Games like Train Miner: Idle Railway Game
Train Miner: Idle Railway Game. These games share the most with it, and each one says why.

NecroMerger - Idle Merge GameUpdated
Also merge, idle, resource management
Summon and merge undead creatures, then feed them to a growing Devourer that expands your lair and unlocks spells and stations.

Archer Forest : Idle DefenseUpdated
Also idle, merge
Defend a forest with animal archers by merging arrows into stronger ones, clearing stages, and beating bosses for loot.

Battle Royale Tycoon Idle GameDormant
Also merge, idle
Slide and merge weapon tiles on a grid to build a battle royale arsenal of hundreds of weapons.

Blacksmith - Merge Idle RPGDormant
Also merge, idle
Merge weapons into over 81 new designs, use runes to multiply gold and duplicate items, and reset for Soul Gems when progress slows.

Blade IdleUpdated
Also idle, merge
Turn a herb collector into a sword hero, clearing stages and dungeons and merging gear to power up.

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
Cat Hero : Idle RPGUpdated
Also idle, merge
A cat defends its sleeping owner's dreams, tapping to merge fish into stronger fish-missile ammo.

Dead Spreading:Idle GameDormant
Also idle, resource management
Recruit soldiers and upgrade a base to hold off zombie waves while balancing defense and supply gathering.

Dessert Factory IdleUpdated
Also idle, merge
Bake treats in a dessert factory and combine matching machines to upgrade them into ones that make fancier sweets.

Gear clickerDormant
Also idle, merge
Buy, merge and place gears to build a factory, working through levels with their own challenges.

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

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

Icy Village: Survival IdleUpdated
Also idle, resource management
Lead survivors in a frozen land, gathering wood, stone and food, assigning jobs and crafting tools to grow a campfire into a village.
75% idle
Idle Animal EvolutionDormant
Also idle, merge
Breed hybrid creatures in a lab by crossing pairs of animals.

Idle ArmyUpdated
Also merge, idle
Merge soldiers into stronger units and push through waves of drones, ninjas and tanks.

Idle Cat Gunner: Shooter RPGUpdated
Also idle, merge
Cats blast through obstacles with fused guns, and rebirthing at milestone stages speeds up growth.

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
Idle Horse RacingDormant
Also merge, idle
Combine ponies into faster horses, race them and add stadium items to boost coin earnings.
75% idle
Idle NoodleDormant
Also idle, resource management
Run a noodle restaurant, juggling staff salaries, expenses and equipment upgrades as you grow the business toward billionaire status.

Idle Orbital MarbleDormant
Also idle, merge
Send marbles around unlockable routes with physics, merging three matching balls to upgrade them.

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

Idle Survivor Fortress TycoonDormant
Also idle, resource management
Fortify a shelter in a zombie-ridden world, scavenging supplies and deciding whether to take in other survivor groups.

SwordMasterUpdated
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