Unity
A hand-animated ASCII RPG that plays itself while you script its behaviour. Gorgeous and strange.
91% steam15–30h ending50% idle
Yet Another Incremental Game (but this time about coding)Updated
Also programming, automation · Same active/idle balance (balanced)
Mash keys to write code, then build a production grid and hire AI agents that ship projects, including while the game is closed, before prestiging.
74% steam2.7★ galaxy50% idle
NGU Idle
Same active/idle balance (leans idle) · Built on Unity
Joke-dense RPG idler with dozens of interlocking systems. Beating a boss is the easy part; allocating energy is the game.
96% steam65% idle
The Farmer Was Replaced
Also programming, automation
Write Python-like scripts for a drone that farms for you, then spend the harvest on new tech that opens tougher automation puzzles.
97% steam
Idle Champions of the Forgotten Realms
Same active/idle balance (leans idle) · Built on Unity
Dungeons & Dragons formation-building idler. Heavy on events and collection.
77% steam60% idle
Upload Labs
Also automation, programming
Wire together window-like nodes into data pipelines that download, process and upload files, then research, hack and code your way toward stopping heat death.
90% steam
Incremental Adventures
Also automation · 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% idle
Idle Monster TD
Also tower defense · Same active/idle balance (leans idle)
Place elemental monsters on the map to hold off endless robot waves, combining their abilities and upgrading stats between fights.
72% steam70% idle
Cell to Singularity
Same active/idle balance (leans idle) · Built on Unity
Evolve life from a single cell to a technological singularity, with a surprising amount of real science in the tooltips.
89% steam70% idle
Idle Hero TD - Tower Defense RPGUpdated
Also tower defense
An endless tower defense where you recruit and place fantasy heroes against infinite waves, and they keep fighting and collecting rewards while the game is closed.
82% steam75% idle
Code: Terraform
Also programming, automation
Write Python-like scripts to run rovers, power grids, smelters and drone fleets on a frozen alien world, with your code working while you plan.
83% steamTrimpsDormant
Also automation · Same active/idle balance (balanced)
Breed an army of trimps, push through zones, portal back, and optimise your heirlooms for another hundred runs.
55% idle
Antimatter DimensionsUpdated
Also automation · Same active/idle balance (balanced)
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
Idle Monster TD: Evolved
Also tower defense
A reverse tower defense where you evolve over 150 monsters to hold a portal against endless human invaders, placing them to combine abilities.
76% steam75% idle
Outpath: First Journey
Also automation · Same active/idle balance (balanced)
A free prologue to a first-person clicker where you gather, craft and automate a base, buying new islands, in either an active or idle style.
96% steam50% idle
Idle Slayer
Built on Unity
A runner-platformer bolted onto an idle economy. Jump for coins when you're around; let it grind when you're not.
84% steam45% idle
Outpath
Also automation · Same active/idle balance (balanced)
A first-person clicker base builder: gather by hand, then automate production and buy more islands to expand.
94% steam50% idle
Clicker Heroes 2
Also automation · Same active/idle balance (balanced)
Click through endless zones and worlds, chain skills for DPS, and program an automator to play for you. It never ends.
53% steam50% idle
Plantera 2: Golden Acorn
Also automation · Same active/idle balance (balanced)
Grow a garden around a magic oak with round helpers who harvest for you, even while the game is closed, and reach for golden acorns.
95% steam50% idle
Idling to Rule the Gods
Built on Unity
Train clones, fight gods, rebirth. An old-school Unity idler that still has a loyal crowd.
85% steam75% idle
Calculator Evolution
Also programming · Same active/idle balance (balanced)
Upgrade a pocket calculator into something with far too many digits. Clever programming-flavoured progression.
4.5★ galaxy55% idle
Plantera
Also automation · Same active/idle balance (balanced)
Grow a garden of crops, trees and animals while round helpers harvest for you, and keep earning even with the game shut.
89% steam50% idle