Games like Idle Kingdom Defense
Idle Kingdom Defense leans idle. These games share the most with it, and each one says why.

Fortress Saga: Idle AFK RPGUpdated
Also idle, fantasy, combat · Same active/idle balance (leans idle)
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
F Class Adventurer: AFK RPGUpdated
Also idle, combat, fantasy · Same active/idle balance (leans idle)
Level a lowly F-rank adventurer toward S-rank with screen-clearing area skills while experience keeps piling up offline.
75% idle
Endless Frontier - RPGUpdated
Also idle, fantasy, combat · Same active/idle balance (leans idle)
Lead a squad of knights and mages up thousands of stages against titans and dragons, with units that keep climbing and leveling on their own while you are away.
75% idle
Tower Defense: Lazy ApocalypseUpdated
Also tower defense, idle, combat · Same active/idle balance (leans idle)
Play a monster-slaying streamer holding off zombie waves, upgrading weapons while your hero keeps fighting when you are away.
75% idle
Spirit Dungeons: Legacy
Also idle, fantasy, combat · Same active/idle balance (leans idle)
A defeated necromancer rebuilds an undead army and turns righteous in this tiny js13k incremental.
3.7★ galaxy75% idle
Slimeward
Also combat, 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
Zombie Idle DefenseUpdated
Also idle, tower defense, combat
Equip survivors with weapons and hold a defensive line against waves of zombies and bosses across post-apocalyptic levels.

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.

Medieval: Defense & ConquestDormant
Also tower defense, idle, combat
Build a crusader settlement's farms and trade, then spend the income on an army and walls to hold off waves of attackers.

Lootfiend: Idle DungeonsUpdated
Also idle, fantasy, combat
A dark fantasy loot RPG where your hero fights on auto-mode, rerolling gear stats, mixing skills and runes, and recruiting sidekicks.

Idle Berserker: legend of rpgUpdated
Also idle, combat, fantasy
A reborn swordsman fuels his rage to cut through enemies on the way to a black dragon, collecting gear and skills.

Shadow War: Idle RPG SurvivalUpdated
Also idle, combat, fantasy
Lead a dark knight's army through endless levels, summoning weapons and pets while auto-battle keeps resources coming.

Tailed Demon SlayerUpdated
Also idle, combat, fantasy
Power up a hero with skills, relics and skins to clear undead bosses from an occupied town.

Demigod Idle: Rise of a legendDormant
Also idle, fantasy, combat
Play a demigod stripped of angelic and demonic power, regaining it through fast idle growth and flashy 2.5D battles.

Idle Defense: Dark ForestDormant
Also tower defense, idle, fantasy
Play a banished trainee wizard who deploys turrets to hold off monsters released from a shattered seal.

Invincible: Guarding the GlobeUpdated
Also combat, idle · Same active/idle balance (leans idle)
Recruit characters from Invincible, merge clones to rank them up, and run idle battles in the background.
75% idle
Epic Stickman: RPG Idle WarUpdated
Also idle, combat · Same active/idle balance (leans idle)
Guide a stickman hero through a shadowy realm, picking a class and gaining power in automatic fights even offline.
75% idle
MapleStory : Idle RPGUpdated
Also idle, combat · Same active/idle balance (leans idle)
An idle take on MapleStory where your character battles and levels up automatically wherever you are, with companions, dungeons, and PvP.
75% idle
Trials of Heroes: Idle RPGUpdated
Also idle, fantasy · Same active/idle balance (leans idle)
Summon a hero squad that auto-battles through dungeons and towers, gathering resources for you even when you are offline.
75% idle
Rogue with the Dead: Idle RPGUpdated
Also idle, tower defense · Same active/idle balance (leans idle)
March an army 300 miles to slay the Demon Lord; troops fight automatically, and each death resets your run but makes you stronger.
has ending75% idle
Summoners Era: Idle RPG HeroesUpdated
Also idle, fantasy · Same active/idle balance (leans idle)
Summon heroes who train and level while you are AFK, then take them through campaigns, towers, arena and guild wars.
75% idle
Epic Summoners: Monsters WarUpdated
Also idle, fantasy · Same active/idle balance (leans idle)
Summon heroes who auto-battle up the Magic Ladder, collecting combat rewards even while you are offline.
75% idle
Dungeon Crusher: AFK HeroesUpdated
Also idle, combat · Same active/idle balance (leans idle)
Collect heroes who clear dungeons without you, then log in to claim loot and assemble squads for PvP and PvE rankings.
75% idle
Seven Knights Idle AdventureUpdated
Also idle, combat · Same active/idle balance (leans idle)
Assemble Seven Knights heroes into a team for 10 vs 10 auto battles that keep earning experience and gold while you are logged out.
75% idle