Games like The Tower - Idle Tower Defense
The Tower - Idle Tower Defense balanced. These games share the most with it, and each one says why.

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

Eternal Cannon Idle ShootingDormant
Also idle, tower defense · Same active/idle balance (balanced)
Defend a city with an upgradable cannon and walls, mixing tapping and upgrades where each level brings a new skill.
50% idle
Mega Tower - Casual TD GameUpdated
Also tower defense, idle · Same active/idle balance (balanced)
Merge and modify towers in a sci-fi tower defense that fights on its own but lets you aim manually.
50% idle
Zen Idle: Gravity MeditationUpdated
Also cards, idle · Same active/idle balance (balanced)
Upgrade physics-driven balls and stages for income, collect cards for permanent bonuses and prestige with evolving perks, playing passively or with strategy.
50% idle
Idle TCGDormant
Also incremental, idle, cards
An old-school browser incremental with a trading card theme, built to be finished over one to three days.
3.8★ galaxyhas ending
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
Keep on Mining!Updated
Also cards · Same active/idle balance (balanced)
Sweep your cursor over rocks to break them, smelt ores into bars and spend them in a large skill tree, with talent cards and an automatic mine for idle gains.
91% steam50% idle
Idle Dice 2Updated
Also cards, idle
Roll up to 25 independently upgraded dice and draw from a custom deck of unusual cards to score points and clear challenges.
81% steam
Fish Kingdoms:Idle ArenaDormant
Also idle, cards
Summon and raise anime-style fish warriors for turn-based idle card battles built around team combinations.
75% idle
Idle Kingdom DefenseDormant
Also idle, tower defense
Command heroes and archer corps in large castle-defense battles, with rewards stacking up while the game is closed.
75% idle
Rogue with the Dead: Idle RPGUpdated
Also idle, tower defense
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
Tower Defense: Lazy ApocalypseUpdated
Also tower defense, idle
Play a monster-slaying streamer holding off zombie waves, upgrading weapons while your hero keeps fighting when you are away.
75% idle
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
Cast n Chill
Also idle · Same active/idle balance (balanced)
A relaxed pixel fishing game with a dog companion where you sell catches for better gear across 16 spots, and can switch to a passive mode that fishes for you.
95% steam50% idle
Spirit Dungeons: Legacy
Also incremental, idle
A defeated necromancer rebuilds an undead army and turns righteous in this tiny js13k incremental.
3.7★ galaxy75% idle
Holoidle
Also cards, idle
Grow a Hololive streamer's influence with upgrades and a deck of collectible collab cards, placing up to six for synergy bonuses.
84% steam
Dead Spreading:Idle GameDormant
Also idle, tower defense
Recruit soldiers and upgrade a base to hold off zombie waves while balancing defense and supply gathering.

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

Geometry Tower: Idle DefenseUpdated
Also tower defense, idle
Defend a single tower against endless waves, picking roguelike upgrades each run and researching permanent boosts.

Gold and Goblins – Miner GamesUpdated
Also idle, cards
Run a goblin gold mine, merging goblins into stronger miners and boosting them with collectible cards.

Idle Baseball Manager TycoonUpdated
Also idle, cards
Build a stadium, collect baseball player cards, set your lineup, and let the team play to bring in wins and money.

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

Idle Dot Shooter!Updated
Also idle, incremental
A minimalist shooter where a turret fires on its own at drifting dots while you buy defence, drone, and economy upgrades and push into tougher galaxies.

Idle Forces - Army TycoonDormant
Also idle, incremental
Build a military base and train raw recruits into specialists for peacekeeping missions.