Tower defense incremental games
41 hand-tagged games, ranked by live Steam and Galaxy ratings.
Desktop Defender
A lone tower in the corner of your screen holds off waves while you work, dropping gear to equip and resetting runs for permanent ascension upgrades.
92% steam90% idle
The Perfect Tower II
Tower defence as an idle engine, plus factories, mining and an in-game scripting language.
87% steam60% idle
Abyss Manager 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
Zero Stress King: Idle DefenseUpdated
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
Sir, We Have an Orc ProblemUpdated
A short tower defense against orc armies in the tens of thousands, where every run, won or lost, feeds a big tree of turret upgrades.
86% steam
All Aboard! The Train Defense Express
Defend a power generator from waves of orcs with a looping train, buying combat and gold-making carriages and merging three alike to level them.
91% steam
OutholdDormant
A short tower defense run-based game where you spend collected resources in a large refundable skill tree between attempts.
4.4★ galaxy
Idle Hero TD - Tower Defense RPGUpdated
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
World of Towers VS. Cubes
Build towers and walls against waves of cubes across five worlds, mining crystals and spending loot in talent and soul trees and a workshop.
4.4★ galaxy
Desktop Tower Survivor
Your tower lives on top of your desktop and fights endless waves by itself while you work. You choose its upgrades, modules and targets, then climb harder tiers.
94% steam50% idle
Grow Defense
Level a castle's weapons and skills to hold back monsters across zones, chase rare drops from raid bosses and rebirth for permanent perks.
77% steam
Idle Monster TD: Evolved
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
castle idlerUpdated
A tower defense incremental without waves, where you place and upgrade towers against slimes and unlock a prestige skill tree across harder levels.
79% steam3.6★ galaxy
RefenceDormant
Defend a wall with chosen heroes in a roguelike idle defense, building up your castle, researching features and crafting relics.
77% steam3.4★ galaxy
Idle Monster TD
Place elemental monsters on the map to hold off endless robot waves, combining their abilities and upgrading stats between fights.
72% steam70% idle
Crystal ClickerUpdated
Defend a central crystal from waves of enemies by clicking to repair and attack, buying upgrades between runs.
25% idle
Grid Forge TD
Tower defense where you lay tetromino pieces to shape the enemy path and mount towers on them.
3.6★ galaxy
Samawa Idle
Pick and level towers against monster hordes, shaping runs with random gear, passives and a skill tree across two prestige layers.
68% steam50% idle
Boom Castle: Tower Defense TDUpdated
Hold a castle against orcs, skeletons, and demons with towers and heroes in a roguelike defense that grows stronger each run.
Combo Clash - Era WarsUpdated
Merge weapon blocks on a grid to power a hero against waves of enemies, advancing through eras from cavemen to future soldiers.
Dead Spreading:Idle GameDormant
Recruit soldiers and upgrade a base to hold off zombie waves while balancing defense and supply gathering.
Dice vs Monsters: Roguelike TDUpdated
A roguelike tower defense where each hero is a die, with dice rolls used to upgrade abilities against monster waves.
Eternal Cannon Idle ShootingDormant
Defend a city with an upgradable cannon and walls, mixing tapping and upgrades where each level brings a new skill.
50% idle
Galaxy Defense: Fortress TDUpdated
Build and combine turrets to protect Earth from aliens, picking roguelike upgrades mid-battle and powering up your character with chips.
Geometry Tower: Idle DefenseUpdated
Defend a single tower against endless waves, picking roguelike upgrades each run and researching permanent boosts.
Harvest King: Farm Defense TDUpdated
Merge vegetable defenders on rotating farm slots and manage water to fend off enemy waves, with resources building up while you are away.
50% idle
Idle Archer Tower Defense RPGUpdated
Defend a tower as a lone archer against monster waves, collecting skill cards and spending gold on permanent upgrades after each loss.
Idle Defense: Dark ForestDormant
Play a banished trainee wizard who deploys turrets to hold off monsters released from a shattered seal.
Idle Kingdom DefenseDormant
Command heroes and archer corps in large castle-defense battles, with rewards stacking up while the game is closed.
75% idle
Kitty Keep™Updated
Cat heroes defend a beach castle from sea creatures in an idle tower defense that runs on auto-battle.
Medieval: Defense & ConquestDormant
Build a crusader settlement's farms and trade, then spend the income on an army and walls to hold off waves of attackers.
Mega Tower - Casual TD GameUpdated
Merge and modify towers in a sci-fi tower defense that fights on its own but lets you aim manually.
50% idle
Merge Kingdoms - Tower DefenseUpdated
Merge and place towers against thousands of waves, unlocking prestige mode at wave 600 and a final boss at wave 1000.
has ending
Rogue with the Dead: Idle RPGUpdated
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
Slime Castle: Idle TD RTS GameUpdated
Play as a slime defending a forest castle from human invaders, gathering gear and skills and returning stronger after each defeat.
The Tower - Idle Tower DefenseUpdated
Defend a single tower against waves, buy permanent upgrades and research while idle or active.
50% idle
Tiny TowersUpdated
Defend a small fortress against waves of tiny monsters in an action-focused incremental.
25% idle
Tiny Warriors Rush - Idle TDUpdated
Pick warriors and random upgrade cards in tower-versus-tower battles, then spend winnings to level your army.
Tower Defense: Lazy ApocalypseUpdated
Play a monster-slaying streamer holding off zombie waves, upgrading weapons while your hero keeps fighting when you are away.
75% idle
Zombie Idle DefenseUpdated
Equip survivors with weapons and hold a defensive line against waves of zombies and bosses across post-apocalyptic levels.
Tower Ball - Incremental Tower DefenseDormant
Place turrets that shoot down falling balls for cash, upgrade seven tower types, and prestige to restart stronger on harder levels.
61% steam75% idle