Games like Blacksmith - Merge Idle RPG
Blacksmith - Merge Idle RPG. These games share the most with it, and each one says why.

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

Leaf Blower Revolution
Also prestige, crafting
Blow leaves. Blow more leaves. Somehow blow leaves across multiple dimensions with a crafting system.
94% steam55% idle
PickCrafter
Also prestige, crafting
Break blocks with a growing arsenal of pickaxes, forge gear, and prestige through ascension tiers while exploring biomes up to Mars.
86% steam50% idle
Bloobs Adventure Idle
Also prestige, crafting
A RuneScape-style idle RPG with 24 linked skills, automated boss fights, soul collecting and skill prestige, plus banked offline time to spend later.
88% steam75% idle
IDLE_DIRECTIVEUpdated
Also prestige, crafting
Manage a limited grid inventory of producers and automation items while scavenging a dying world, trading with survivors, and resetting for augments.
86% steam
Pacifish
Also idle, crafting
Fish six areas, fight back against what you disturb, hatch and eat fish for stats, and craft poles, playable idly or actively for speed.
84% steam50% idle
Almost a Hero - Idle AdventureUpdated
Also idle, prestige
Lead a team of hopeless heroes through dungeons, prestiging for permanent artifacts while they fight while away.
75% idle
Apocalypse ClickerUpdated
Also idle, prestige
Build a cult tower, create monsters and summon demon gods to end the world, then prestige and do it again.

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.

Arkcraft - Idle AdventureUpdated
Also idle, crafting
Grow a castaway raft into a huge floating ark, adding rooms, docks, and defenses while the crew keeps gathering and processing materials while you are away.
75% idle
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.

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.

Crush Them All - Idle RPGUpdated
Also idle, prestige
Collect heroes and crush bosses across more than 1000 stages, ascending to new worlds and progressing while away.
75% idle
Deep Town: Mining Idle GamesDormant
Also idle, crafting
Mine resources below ground and craft them above into jewelry, chemicals, and plants, linking buildings into production chains run by bots.

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.

Doomsday IncrementalUpdated
Also idle, prestige
Tap to build and expand an underground bunker for survivors, then destroy the world again for bigger profits.
25% idle
Dungeon Dogs - Idle Hero RPGUpdated
Also idle, crafting
Lead canine rebels against a tyrant cat king, letting them battle while you are busy or joining fights live, plus building and crafting.
75% idle
Evil Factory: Idle ClickerUpdated
Also idle, prestige
Manage a factory in hell, hiring demons to collect souls, automating torture equipment, and unlocking new circles by assembling puzzle pieces.

Evil Hunter TycoonUpdated
Also idle, prestige
Rebuild a ruined town with facilities for hunters, train them against monsters, and reincarnate them to grow stronger.

ExoMiner - Idle Miner UniverseUpdated
Also idle, crafting
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
Forge MasterDormant
Also idle, crafting
Forge gear across eras from the Stone Age to the Quantum Age and battle other players on a leaderboard.

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