Games like Forge Master
Forge Master. These games share the most with it, and each one says why.

Pacifish
Also idle, crafting, combat
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
Idle Breaker: Zombie SurvivalUpdated
Also idle, combat, crafting
Smash through buildings for materials in a zombie wasteland and craft stronger weapons to defend your shelter.

Last Stronghold: Idle SurvivalUpdated
Also idle, crafting, combat
Build a base after a nuclear zombie outbreak, crafting supplies, recruiting survivors and clearing out the undead.

Milky Way Idle
Also mmo, crafting, combat
A multiplayer RPG with RuneScape-style gathering, production, and combat skills, repeating actions automatically, plus a player market and chat.
3.7★ galaxy70% idle
Idle Atomic
Also crafting, combat, idle
An idle RPG set in a post-apocalyptic wasteland: fight mutants, salvage scrap, refine it into materials and craft permanent upgrades, spells and companions.
61% steam
Lootun
Also crafting, combat
Send up to three adventurers into dungeons while you salvage, craft and enchant their loot, choosing from four classes with ascendancies.
94% steam50% idle
修仙小屋
Also mmo, idle
A multiplayer text-based cultivation idler built for chatting at work, with gear, training maps, a cave dwelling and a player market.
92% steam
Progress Game
Also combat, crafting
Fight monsters, gather materials and cook, then craft three tiers of gear across two worlds. Built to run in the background while you check in for quick upgrades.
92% steam70% idle
Marisa!ReturnTheBook!
Also idle, combat
A Touhou fan game where you craft Shanghai dolls styled after Gensokyo characters to storm Marisa's house and recover her borrowed books.
90% steam
Idle ClansUpdated
Also mmo, crafting
A multiplayer idle RPG where you pick a task and your character trains around 20 skills even while you are offline, with a player economy and clans.
74% steam75% idle
The Climb - Demo
Also crafting, combat
Demo of an incremental RPG about climbing a monster-filled tower, with crafting, growing equipment, enchant cards, quests, and automatic combat.
4.5★ galaxy50% idle
Slimeward
Also combat, idle
Turn a slime that landed outside your house into resources, building up a village and recruiting heroes strong enough to beat it.
89% steam
Farm RPGDormant
Also mmo, crafting
A menu-based farming MMO where you grow crops, fish, craft and explore, trading and teaming up with other players.
88% steam
Scapewatch: Idle MMO
Also mmo, idle
Queue tasks across 30 skills, close the tab, and your character keeps gathering, fighting and training offline. Clans, raids and hiscores round out the grind.
86% steam75% idle
Dungeon Team
Also mmo, combat
Build squads of ASCII-drawn heroes from 11 classes and 8 skill trees, send them on an idle dungeon crawl, and fight other players in live or async arenas.
88% steam
Idle FOOTBALLUpdated
Also idle, mmo
Tap to earn cash, recruit and train players, and field your team against others online.
25% idle
Alien Invasion: RPG Idle SpaceUpdated
Also combat, idle
Guide an alien that eats humans to grow stronger, evolve its abilities and beat bosses in new locations.

Invincible: Guarding the GlobeUpdated
Also combat, idle
Recruit characters from Invincible, merge clones to rank them up, and run idle battles in the background.
75% idle
Gun IdleUpdated
Also idle, combat
Own a shooting range where you unlock dozens of guns, blast breakable targets and stack earnings multipliers into the trillions.

Ulala: Idle AdventureUpdated
Also idle, mmo
Join a social Stone Age MMORPG where your character and pets level up automatically while you team up with friends.

Street Fighter Duel - Idle RPGUpdated
Also idle, combat
Recruit famous Street Fighter characters into a team that keeps getting stronger while you are away.

Epic Stickman: RPG Idle WarUpdated
Also idle, combat
Guide a stickman hero through a shadowy realm, picking a class and gaining power in automatic fights even offline.
75% idle
Little Farm Story: Idle TycoonUpdated
Also idle, crafting
Grow crops, open workshops and craft goods for customers on a farm that expands through a story.

Hero Making Tycoon Idle GamesDormant
Also idle, combat
Mass produce potato men on a factory line, arm them into soldiers and send them against huge bosses.