Games like Idle Defense: Dark Forest
Idle Defense: Dark Forest. These games share the most with it, and each one says why.

Dice vs Monsters: Roguelike TDUpdated
Also tower defense, fantasy, idle
A roguelike tower defense where each hero is a die, with dice rolls used to upgrade abilities against monster waves.

Idle Kingdom DefenseDormant
Also idle, tower defense, fantasy
Command heroes and archer corps in large castle-defense battles, with rewards stacking up while the game is closed.
75% idle
Tap Wizard 2: Idle Magic GameUpdated
Also idle, magic, fantasy
A wizard who dies defending the Chronosphere keeps rewinding time, returning stronger each loop to survive the next wave of dark forces.

Zero Stress King: Idle DefenseUpdated
Also tower defense, idle
A tower defense where you cannot lose: enemies charge your walls and fall into lava, and you spend the payout on defenders and a map-shaped skill tree.
87% steam3.6★ galaxy
Magic ArcheryUpdated
Also fantasy, magic
Train an elf commoner into a master archer by shooting targets, taking quests for gold and buying magic upgrades in a brief, hands-on climb with a set ending.
98% steamhas ending25% idle
修仙小屋
Also idle, fantasy
A multiplayer text-based cultivation idler built for chatting at work, with gear, training maps, a cave dwelling and a player market.
92% steam
Abyss Manager Idle
Also tower defense, idle
Assign characters to jobs, gather resources and dig deeper floors in an idle tower defense. About two hours to finish completely.
95% steamhas ending
The Climb - Demo
Also fantasy, magic
Demo of an incremental RPG about climbing a monster-filled tower, with crafting, growing equipment, enchant cards, quests, and automatic combat.
4.5★ galaxy50% idle
Slimeward
Also fantasy, idle
Turn a slime that landed outside your house into resources, building up a village and recruiting heroes strong enough to beat it.
89% steam
Spellbound & Shelved
Also magic, idle
Hire gnomes to reshelve thousands of spilled spellbooks in a wizard library. Flip the sign to trade customer income against the mess they make, until the last book is put away.
87% steamhas ending75% idle
Mythic Heroes: Idle RPGUpdated
Also idle, fantasy
Summon gods and heroes from many mythologies into a party that battles on its own or under your direction.

Sword x StaffUpdated
Also idle, fantasy
Explore a large isekai world with two companions, mixing over 200 skills while idle systems gather resources.

Immortal Taoists-MUD WuxiaUpdated
Also idle, fantasy
Seek immortality as a cultivator in a playable xianxia novel, joining sects, learning arts and raising spirit beasts.

X-HEROUpdated
Also idle, fantasy
Assemble a team of heroes for arena and space adventures, levelling up while away from the game.

Idle Magic AcademyUpdated
Also idle, magic
Build a wizard school, enroll students who learn spells and potions, and earn magic coins while offline.

Goblins Wood: lumber tycoonUpdated
Also idle, fantasy
Merge goblin workers to chop wood and mine in an enchanted forest while the crew keeps working offline.

The Tower - Idle Tower DefenseUpdated
Also tower defense, idle
Defend a single tower against waves, buy permanent upgrades and research while idle or active.
50% idle
Overmortal-Idle RPGUpdated
Also idle, fantasy
A text-driven cultivation RPG where you rise from mortal to immortal, choosing branching paths, evolving pets into companions, and fighting bosses across realms.

Fortress Saga: Idle AFK RPGUpdated
Also idle, fantasy
Collect heroes, clear dungeons, and upgrade a fortress in a fantasy idle RPG where your party keeps fighting and gathering rewards while you are offline.
75% idle
Zombie Idle DefenseUpdated
Also idle, tower defense
Equip survivors with weapons and hold a defensive line against waves of zombies and bosses across post-apocalyptic levels.

Mini Heroes: Magic ThroneUpdated
Also idle, fantasy
A fantasy hero collector where you help an exiled prince retake his throne, powering up heroes through auto-loot and AFK rewards.

Boom Castle: Tower Defense TDUpdated
Also tower defense, fantasy
Hold a castle against orcs, skeletons, and demons with towers and heroes in a roguelike defense that grows stronger each run.

Slime Castle: Idle TD RTS GameUpdated
Also idle, tower defense
Play as a slime defending a forest castle from human invaders, gathering gear and skills and returning stronger after each defeat.

Idle Archer Tower Defense RPGUpdated
Also idle, tower defense
Defend a tower as a lone archer against monster waves, collecting skill cards and spending gold on permanent upgrades after each loss.