Games like Rune Legacy Idle
Games like Rune Legacy Idle include Melvor Idle, Mount & Blade II: Bannerlord, Potion Craft: Alchemist Simulator, Cookie Clicker, and Swords and Souls: Neverseen. We matched them by the tags players give Rune Legacy Idle on Steam (RPG, Indie, Casual, Idler, and Medieval): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: RPG · Idler · Casual

Mount & Blade II: Bannerlord
Shared: RPG · Medieval · Indie

Potion Craft: Alchemist Simulator
Shared: Indie · Medieval · 2D

Cookie Clicker
Shared: Idler · Casual · Indie

Swords and Souls: Neverseen
Shared: RPG · Indie · Idler

Stardew Valley
Shared: RPG · Indie · Multiplayer

Town of Salem
Shared: Indie · RPG · Casual

Dragon Cliff
Shared: RPG · Idler · Casual

Draw & Guess
Shared: Casual · 2D · Indie

Vampire Survivors
Shared: Indie · 2D · Casual

Liars Bar
Shared: Casual · Indie · PvP

Yes, Your Grace
Shared: Indie · RPG · Medieval

Idle Champions of the Forgotten Realms
Shared: Idler · Indie · RPG

Plebby Quest: The Crusades
Shared: Indie · Casual · RPG

Castle Crashers®
Shared: 2D · Casual · Online Co-Op

Terraria
Shared: 2D · Indie · Multiplayer

Plague Inc: Evolved
Shared: Indie · Casual · Singleplayer

Path of Idle: Old Gods Rising
Shared: RPG · Idler · Casual

Graveyard Keeper
Shared: RPG · Indie · Medieval

Firestone – Idle Clicker Online RPG
Shared: Idler · RPG · PvE

Kingdom Come: Deliverance
Shared: RPG · Medieval · Singleplayer

Reigns
Shared: Indie · Medieval · RPG

Mount & Blade: Warband
Shared: RPG · Medieval · Multiplayer

Keep on Mining!
Shared: Casual · Idler · Indie