Games like Mega Tower - Casual TD Game
Mega Tower - Casual TD Game balanced. These games share the most with it, and each one says why.

Idle Pocket PlanetUpdated
Also idle, space, merge
Combine settlements and ships on small planets to build new constructs, colonizing strange galaxies and filling a journal with artifacts.

The Tower - Idle Tower DefenseUpdated
Also tower defense, idle · Same active/idle balance (balanced)
Defend a single tower against waves, buy permanent upgrades and research while idle or active.
50% idle
Planet Smash : Idle WarsUpdated
Also idle, space · Same active/idle balance (balanced)
Destroy planets with missiles that fire on their own or with taps for speed, upgrading elemental weapons and collecting coins earned offline.
50% idle
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
Harvest King: Farm Defense TDUpdated
Also tower defense, merge · Same active/idle balance (balanced)
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
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
Merge and DigUpdated
Also merge, idle
Merge pickaxes into stronger ones and drop them onto blocks to mine resources, with rewards building while you're away.
75% idle
ExoMiner - Idle Miner UniverseUpdated
Also idle, space
Start with one small mine and a ship, then expand to other planets, crafting materials and inventing tech while miners and rovers work in your absence.
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
Goblin Miner: Tycoon GameUpdated
Also idle, merge
Merge goblins into faster workers who chop wood and mine gold, unlocking labs, runes, and new territory as your empire grows while you are away.
75% idle
Merge Car - Idle Car TycoonUpdated
Also merge, idle
Merge cars into better models and send them around a track, earning money every lap, even offline.
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
Human Evolution - Idle ClickerDormant
Also idle, space
Tap to drive life from single cells through fish, apes and humans to cyborgs and beyond, then seed evolution on other planets.
25% idle
Rocket Star: Idle Tycoon GameUpdated
Also idle, space
Run a spaceship factory, research new tech and launch rockets toward the Moon, Mars and outer planets while your staff keeps earning in your absence.
75% idle
Candy Critters: Idle MergeUpdated
Also merge, idle
Buy and merge cute critters that chew through candy blocks to uncover coins and treasure across a sugary world.
75% idle
Idle Space Farmer ManagerDormant
Also idle, space
Run an anime-styled space farm, recruiting agents from gacha pulls to fight monsters and upgrading ships across planets with prestige.
75% idle
Motoshow IdleDormant
Also merge, idle
Tap to earn, enlarge the stunt cage and merge motorcycles to draw a bigger crowd to your motor show.
25% idle
Idle Sword MasterUpdated
Also merge, idle
Merge swords and gear, evolve pets and summon fairies as a pixel-art avatar fights monsters and raids, leveling up offline too.
75% 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
Idle Farm Tycoon - Merge GameUpdated
Also idle, merge
Run a farm by merging workers, transporters and crops into stronger versions, and level up managers to boost income.
75% idle
Hot Cars IdleDormant
Also merge, idle
Build a looping race track, merge cars into faster models and tap to accelerate them past obstacles that pay out cash.
25% idle
Merge Plane Tycoon: Idle GamesDormant
Also merge, idle
Buy and merge planes into new models, managing parking and flight tracks so they earn money even while you are offline.
75% idle
Idle Horse RacingDormant
Also merge, idle
Combine ponies into faster horses, race them and add stadium items to boost coin earnings.
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